2013年9月28日星期六

Market diversification initial victory JA Solar counterattack

Throughout the solar Photovoltaic Panels industry trough, JA price once fell below $ 1, facing the danger of being delisted. Not self-revolution is no way out, JA management innovation in the internal set off a storm, by the development of new technologies, the development of emerging markets, and control of financial risk to become an industry leader, will upgrade to the current price of $ 8 or more.

Change the world energy map was Chinese solar PV industry giants dream, but in 2011 began the second half cold wave struck them by surprise, a new vision of limitless energy revolution process marked by a "pause."

Layoffs, bankruptcy, delisting enveloped the Chinese solar PV industry, the majority of small and medium enterprises are in photovoltaic production or semi-shutdown state. How to find a sustainable development of the solar photovoltaic industry way of existence?

Winter in the industry and the EU "double reverse" investigation under the shadow of JA contrarian growth, the industry's Star of Hope. This year, a quarterly gross margin of 6%, compared with -4.6% in the fourth quarter increased by 10 percentage points. In a quarterly publication of the next day, JA Solar shares rose 70 percent, and led the entire solar sector rebounded sharply, which undoubtedly is in winter in the photovoltaic industry add a fire.

2012, JA and where the Crystal Dragon Group sales revenue of 19.5 billion yuan, net profit of 168 million yuan the whole group. According to Solarbuzz research report, 2012 JA module shipments ranked eighth in the world, compared with 2011 increased substantially by 7, to become the world leader in the fastest-growing component.

The same was in the industry cliff JA, why can achieve contrarian growth?

JA share price had fallen to less than $ faced delisting cliff, has been focusing on photovoltaic solar module industry and JA started by semiconductor silicon crystal dragon Group's parent company did not retreat, the future of the solar photovoltaic industry is their biggest bets . Instead, the harsh environment of outer Forced JA carried out a management revolution, the core technology, emerging markets, financial management to be effective.

According to public information, JA 2010 shipments of 1.46GW, 2011 Linden 1.69GW, 2012 is expected 1.7GW. According to IMS and Solarbuzz research institutions and other international authoritative industry research report, JA 2010 and 2011, global production of crystalline silicon solar cells ranked first, in 2012 the global top two. At the same time, JA has been successfully realized main business components from the battery to the transformation of 2012 assembly shipments accounted for 55% of total shipments.

Wenduo photoelectric conversion rate of technological innovation champion

EU's "double reverse" investigation after the settlement, JA parent Crystal Dragon Group Executive Vice President Guer Ying said with deep feeling, China's photovoltaic products in the EU market, the selling price is around € 0.52 per watt. Under the agreement, the minimum price increased to € 0.56 per watt, the price advantage is obvious, you want to keep the market, expand the market, we must rely on the quality and technical victory, the same product, you must have a higher photoelectric conversion rates.

JA photoelectric conversion rate is to defeat the enemy killer.

August 1, JA announced that the company developed polycrystalline silicon solar cell conversion efficiency of entrepreneurial circles new record, up 18.3 percent, higher than the industry average conversion efficiency improved by one percentage point absolute value, costs can be reduced by 5% to 7%.

JA JA CTO Yong technology for confident, solar photovoltaic cells is JA's traditional strengths, high technology content. With the exception of the United States SUNPOWERD back electrode battery technology and low magnification converging technologies, and Sanyo's HIT technology, JA is a global technology leader. The first two techniques are costly, can not see the prospect of decline. JA successfully developed a number of cutting-edge technology industry, including two printing technology, Cypress technology, Hirohide technology, times show technology, MWT technology and black silicon technology, has applied for 147 patents, of which 63 have been obtained national patent Board authorized.

JA adhere to introduce new products and maintain the photoelectric conversion rate leading level, even in the most difficult times always maintain R & D spending this year in order to ensure competitive products, investing $ 120 million grant to upgrade the product. Currently, JA Solar Cell Research Center developed two polymorphic techniques optical conversion rate more than 18%, three kinds of single silicon photovoltaic technology more than 20% conversion rate. Which has two technology products onto the production line. And most of the enterprises producing monocrystalline silicon solar cells and solar cell conversion efficiency has to remain at about 17.3% and 18.5% respectively.

Yong emphasize a key word is "cost of electricity" and reduce the "cost of electricity" mainly by advances in technology, economies of scale and lower raw material costs. PV industry now has a relatively overcapacity scale unsustainable, raw materials prices have dropped sharply after space has been very small, so the future depends mainly on space technology. JA has maintained a more than six months with the industry-leading strengths, and have sufficient technical reserves. Throughout the solar component, equipment installation costs accounted for 50%, the new technology will not only greatly increase the amount of power per square meter, but also effectively reduces installation costs per watt.

Technology revolution behind the management of innovation. In JA organizational structure, both production and R & D departments are Yong's CTO, in addition to have a dedicated R & D department and the team, in order to form a mass rapid technological production capacity in line at each production base with R & D personnel, production base is equivalent to the production line process R & D department personnel to optimize product performance, allowing seamless integration technologies and products.


Meanwhile, JA with the world's leading suppliers of joint development of technology, because JA solar cell technology is always in the leading level, many suppliers can not meet the requirements. On the basis of the resource sharing, through collaborative research, JA silicon solar cell technology in high-performance, low-cost thin-film solar cell technology and third-generation high efficiency solar cells, and many other aspects of exploration and research breakthroughs in key technologies related the formation of independent intellectual property rights, and the industrialization of research results. At the same time, JA and T? V NEG Company, INTERTEK Intertek Group, the world's most prestigious independent third-party authority to carry out strategic cooperation. JA also with the U.S. Department of Energy's National Renewable Energy Laboratory and other international and domestic leading research institutions and research institutes to establish a broad, in-depth strategic partnership.

7GW component exports to the EU quota allocation scheme upcoming second round off the set


"But about 10% of the allocation scheme is still under discussion." Zhejiang, a photovoltaic company executives have said that for 10% of the quota, more intense competition for small businesses.

In fact, due to the implementation of the price undertaking negotiations by the end of 2015, the distribution scheme settled, means that enterprises can get two and a half export quota equivalent. Data also show that the first half of this year, the European installed capacity of 5.13GW, Chinese shipments to Europe 4.3GW, the second half of the remaining amount only 2.7GW.

"But now we have not exhausted the quota, because the current EU market downturn, € 0.56 / W in price, compared to Taiwan, Malaysia PV modules no advantage." Disclose the Zhejiang photovoltaic business executives.

In the above executives view, partly quota, is the original six, July If we can not export clearance part, but of less. "The extensive use of quotas may have to wait until October to go until the European inventory of 7788."

In this case, before the photovoltaic industry is worried about reselling quota has not happened yet, the executive said: "The risk is relatively large reselling them, fear of blame, no one wanted to become the industry's first accused person."

She Haifeng agrees: "reselling is not allowed on this one card CCCME very strict."

On the other hand, weak demand in the European Union under the influence after June this year, Chinese companies began a sharp decline in exports to the EU, China Photovoltaic Industry Alliance Secretary Wang Bo in September 17 Japan-China Energy Cooperation Forum A revealed that Chinese solar cell exports to Europe monthly decline in the proportion of 1-July export proportion has dropped to below 50%.

"We also went to some business surveys, now, although production is still not changed, but some companies that received orders from Europe decreased significantly." Minsheng Securities chief analyst of new energy power equipment Wang Haisheng said.

He explained that because of reduced orders behind the PV plant yields fell badly, Europe began to slow down or even abandon large-scale power plant construction; small rooftop projects although there are 7% of the basic rate of return, but widely distributed, must take the distribution channel, because it is not securitized, nor loans, some companies feel do can not do, "do no meaning."


Provided by the Ministry of Industry data show that the first half of 2013 exports of Photovoltaic Panels 8.3GW, essentially flat with 2012. The fundamental reason is that the growth of the Asia-Pacific and African markets to offset the decline of the EU market.

2013年9月27日星期五

Electronic Tattoo: goodbye with bulky medical equipment

Hey, remember when they played the kind of simple good-looking temporary tattoo stickers do ? Simply favorite designs cut down, and then dipped in water, can be in any part of the body "Indian " to sell other small partners envy of " work of art ."
[ Technology ] electronic tattoo : goodbye with bulky medical equipment

Human preferences tattoos long time, as far as can be traced back to primitive times . About the causes of tattoos , there are a variety of claims . In ancient times, tattoos in addition to beautifying the body , to frighten the enemy , highlighting the cultural role, even for adults to have sex right kind of symbol symbol.To learn more please visit: http://www.solarpanelcellonline.com/

However, the University of Illinois in the United States , John Professor Rogers eyes, tattoo of value should have more room for imagination . In recent years, Rogers and his research team has been committed to the development of ultra-thin , flexible electronics , and their latest research results is the ability to accurately measure a person's body temperature , you can also monitor the flow of heat and skin vasoconstriction expansion etc. electronic Tattoo (electronic tattoo).

"We want to reshape and redefine electronics equipment, so they look and people to be more ' seamless ' such as this electronic tattoo looks like human skin surface ." Rogers said , electronic tattoo monitoring information for people with heart friends vascular disease is very important.
[ Technology ] electronic tattoo : goodbye with bulky medical equipment

The electronic tattoo modified by a special joint made ​​of silicon and other materials , and its golden wavy pattern is actually a miniature sensors. Sensor thickness of less than 50 microns , is mounted in a water-soluble plastic ( 10875 , 105.00 , 0.97% ) on . Since the sensor surface of the polyester layer between the skin and the human body has a weak adhesive force, so thin electronic tattoo simply "over " the water, can be a good fit to the skin. Either you free to move, compression and tension , electronic tattoo will not break.

Although electronic tattoo thickness less than 50 microns ( diameter than a human hair thinner ) , but the mini figure was " hidden universe " , which contains an antenna used to transmit data and a tiny solar cell manufacturers or a small coil ( can be placed near the induction coil electrical power ) .
[ Technology ] electronic tattoo : goodbye with bulky medical equipment


Compared to conventional temperature measuring instruments , electronic tattoo biggest feature is close to human skin, a long time accurate monitoring of body temperature for 24 hours . By increasing the voltage to the tattoo , it can transfer energy to the skin of the user , a certain treatment. Rogers previous studies , this has been used to measure electronic tattoo human leg , heart and brain waves. Surprisingly, the results showed that : Electronic Tattoo and traditional method of measuring radio as good .

Domestic component in Europe, "not to be seen" "reselling quota" or into a new "business"

We have taken in the transfer market, develop strategies for emerging markets , to be alert to a new round of price wars

Although the EU PV negotiated peace settlement , but PV companies in the European market is still better than a day . Yesterday, the domestic photovoltaic companies in the acceptance of "International Finance " reporters frankly, € 0.56 / watt agreement prices have started to affect their orders in the European market .

" Although there is no specific statistical data out, but reduced orders for sure ." Yingli Green Energy Holding Company Limited media spokesman Wang Zhixin told reporters after the company estimates it has done , the agreement will make the price from the previous 63 European orders % to 43%.

Sharp drop in orders

For Chinese PV speaking, Europe is a very important market , Chinese photovoltaic products exports to the EU accounted for the highest proportion of total shipments above 90%.

Because of this , the EU "double reverse" great harm , after several rounds of negotiations , the EU finally agreed to cancel the "dual" , but the Chinese side must sign the " price guarantee " agreement in exchange . Following consultations , the Chinese side gives the lowest price commitment is 0.56 euro / watt china solar panel exports to the EU no more than 7GW. This agreement into force on August 6 .

" Customers do the original investment model is based on less than € 0.56 / W to do, and now suddenly rising costs , resulting in some customers had originally planned photovoltaic power plant projects canceled midway ." Phono Solar Yuan Quan told reporters .

Wang Zhixin also told reporters that before the Chinese PV products than the price of 0.56 euros / watt protocol lowest lot , which is competitive, but , now implementing € 0.56 / watt minimum price equal to the most competitive Chinese products in addition to the cut , many customers can not accept the current high prices, orders will be reduced . " The company expects this year's European shipments fell 20 percent ."

Up to now , a total of 94 Chinese PV companies gained exports to the EU quota . For these quotas how points, before China CCCME released " exports to the EU PV product prices commitment to implement measures" show , will take " 631 " quota allocation scheme , 60% of export quotas in accordance with the proportion remaining 30% and 10% , respectively, assigned to vigorously defend and small enterprises .

But industry experts expressed concern for this allocation : in this context, will breed reselling quota bad phenomenon .

How to deal with

From the EU's " double reverse " Start with a keen sense of smell PV companies have begun to change the strategic layout to minimize damage.

Yuan Quan told reporters , Hui Lun has begun before the focus back to the domestic market , while concerned about South Africa , South America, Southeast Asia and other emerging markets , reducing dependence on the European market . "Meanwhile, we are trying to model innovation, seeking and non- traditional channels of cooperation may PV ." Yuan -chuan .

And Yuhui Solar chose outsourcing . "In the past few years, we also like other companies , continue to invest and build factories , but now the company began to focus on limited resources and channel development and brand building , in the manufacturing, we will take the way overseas foundry . " Yuhui solar regulator founder and CEO Li Xianshou told reporters that at present , Yu -hui in the world has more than 40 foundries , assembly areas to produce their own half and half foundry , while 80% regard cell overseas foundry.


" Companies must adopt effective strategies , otherwise, would become long-term trend of reduced orders ." Said PV companies have also reminded all of us to take the transfer market, develop strategies for emerging markets , to be alert to a new round of price wars .

2013年9月26日星期四

Sunshine Power: Inverters PV power plant EPC exports and become a new growth point

PV power plant EPC become a new growth point, optimistic about its sustainability ; this year 's new PV power plant system integration business in the first half revenue 266 million yuan , 600 million yuan annual target to become the new company's revenue and profit growth point ;
    We believe that companies with substantial cash in hand , cash sine wave inverter business good manufacturing capabilities, as well as management and Gansu, Anhui and other places of good government relations, participation in domestic photovoltaic power plant development business of private enterprises has certain advantages, recently the company and Anhui , Xinjiang and other places of power plant development agreement signed also to some extent to the new business continuity is ensured.
    Inverter business to maintain rapid growth , gross margins continue to stabilize the export breakthrough ;
    Company after deducting EPC business revenue growth of 26 %, including photovoltaic inverter revenue growth of 24% , taking into account the product price fell by nearly 30% , so the actual inverter sales remained relatively rapid growth in the fierce domestic market competition , the company's market share remained good ; half gross margin of 30.1% inverter with flat second half of 2012 , continued to show signs of stabilization stabilized ; we believe that , although the market remains competitive , but with the domestic PV Power market matures, the core competitiveness of inverter products from the price factor will gradually transition to product quality , product gross margin is expected to remain stable or even picked up ;
    Notably , the company in the first half of overseas sales revenue reached 77.32 million yuan , an increase of 230% , mainly photovoltaic inverter exports ; We believe that with the growth of domestic capacity , the company as the first brand in China Inverter , product quality and stability is expected to gradually gain recognition overseas customers , the future is expected to gradually increase the proportion of export sales ;
    Earnings adjustment
    We are the company 's latest earnings forecast for the 2013 ~ 2015E EPS respectively , 0.53,0.74,0.96 yuan ( which in 2013/14 compared with the previous forecasts by 8% and 5% ) , the next two years net profit CAGR 34 % .
    Investment advice

    Company as the first PV inverter market share of the enterprise, is the sector to benefit Chinese government launched the PV domestic policy-oriented subject of one of the most straightforward ; Companies leading position stable, steady rise of profitability , new business and overseas markets the breakthrough, optimistic about the company 's continuing growth , maintaining a "buy " rating.

China South Locomotive new PV inverter performance reached the international advanced level

China South Locomotive and its "CSR Zhuzhou Electric Locomotive Research Institute Co., Ltd." (referred to as China CSR Zhuzhou) developed 500 kilowatts of new PV inverters, photovoltaic power plant in Qinghai Plateau successfully installed a grid. The company can meet the large-scale photovoltaic products photovoltaic power plant complex requirements of grid access conditions, with volume production conditions.

     It is understood that the success of the new solar grid tie inverter 500 kilowatts and 500 kilowatts inverters compared to the original, the whole cost of significantly reducing the volume reduced 20% conversion efficiency, longer life, in the system harmonics, applied voltage range, active and reactive power adjustable, adaptive grid phase sequence, night SVG reactive power compensation and other key performance indicators are better than similar products, the indicators in full compliance with the national grid and the Golden Sun certification standards , the overall performance of the advanced level of similar foreign products.

     PV inverter solar photovoltaic power plant is one of the core equipment for the "Solar's core." In the solar photovoltaic systems, solar cell modules is converted to DC power through energy through photovoltaic inverter power conversion and control system of direct current into line with the requirements of AC power quality. Achieve "orthogonal transformation function," while maximize solar cell performance and system protection.


     China's photovoltaic inverter, especially high-power photovoltaic inverter in its infancy, foundation is weak. China CSR Zhuzhou, China Converter Technology National Engineering Research Center of the only support unit. Companies to enter the photovoltaic field four years ago, has been independently developed ranging from 50 kW to 1 MW power level of more than 10 kinds of PV inverter and related facilities, becoming one of the few domestic product spectrum series, complete one of the enterprise .

2013年9月25日星期三

Able to bid on new energy grid power plant 50MW integrated inverter room, combiner box

September 10, 2013 on New Energy Co., Ltd. Wuxi from nine well-known domestic enterprises PV inverter to the fore, in one fell swoop was Huaneng Gansu Energy Development Co., a 50MWp grid-connected PV inverter integrated engineering room, Combiner Box procurement tender contracts. It is reported that on New Energy Co., Ltd. Wuxi exclusively in one of the project was the first 50MW Contract and tenders integrated PV inverter room, combiner box procurement contracts.

Huaneng Jinchang western slope of a 50MW photovoltaic power plant project is located in the western slope of Jinchang Jinchuan District photovoltaic park from Jinchang linear distance of about 10km, from Hexi Town 35km, site elevation between the 1450 ~ 1600m. Project area is flat, stable solar energy resources, development and utilization of favorable conditions; outbound traffic with county road and Highway 212, State Road 312 connected to transportation is convenient.


Huaneng Jinchang Guang-volt power plant planned total installed capacity of 100MW, of two construction. An engineering, construction period six months, the proposed mounting bracket installation type, choose 300Wp / block polycrystalline silicon modules, using 35KV, 110KV two step approach and ultimately by the 110KV substation power delivery outlet a complete back. Integrated inverter room, combiner box Contract / tenders require suppliers to adopt 1MW photovoltaic grid-level box-type wind inverter room 25 sets of 16 back lightning protection combiner box 350.

Solid Dulwich complete PV plant installation work farm in Denmark

Jiangsu solid Dulwich recently announced that it has successfully completed the Danish farm inverter charger PV power plant installation and commissioning work. This group of power is 10kW, 15kW and 17kW three-phase inverter dual farm in Denmark last month delivered its applicability and installing flexible features, which greatly simplifies the installation steps for customers to save time and labor costs. At present, the plant has started to generate electricity.

         Danish PV market has experienced exponential growth in the past, but in 2012 the government change its policy so that this growth ceased abruptly. Nevertheless, the European Photovoltaic Association (EPIA) that the Danish market is still initiates a new growth momentum. In this context, the solid Dulwich farm power plant inverter supply project in this period will be one of the few success stories. The power plant will save the farm money, reduce carbon emissions play a significant role, but also for nearby residents reinforcement electricity protection.

         Solid Dulwich is a rapid development of new energy high-tech enterprise, has been focused on solar PV inverter R & D, production and sales. The company has developed and produced a single-phase single SS, DS single-phase dual, DT-phase dual, DI high frequency isolation, ES-way storage, JP Japanese models, MT centralized seven series PV inverter products power coverage 1.5kW to 500kW.


         Solid Dulwich GW4000-SS PHOTON inverter passed stringent tests, won the "double A" rating, ranking 4kW first. Company at this stage PV inverter capacity 1000MW / year will soon be expanded to 3000MW / years.

2013年9月24日星期二

Oil is not the only energy cooperation

A Hanas related to International Business Daily reporter who revealed that in 2012 , the Arab countries , exports to China more than 1000 tons of liquefied natural gas , liquefied natural gas imports from China accounted for nearly 70%. Hanas and the Arab countries in strengthening oil and gas, solar energy, wind inverter are intent on cooperation , has conducted a preliminary investigation for several months , is expected late this year or early next year there will be implementation of the project .

The Kanas who also expressed his concern: " the investment environment in the soft environment is also very important , the Arab country's political environment and cultural customs to cooperate with one of our concerns , fear like Sany Heavy Industry ( 600031 , stock it ) investment Oregon wind project as acclimatized . " he also suggested that Arab countries Ningxia, China's comparative lack of understanding of energy companies , cooperation needs to be deepened . But he also said , I believe this will be the soft environment such as the Arab Expo exhibition to promote the national level gradually improved.

ZPEGC Ningxia Power Project Preparatory Office assistant general manager told the International Business Daily reporter Zhang Qi cite , Zhejiang Energy Group raw coal based power generation , but the past four years has embarked on wind power , solar energy projects . "The new energy is the future trend of development , but its development by the geographical environment, financial constraints are more enterprises to invest in when the first thing to consider is the rate of return , the high cost of so many companies on the development of new energy prohibitive ." Zhang Qi cite representation .

Speaking cooperation with Arab countries , Zhang Qi cite feeling some not start. He said: " Zhejiang Energy Group is interested in cooperation , but we do not know enough of the Arab countries , have yet to find cooperation projects ." He wants the state to give businesses guide investment in the hope that the future of energy in A Fair to host professional development organization more Arab exhibitors, this show is still the majority of Chinese enterprises in the exhibition.

New ways to solve the overcapacity

Former director of the National Energy Board , the National Energy Commission Expert Advisory Committee Director Zhang said that China 's total energy consumption throughout the year 2012 was 36.2 million tons of coal , an increase of 3.9% over last year , has become the world's largest energy producer and consumer. " Energy demand in developed countries is basically saturated , in the future China is new major energy demand for the country ." He said that the Arab countries, while rich in oil and gas reserves , but in recent years a growing interest for new energy , 60 per cent of its oil and gas resources for export in exchange for wealth this is the new energy -Arab cooperation opportunities lie .

This year , the Chinese PV industry good news continued , key enterprises gross profit margin increased by 10%. However, the annual world market for PV demand is only 35GW, while the Chinese PV production capacity has far exceeded 40GW. These how to deal with excess capacity ?

China Photovoltaic Industry Alliance Secretary Wang Bo proposed, the PV industry needs to accelerate the launch of domestic PV market , digestion batch production ; promote corporate mergers and acquisitions , integration of a number of production capacity ; strengthen sector management , eliminate a number of production capacity ; continue to implement the "going out" , transfer batch production capacity.


Tianjin Electric Drive Design and Research Institute Co., Ltd. R & D Center photovoltaic products to the international sales manager Zhang Ting Chinese Commercial News reporters Zhan Shi and Le Yikuan PV inverter , head , style, and almost three-door refrigerator is designed for the European market . Zhang Ting , and now the European middle-class families that are installed PV inverter, which can save energy , so long as the per kilowatt about 1 yuan , while the market supply is required per kilowatt 3 yuan . The PV inverter each priced at more than ten million yuan, the company so far this year they sold a few hundred units. "But China has no application to this product . Storage is the future development of photovoltaic industry trends , interest rates will gradually rise ." Zhang Ting expressed .

From the "bazaar" to the professional exhibition

A five-day fair in September 19 was closed. As China - Arab Economic Forum, an upgraded version - First China-Arab Expo gratifying results , but also a great room for improvement .

About Yinchuan International Convention and Exhibition Centre , will see several big white tent , from China , the Arab countries and African countries featured products selling fun. Iranian carpets, Turkish dried fruits, handmade bronze Pakistan , Uganda, tambourine , China 's tea silk ...... customers to select a bizarre colored merchandise. This scene reminiscent of the "Arabian Nights" stories depicting Arab bazaar , imagine years ago on the Silk Road between China and the Arab countries business dealings .

Fair like a Grand Bazaar ( market ) . "I think the show of little help to us ." Tianjin Electric Drive Design and Research Institute Co., Ltd. R & D Center upright photovoltaic products sales manager Zhang Yan . His company producing photovoltaic dc to ac inverter , the expectation at the show with peers exchange, but to the future only to find there is more like a " hodgepodge " and no PV industry professional exhibition, visitors to focus exclusively on photovoltaic products are less , reach the purpose of communication .

Beijing HRH Media Group stage director Cui Anming of Hanas New Energy Holdings Group designed the booth . He felt that the show is still much room for improvement . "For example, when we were asked to patrol hall wearing a logo, but we still do not know the next day wear , the result is some trouble ." Cui Anming proposal , the organization shall promptly notify the attention , while the venue operations should improve efficiency. "The show is a good platform, but need to think about how to make better use of this platform should be targeted to attract audiences ." Cuian Ming believes that this exhibition can suddenly catch the eye of the little things .

Zhejiang Energy Group to build the project in Ningxia power cite Department assistant general manager Zhang Qi also expressed his disappointment : "We are currently in the Arab countries are poorly understood , although investment interest , but no direction with the show originally wanted to know some Arab counterparts , but came after the discovery , energy companies from Arab countries is very small , basically these are China 's enterprises in the exhibition . " Zhang Qi energy cite proposed to hold a special exhibition.

It seems , from the Bazaar to mature professional exhibition, in A Fair is still a long way to go.To learn more please visit: http://www.sungoldpower.com/

Although there are many shortcomings, but as the first session of the Sino-Arab Expo , the results are still impressive . Expo project signing ceremony, trade and economic activities of 158 contracted projects , the contract amount 259.901 billion yuan . This figure exceeds the previous three sessions of Arab Economic Forum 's total contract amount , bilateral economic and trade become a milestone in the development process .

2013年9月22日星期日

PV inverter market center of gravity eastward shipments fell for the first time in seven quarters

According to the professional industry research firm IHS latest research report that the European market by the negative impact of declining demand , the second quarter of 2013 , the global solar grid tie inverter shipments fell 5 percent , to 8.3GW-- since the third quarter of 2011 the first decline since . According to the report, " 2013 Global PV inverter market," the report said , given the market focus gradually move to a cheaper markets in Asia and Europe, the market price erosion in the second quarter , the global PV inverter shipments MoM fell 10 % to 8.3GW. Decline in shipments in the second quarter and the price of the common causes PV inverter revenue fell 18% to $ 1.6 billion .

PV senior market analyst at IHS Cormac Gilligan said: "Germany, Italy, the European key markets such shipments inverter cuts out faster than expected, some of these countries this year, the inverter market will exceed 70 percent reduction ."

" Part of the inverter suppliers have been very dependent on traditional large-scale market, but now vendors are deploying inverter new markets to expand in China , the United States , Japan and India, such high- growth countries in market share ."

Golden Sun Project boost Chinese market

IHS said the second quarter, the China market inverter shipments increased significantly , reaching 2GW.IHS said Golden Sun projects driven by Chinese manufacturers rush to complete the project construction

Gilligan said: "Although the second quarter, China sine wave inverter shipments nearly tripled , but the Chinese market is still mainly dominated by local suppliers , although a sizable market , but for overseas suppliers , the Chinese market is still challenging In addition, China inverter prices fell 14 percent , as low as $ 0.07 per watt

European market, " Losing country"

With the market focus moved to the East , the European inverter market gradually , " eclipsed ." Second quarter of 2013 , only three European Inverter Suppliers supplier among the world's top ten ( ranked by market share ) , compared to half of the country last year .

Gilligan said: " for the individual PV inverter market certification delays , declining sales and open up new barriers to market both the inverter supplier to Europe pose a serious challenge Furthermore , Chinese suppliers of these markets to compete foreign competitors and market inverter is increasing prices will further exacerbate the decline in sales . "

EMEA market demand reduction

According to the report revealed that the first half of 2013 , Europe, Middle East and Africa (EMEA) region of the PV inverter shipments 10GW compared to the same period last year dropped over 40% , to 6GW. IHS said the global average price of regular inverter was sustained downward trend . Compared to the first quarter , second quarter, prices fell 10% , mainly due to the Asian market and the gradual decline in the cost of mature solar market price erosion . Based on this, in the second quarter , the global inverter sector revenue fell 18% to $ 1.6 billion .

Given prices, the European market most costly . The second quarter, sales declined in Europe inverter sector over 50 percentage points , of which Germany, Italy fell more than 60 percent of these markets .

Outlook

According to IHS forecasts, 2013 in the second half , the inverter shipments will grow significantly , annual shipments expected to reach 34.5GW. In addition, the vast majority of the inverter demand from the U.S. and Asia will remain , which is that there is no foundation in the American market pressure inverter suppliers .


IHS said that given the market focus shifted , is expected in 2013 Inverter suppliers ( in particular Sungrow, Omron, Tabuchi and TMEIC kind of Chinese and Japanese companies ) market share increased significantly , by contrast, the market share of European suppliers continued to cut .

The CVCF inverter waveform control technology design

In power electronic devices to CVCF power inverter as the core of UPS has been widely applied , its output waveform major technical requirements include low steady-state total harmonic distortion (THD) and fast dynamic response , since non- linear load , PWM modulation process dead and inverter system itself weakly damped and other factors, using the general closed-loop PWM control is not ideal. In this paper, the United States produced by TI TMS320F240DSP for the control chip, using repetitive control system to improve steady-state performance with the introduction of integral control pole configuration to improve the dynamic characteristics of the system , the experimental results show that the scheme can simultaneously achieve high quality of homeostasis and dynamic characteristics.

Repeat controller design

The basic idea of ​​repetitive control from control theory internal model principle , that if you want the control system of a reference instruction to achieve no static error tracking , then the instruction that generated the reference model must be included in the stable closed-loop control system internally.

P (z) is the inverter input and output of the discrete transfer function , is the system control object. Inverter switching frequency than the natural frequency of the LC filter is much higher , the dynamic characteristics determined primarily by the LC filter , obtained by establishing state equation P (z). In this system , L = 0.88mH, C = 60μF, inductor series resistance of 0.4Ω, the switching frequency and the sampling frequency is 10KHz, deduced discrete transfer function is:

Notch filter S1 (z) is mainly used for cancellation of the dc to ac power inverter resonant peak , a second order filter S2 (z) mainly provides high frequency attenuation. Zk links lead compensation filter S (z) and the control target P (z) the total phase lag , Kr is a duplicate control gain . Compensator C (z) to achieve the purpose of the object to the corrected low frequency gain close to 1 , as soon as the high frequency gain is reduced to -26dB or less, and the system in the low frequency band prior to the passage of the total phase shift as small as possible . Take Kr = 0.9, zk = z5, to C (z) P (z) of the Bode diagram in Figure 3 , can be designed to meet that requirement.

Prior to the passage on the concatenation of the control cycle latency links zN action delayed one cycle , which is the period of the detected error information in the next cycle began to affect the amount of control . Aspects of the introduction of cycle delay is mainly due to the system contains advanced aspects zk, if this system is to be able to physically realize , there must be a delay links pole placement


Repeat inverter control effectively improve steady-state performance , but poor dynamic response . In fact, the natural dynamic characteristics of the inverter good reason

2013年9月21日星期六

PV inverter market center of gravity eastward shipments fell for the first time in seven quarters

According to the professional industry research firm IHS latest research report that the European market by the negative impact of declining demand , the second quarter of 2013 , the global solar inverter shipments fell 5 percent , to 8.3GW-- since the third quarter of 2011 the first decline since . According to the report, " 2013 Global PV inverter market," the report said , given the market focus gradually move to a cheaper markets in Asia and Europe, the market price erosion in the second quarter , the global PV inverter shipments MoM fell 10 % to 8.3GW. Decline in shipments in the second quarter and the price of the common causes PV inverter revenue fell 18% to $ 1.6 billion .

PV senior market analyst at IHS Cormac Gilligan said: "Germany, Italy, the European key markets such shipments inverter cuts out faster than expected, some of these countries this year, the inverter market will exceed 70 percent reduction ."

" Part of the inverter suppliers have been very dependent on traditional large-scale market, but now vendors are deploying inverter new markets to expand in China , the United States , Japan and India, such high- growth countries in market share ."

Golden Sun Project boost Chinese market

IHS said the second quarter, the China market inverter shipments increased significantly , reaching 2GW.IHS said Golden Sun projects driven by Chinese manufacturers rush to complete the project construction

Gilligan said: "Although the second quarter, China inverter shipments nearly tripled , but the Chinese market is still mainly dominated by local suppliers , although a sizable market , but for overseas suppliers , the Chinese market is still challenging In addition, China wind turbine inverter prices fell 14 percent , as low as $ 0.07 per watt

European market, " Losing country"

With the market focus moved to the East , the European inverter market gradually , " eclipsed ." Second quarter of 2013 , only three European Inverter Suppliers supplier among the world's top ten ( ranked by market share ) , compared to half of the country last year .


Gilligan said: " for the individual PV inverter market certification delays , declining sales and open up new barriers to market both the inverter supplier to Europe pose a serious challenge Furthermore , Chinese suppliers of these markets to compete foreign competitors and market inverter is increasing prices will further exacerbate the decline in sales . "

CVCF inverter waveform based control design

In power electronic devices to CVCF pure sine wave inverter  s the core of UPS has been widely applied, its output waveform major technical requirements include low steady-state total harmonic distortion (THD) and fast dynamic response, since non-linear load, PWM modulation process dead and inverter system itself weakly damped and other factors, using the general closed-loop PWM control is not ideal. In this paper, the United States produced by TI TMS320F240DSP for the control chip, using repetitive control system to improve steady-state performance with the introduction of integral control pole configuration to improve the dynamic characteristics of the system, the experimental results show that the scheme can simultaneously achieve high quality of homeostasis and dynamic characteristics.

Repeat controller design

The basic idea of ​​repetitive control from control theory internal model principle, that if you want the control system of a reference instruction to achieve no static error tracking, then the instruction that generated the reference model must be included in the stable closed-loop control system internally. First, the system uses the figure of repetitive control block diagram, the following analysis and explanation of its various parts.

P (z) is the dc to ac power inverter input and output of the discrete transfer function, is the system control object. Inverter switching frequency than the natural frequency of the LC filter is much higher, the dynamic characteristics determined primarily by the LC filter, obtained by establishing state equation P (z). In this system, L = 0.88mH, C = 60μF, inductor series resistance of 0.4Ω, the switching frequency and the sampling frequency is 10KHz, deduced discrete transfer function is:


Notch filter S1 (z) is mainly used for cancellation of the inverter resonant peak, a second order filter S2 (z) mainly provides high frequency attenuation. Zk links lead compensation filter S (z) and the control target P (z) the total phase lag, Kr is a duplicate control gain. Compensator C (z) to achieve the purpose of the object to the corrected low frequency gain close to 1, as soon as the high frequency gain is reduced to-26dB or less, and the system in the low frequency band prior to the passage of the total phase shift as small as possible. Take Kr = 0.9, zk = z5, to C (z) P (z) Bode diagram

2013年9月16日星期一

Chinese solar cells three to five years will popularize Chinese families

Solar power is clean, green energy, China is also the world's largest producer of solar cells, solar cell panel  but the high price but difficult to enter Chinese homes. The main reason is that the production of raw material polysilicon solar cell prices. On the 11th, the reporter in China's largest polysilicon manufacturer - Jiangsu in the silicon industry has learned that the plant has production in September fell to $ 23.8 polysilicon costs, compared to the international market price of around $ 90 with a purpose great price cut. The company vice president Lv Jinbiao said that China in three to five years will be a significant reduction in the price of polysilicon. When solar photovoltaic cells or in Chinese people's homes spread.

Accounted for half of China's polysilicon production in the silicon industry is located in Xuzhou, Jiangsu Province, is currently the world's largest single investment in polysilicon production base. According to Lv Jinbiao, currently the company's monthly production capacity of 1800 tons, production in 2010 is expected to exceed 21,000 tons, will account for the global polysilicon market share of almost a fifth. China has been able to solve all solar companies listed in the U.S. around seventy percent of the demand. The company's production in the next few years will be 120% of the rate of increase.

Earlier Chinese enterprises engaged in the photovoltaic industry has been in a "two out" situation in which raw materials and sale of land are in the overseas markets. June 2009 JZPTD industry five total production capacity of 18,000 tons of polysilicon production line put into operation, making China the largest producer of polysilicon, Georgia. But also the Chinese raw material in the production of solar cell in this area to break the United States, Japan, Germany's long-term technological monopoly.


Lv Jinbiao said: "With the increasingly tight global energy, solar photovoltaic power generation has a very promising future. Currently, the domestic photovoltaic power generation cost of 1.5 yuan over the next three to five years, they will significantly reduce the market supply of polysilicon prices expect manufacturers together with photovoltaic cells photovoltaic power generation will be reduced to less than the cost of conventional electricity.

America developed a new transparent solar cell film

According to the American physicist organizational networks reported recently, the U.S. Department of Energy's Brookhaven National Laboratory and Los Alamos National Laboratory scientists have developed a light can be absorbed and converted into electrical energy a large area of the new transparent film . This film of the semiconductor and the fullerene material , a micro honeycomb structure . Research published in the latest issue of the " Materials Chemistry " magazine , the paper said the technology could be used to develop transparent how to make solar panels can even be made ​​of this material power windows.

    This material is composed of a semiconductor doped carbon fullerene polymer. Under carefully controlled conditions, the material can be self- assembly method consists of a hexagonal structure micron scale expanded to a size of several millimeters of the honeycomb structure covered with micro plane.

    Responsible for the study of the U.S. Brookhaven National Laboratory Center for Nanoscale Materials versatile physical chemist Mircea Cartwright said that although this honeycomb films produced using conventional polymer materials ( such as polystyrene ) similar process , but for the semiconductor and fullerene material and allow it to absorb the light generated charges is the first time .

    According to reports, the reason why the material can also be transparent in appearance only because the polymer chains are closely linked with the edges of the hexagon , and the remaining part of the structure is relatively simple to connect the center point outward thinner . This structure has a connection function , but also has a strong ability to absorb light , but also conducive to conducting current , while other parts are relatively thin and more transparent, and mainly from the light effect.

    Researchers a very unique way to weave this honeycomb film : First comprising a polymer and fullerene was added , including the micro-scale thin layer of small water droplets. These droplets to the polymer solution after the contact will self-assemble into a large array , and when the solvent was completely evaporated , it will form a large area of the hexagon honeycomb plane. Furthermore , the researchers found the formation of polymers and is closely related to the evaporation rate of the solvent , which corresponds to the charge of the final material will determine the transmission speed . The slower the solvent evaporates , the polymer structure more compact , faster the charge transfer .

    "This is a significant cost and effective method of preparing a lot of potential applications from the laboratory to large-scale commercial production being ." Cartwright said.

    By scanning electron microscopy and fluorescence probe confocal scanning microscope of new materials researchers confirmed the homogeneity of the honeycomb structure , and its different parts (edge ​​, center node ) of the optical properties and a charge generating tests carried out .


    Cartwright said: "We work so that people on the optical characteristics of the honeycomb structure of a deeper understanding . Next we plan to apply this material is transparent and rollable flexible solar cell and other equipment manufacturing them , in order to promote this kind of cellular membrane into the practical stage as soon as possible . "

2013年9月15日星期日

See the transformation of economic development mode: "Twelve Five Year Plan" crack problems

Reporters interviewed in the coastal cities, one can often see huge banners: "a certain center of things" "Sensor Network International Innovation Park" and so on. Since the fourth quarter last year, nearly 20 provinces start things industrialization, industrial park construction staking. Not only of things, some experts pointed out that the carbon fiber production capacity around the world could ever use.To learn more please visit: http://www.solarpanelcellonline.com/

    On the one hand is the industrial proportion of small, weak international competitiveness, hard to bear "a great responsibility"; the other is the lack of core technology, blind expansion. The next five years, strategic emerging industries how the essay, how to achieve about 8% of GDP, the target is related to the overall transformation of the mode of economic development.

    [Break] path "second five" plan proposed emphasis on "developing strategic emerging industries", that "accelerate the formation of leading and pillar industries." Turning to the development of new energy and other emerging industries, China Development Research Foundation Deputy Secretary-General Tang said, "The biggest problem is how to promote innovation system." For example, he said that although China is the largest producer of solar panels cost  44% of the world Solar panels produced in our country, but it really is just 0.73% for domestic use.

    Tang Min, the United States, New Jersey home solar collection, use and sell impressed. In government grants and solar power company acquisitions policy, supported by the laying of a household solar panels, not only to meet their own use, but there are thousands of dollars each year from electricity sales richer. "We urgently need similar support policies."


    "The concept of strategic emerging industries, including both new industry model, including the use of new technology to upgrade traditional industries." Central University of Finance and Economics Dean Huang Shaoan that the next five years, should speed up scientific and technological innovation to support enterprises to become the main body, reversing the "Economic big country, supporting innovation, "the passive pattern.

Everywhere creative - creative French industry exhibition Sidelights

French industrial creative exhibition created by the French National Institute of Industrial Department, this year is the 12th, the organizer application works from a number of carefully selected more than 200 pieces, in the Science City of Paris for a four-month exhibition.

Into the exhibition hall, exhibition shines the way first of all, the article does not show party placed by category, but the circular area were divided into faint, purple, dark blue, red, orange and black and other sectorial areas, categorized according to the color of the exhibits. Center of the hall is safe with headphones lying multi-block display of colorful and comfortable sofas for visitors to use.

"Creativity exhibition has been held for many years, has been recognized by many people in the industry, if we want to set a theme of this year's exhibition, which is environmentally friendly," press officer Marion organizers, told reporters that "There are large and small household items In as much as possible to increase the user's comfort, but at the same time, the choice of material is also very important, most of them use of renewable materials, it can be said that today's industrial and ecological already blend. "

In the exhibition hall, a large sailboat cheap solar panels  small to smartphones, all reflect the "innovation" word. If a named Lexip French IT companies to develop a mouse, which joined the joystick designers, just gently press can quickly scroll through a page or browse files, eliminating the hassle of constantly turning the wheel. In addition, there are seven fixed procedure mouse button clicks to save files and other common operations.

One called Brave industrial and architectural design firm showcased the latest creative products - "perpetual subway." According to the firm, responsible person, this is a driverless metro, designed for three cars, before arrival, passengers will get off early focus to the last one compartment, arrived in site, the car automatically from the locomotive, so that passengers calmly get off, but still waiting for another station platform carriage, which is a passenger on this Station, locomotive then automatically connect to the new carriages move on, so the cycle can save 25 seconds per station passengers get on and off time.

The official said that this year the newly established firm, the current products are still stuck in the creative phase. French government for such innovative SMEs has been relatively encouraging, basically the solarpanelcellonline company invested € 1, the government will have 1 euro in subsidies to "perpetual metro" for example, can get his firm estimated 30,000 to 80,000 euros in subsidies.


Organizers said the exhibition is intended for audiences of ordinary people, each one is equipped with a pair of exhibition design concepts and features a detailed description of the hope that through creative development, to stimulate the public, especially young people, a passion for innovation. The exhibition is expected to attract 20 million people come to watch.

2013年9月12日星期四

National Grid authentication except low voltage ride through all the normal sunlight Power Inverter

June 20 to 21, the National Network of Qinghai Electric Power Company, China Electric Power Research Institute, Qinghai Electric Power Company and other units jointly conducted a real low voltage ride through validation tests. The test is for Qinghai Haixi area network performance photovoltaic power plants and field verification.

Xinjiang and the Northwest 750 kV main grid interconnection switching station to the Qaidam Iqe substation side of the line becomes single phase of Qaidam test to become this test project. China EPRI monitoring at nearly 30, and along the line from Golmud to Ulan select four photovoltaic power plants, photovoltaic solar power inverter 12 different types of species, as well as a variety of SVG and SVC reactive power compensation device, covering the country now mainstream models installed photovoltaic inverters and reactive power compensation device.

During the test, China EPRI field view of the three power stations - Golmud River photovoltaic power plants, photovoltaic power plants Golmud GD, Ulan Yellow photovoltaic power plants, other power plant according to claim the initiative to report off-grid situations. From reporter to grasp the situation, the inverter side, the sun is the best performing power inverter with charger, inverter all its normal, there was no off-grid situations. In addition a number of brands have different levels of inverter off-grid situations arise, ranging from a few to as many as several dozen.


The test better grasp of the large-scale centralized PV power plant connected to the grid characteristics, inspection Northwest power grid PV power plant low voltage ride through technology applications and reactive power compensation device control strategy the actual results, but also for future photovoltaic and other scientific data accumulated .

The rise of new solar giant, the Great Wall Satcon inverters installed worldwide breakthrough 3GW

Shenzhen Changcheng Electrical Energy Limited (referred to as the Great Wall of Energy) in Shenzhen, held a news conference to formally announce the "Great Wall Satcon pure sine wave inverter installed worldwide breakthrough 3GW". This means that the Great Wall Satcon inverters substantial increase in installed capacity worldwide, as well as brand, channel, marketing, etc. to enhance the comprehensive ability, but also means a new leader in solar inverter is on the rise.

Forefront of technology is king independent

Great Energy is a Fortune 500 company China Electronic Information Industry Group (referred to as China Electronics)'s solar industry backbone enterprises. In the solar inverter industry, with independent research and development, production and sales, technical consulting, engineering, turnkey, engineering design, installation and technical services such as a complete industrial chain, and became the world's second largest, North America's largest utility-scale inverse Transformer manufacturer Satcon most important strategic partner.

Since 2009 began to cooperate with Satcon, Satcon inverters Wall will by virtue of environmental adaptability, full power conversion efficiency, reliability, good technical advantages are exported to Europe, Asia and other countries or regions.

To the inverter core indicators - full power conversion efficiency, for example, the Great Wall Satcon solar power inverter are not lit, load and other restrictions, the entire operating cycle can achieve high efficiency conversion. Its unique patented technology MPPT maximum power point tracking technology and control strategies through advanced control strategies to achieve longer online generation time every day, and through the accurate and rapid solar array maximum power point tracking technology, to maximize conversion , issued by the energy output of the array.


In addition, the Great Wall Satcon inverters are used outdoors chassis design, all built-in AC and DC power distribution cabinet, can be directly arranged in the outdoors, without additional configuration DC cabinet, do not need to set up another equipment room, easy to install, simple, effective conservation construction, civil engineering, HVAC, fire protection and other aspects of the cost and reduce the footprint, reduce the formation of shadowed components, which increased land utilization..

2013年9月11日星期三

"Excuse me," the development of Hefei build "PV Three Gorges"

Mayor ZHANG Qing-jun should Jiuquan party secretary Ma Guangming, mayors Wei invited to participate in the Three Gorges New Energy - Sunshine Power 50MW photovoltaic power plant project in Jiuquan Chaoyang grid ceremony and delivered speeches.

ZHANG Qing-jun said in his speech, Jiuquan vast cultural thick, rich in resources, as China's first photovoltaic power generation concession projects settled in Dunhuang, Jiuquan mass gradually opened the prelude to the construction of SUNGOLDPOWER photovoltaic power generation projects. "Eleventh Five-Year", Hefei strive to foster the development of solar photovoltaic and other strategic emerging industries, successfully established itself as the first national base for the development of solar centralized applications. Recently, the state has issued a series of supportive policies and measures for the development of photovoltaic industry, for the development of cooperation between the two cities of Jiuquan Hefei, this is a major positive. The Three Gorges New Energy - Sunshine Power Jiuquan Chaoyang 50MW photovoltaic power plant project as a platform, the two cities each other, "Excuse me," the development of Hefei to work together to create "PV Gorges" project, led Jiuquan comprehensive development and utilization of new energy sources, will have a great role in the promotion.

ZHANG Qing-jun said that the sun power with the Three Gorges New Energy deepening consensus on cooperation, expand areas of cooperation, expand cooperation level, while the Three Gorges Hefei sincere welcome to our new energy companies invest in fertilizer.

Jiuquan Chaoyang 50MW photovoltaic power plant project a total investment of 570 million yuan from the Three Gorges New Energy, Sun Power joint venture construction, will become China's first power station the German TUV certification. After the station and network operation can produce 080 million degrees annually clean electricity, saving 25,000 tons of standard coal, reduce carbon dioxide emissions 80,000 tons.


During the Jiuquan, ZHANG Qing-jun and his entourage also visited the Sunshine Power in Jiuquan annual output of 1,000 MW photovoltaic grid tie power inverter and wind inverter project, which invested 50 million yuan, was completed by the end of August, the upcoming production.

Hanyang University professor: Korea through subsidies encourage consumers to buy electric vehicles

Let me tell you about the development of electric vehicles in Korea situation , we can see from the chart is South Korea currently developing an electric car , we list here some specific manufacturers and models related to , for example, we above par , including Honda and Kia related models, including the 2010 launch of the BlueOn, this is our first one in Korea related models to market. Also included in 2011 's rayEv, 2011 annual sales target is 2,500 units, also includes Elec-city, which is the project launched in 2010 , in addition to South Korea , and related Gov are in the automotive development efforts .

Here are some of the government for the next generation of electric vehicles to specific projects , the project for 2014 is the next generation of electric car project , the project participants will mainly include as lead like a modern car , in addition to Hyundai , but also including 44 enterprises , as well as six universities and relevant government , research institutions. 2014 next-generation electric vehicle project that aims to promote the establishment of the relevant electric vehicle platforms , including the promotion of drivetrain inverter charger  batteries and other related technologies for further development, but also includes a charging system, charging infrastructure and energy management technology, further development . Hanyang University In this project we will play our role which will contribute to our technology. The entire project was started from July 2011 , cut entry period is June 2014 , the entire project duration of 36 months , the project's budget has now reached $ 110 million . Then we know that in Korea, including LG, Samsung, including SK, the three companies are big battery suppliers , vehicle manufacturers and Korea they maintained close cooperative relations, this project can not say that time is very short , our government also gave strong support to this project . We can see from the chart are five compact electric car , you can see from the chart some of the models related data, including its exterior dimensions, including traction motor power , including batteries, maximum cruising mileage can reach 200 km , 0-100 km acceleration is 11.5 seconds, and the maximum speed can reach 145 kilometers per hour , this model can support fast charging gentle charging two charging modes , slow charging is needed five hours , quick weight twenty minutes.

Here I will give you to tell us about the development of electric cars the main problem , I think a lot of problems we face together . This chart we see that the electric car is our major components , including motors, heating means , regenerative braking system includes a charging system , including high energy density batteries , battery management system , low-cost high-performance reverse transformer , high-performance motor and reduction gear , including such charging connector and so on. We require that the entire set of system power management system has very high performance and efficiency. We take a look at the angle from the battery , I think no matter what you develop electric cars models, the battery needs to be achieved as these characteristics , such as high power density, high energy density , smaller size , more flexible installation and longer battery life while security must also have high demands.

We now take a look at our high-performance PMSM system , which involves as high-efficiency components, including as IGBT, efficient electric tuner , companies mentioned yesterday IGBT technology, let's look at this charger, for the Korean automobile SUNGOLDPOWER company, they need to provide a standardized charger, because the South Korean car company manufactured cars are sold to the world , including the United States or Europe , etc., so it provides the charger must be consistent or European standards .


Next, look at how to promote electric cars , the South Korean government hopes to provide subsidies through incentive mechanisms to encourage people to buy electric cars better , for example, if people buy electric cars , then at least they can get 10,005 thousand a subsidy . Meanwhile it, in Korea , in order to better promote the use of electric vehicles , we have created a lot of charging pile , and now in South Korea a total of three thousand charging pile, 2016 , we hope to be able to build 10,000 5 one thousand charging pile, of course, is far from Japan so much . So you can see , in promoting the use of electric vehicles in Korea , we have to build a large scale charging pile, including this rapid charging pile, as well as slow charging pile .

2013年9月10日星期二

New energy for the power device market has brought new business opportunities


Power semiconductors increasingly wide range of applications , devices for different applications have different requirements , which makes the vendor solutions for the industry began to move toward the road . International Rectifier (IR) Pan Dawei, vice president of sales for Asia Pacific said power devices and terminal application development needs are closely linked, in some specific application requires a specific technology to meet specific system requirements , IR will no longer develop can be applied solutions for all applications , whether for automotive transmission , solar grid tie inverter , or processor power , etc. , IR are tailor-made for these new devices industry in order to achieve optimal system efficiency and application results.

For example, in the electric vehicle market , as more and more car manufacturers will be hybrid vehicles (HEV) and electric vehicles (EV) into its product platform , so to automotive powertrain electronic progresses, aimed at promotion of electronic components to meet more stringent emission regulations and goals. Vehicle-specific power semiconductor devices and packages will help to achieve electronic transmission cost, size control, and improve system reliability.

Currently IR has developed a complete set of automotive high-power semiconductor platforms, including innovative automotive IGBT 600V platform (CooliRIGBT), the design for the electric vehicle (EV) and hybrid electric vehicle (HEV) in a wide range of fast switching applications covering DC-DC converters, motor drivers and battery chargers. New devices can be the same with the MOSFET fast switching frequency , while the high current levels to provide higher frequencies. In addition , IR has also launched a series of meet customer demand for the automotive industry COOLiRFET MOSFET, can include electronic power steering (EPS), braking systems and other internal combustion engines (ICE) and micro- hybrid vehicle platforms , including large load applications provide a baseline on-resistance (Rds (on)); 22AEC-Q101 series also provides low conduction losses and strong avalanche performance.

In order to be closer to the market , the actual needs of the customer to make a timely response , AOS erected in the global market starting from the device to the system-level engineer support team. Especially for the Chinese market , AOS in Shanghai has powerful application development center, engineers have extensive experience in the design , they are in the system designer and power semiconductors as a bridge between , according to the needs of the system power level to provide customers suitable solution . For example , suitable for solar inverters, industrial motor drives , power factor correction or appliance control, and meets the requirements of the domestic manufacturer of welding 600-1200V IGBT devices ; can be used for efficient power converter , and to meet international standards ( such as " Energy Star " ) required 20-1000V MOSFET and so on.

Individual PV policy support, but more difficult


Provide the public with the application, the power company after accepting the 20 days, will be sent to the scene, issued an acceptable solution , the public under the program to design , purchase qualified units solar panels , inverters , brackets , cables , etc. installation, and then the power company to review , through the power company after acceptance , the SUNGOLDPOWER company will send someone for metering devices installed , and network contract signed , and for grid connection debugging. Reporters learned that the entire process in about 45 working days to complete .

[Difficult] difficulties hinder promotion of higher input costs

Policy support, apply for the green channel are blocked, hindering individual windows of paper distributed generation what ?

"In many areas of distributed generation , individuals currently in the country is the most widely distributed photovoltaic power generation , although loans to solve problems and exempts electricity permits for individual photovoltaic There are many obstacles ." Provincial Power Company relevant person in charge told the reporter , the first natural person can not be a VAT invoice , will make selling electricity settled into an infinite loop .

Another venue has difficulty . Yunnan Jun Sheng Energy Investment Management Ltd. CEO Shen Jun said that , in general, one kilowatt photovoltaic system requires accounting for 8-10 square meters of area , for residents who live in apartment buildings , the installation of photovoltaic power generation equipment biggest problem is how to coordination with the same floor, the roof of the inhabitants use of public space , once the economic challenges facing the distribution . "We are more inclined to look for schools , factories and other property rights clear roof ."

" The second is the use of technical barriers , except for a few " technical control " , but I'm afraid not many ordinary citizens can easily understand how to use and operate distributed generation equipment supplied ," insiders say , if the solar power generation equipment encountered some failure , the general public should be also a major problem.

" Input costs " is one of the biggest personal challenge of distributed generation .

Poly Spring Energy Development Co., Ltd. , Sichuan Vice President Yang Yue recently a total investment of 17.85 million yuan , Kawakita generation capacity 2.1 MW solar photovoltaic power plant 's first successful operation of the grid , but then many of its customers consulting personal power helpless , " we all start right not pay the electricity bills of interest , but the cost is accounted for one figure are scared . "

Yang Le said there are still new personal self photovoltaic power plants in the technology and business models are still in the exploratory stage.

The first is the cost of installation , Yang Le calculations of economic loss , with the lower cost of photovoltaic solar power generation , the current cost per watt needed 50 yuan, while the power of 3-5 kilowatts of photovoltaic systems can be issued to the basic power meet the daily needs of families , but the light installation costs need to 2-4.5 million, plus home inverter charger also more than 20,000 yuan , 40,000 yuan in total investment to more than .

Individual photovoltaic power plant was built facing the problem of cost recovery . Insiders said that in addition to Panzhihua , Liangshan light resource-rich three -state , province lighting resources and not very wealthy , " generally require ten years to recover the costs. This also is not the device attenuation factor ."

The provincial power company official said , speaking for the family photovoltaic , tens of thousands of dollars of investment is not small, they want to calculate their investment and revenue , " if for a family , which tens of thousands of dollars invested companies with direct purchase of electricity from the grid compared with no significant gains life , then it is difficult to make individual photovoltaic power up . " the person in charge raised concerns about the future .

Industry point of view - with a long term investment prospects need to be cautious

With the government to increase subsidies , individual investors back to the speed of photovoltaic power generation will be greatly enhanced. "We have two weeks to submit their applications , according to the current tariff standards, we want to recover the cost of about 15-20 years , if state subsidies in place, recycling costs will be cut by half or more, half of the time can be used to profitability ." Sichuan Poly Spring energy Development Co., Ltd. Deputy General Manager Yang Yue that when investors a cost-recovery cycles , the individual photovoltaic power generation is possible in Sichuan ice .

" Long-term development of photovoltaic industry should not rely solely on subsidies and policy support , but need to progress through technology and other means to reduce costs, the cost of photovoltaic power generation is now about 1 yuan per kWh , down 8 cents should be no problem ." China renewable energy Society, vice president of Meng Xiangan representation .

Panzhihua City Commission by letter Renluo Jun said that apart from the main national subsidy policy, there are conditions for the development and potential of urban areas can also be introduced policies to support.

Although the majority of individual users, now build a rooftop photovoltaic power stations and worthwhile, but there are a lot of people believe that the future of photovoltaic equipment prices will drop further , the conversion efficiency will be significantly improved , subsidies and other supporting policies continue to improve, in the long run look , built a rooftop photovoltaic power station is still a good investment .