Into the culture and art center of weihai will explore the secret power of the glass roof

Have you seen the glass roof will power? 17 morning, the new shandong science development -- "LuHua cup" the eighth network media of east CaiFangTuan line came to weihai in shandong culture and art center, culture and art center huge glass roof battery has become the focus of the reporters. According to the staff of the scene, the roof can power converter , annual output of about 330000 KWH, 327 tons of carbon dioxide, equal to one year planted 16350 trees on the roof.

"Battery" glass "fell into" the sun's literary center

Line 17 morning, media reporters arrived at the confluence of weihai weihai city and economic and technological development zone citizen culture and art center. According to introducing, culture and art center of weihai, with a total investment of 527 million yuan, a total construction area of 63314 square meters. Project put into use in December 31, 2009.

Museums, art galleries, youth palace, women and children activity center, the urban planning museum and science and technology museum... Collection of culture information, culture, entertainment, and supporting services in the integration of culture and art center of weihai, fill in the blank of large cultural facilities lack of weihai city, become an important places of public cultural facilities and mass cultural activities.

Subsequently, the reporter also came to the culture and art center of the top floor. Look, the entire roof is a huge cultural and artistic center in the "battery" glass, glass panels are plumes of hot sunshine "fell into his arms." The traditional battery is laid on the roof of the existing, and the project requires direct use 'glass battery for roof building materials. "Shanxi network reporter holding not by watching them from the wowing wwe.

A huge "battery" glass, how to convert light energy into electrical energy? According to introducing, photovoltaic power generation is according to the principle of light born v effect, using solar cells convert sunlight directly into electricity. Power generation system mainly by the solar panel module, controller and sine wave inverter three components, photovoltaic power generation to spacecraft, on to household power supply, can be used.

The world's first wave "battery" glass roof

The weihai public cultural center with a total area of more than 6000 square meters, the roof of all use glass embedded thin film battery, is the world's largest amorphous silicon photovoltaic roof project, the project also broke the "battery" glass is all flat conventional, is the world's first take a wavy design "battery" glass roof.

"Using solar power to what are the benefits?" Auspicious forest tries reporters Yang Zongli questions standing to the side. "The use of solar power generation does not use any chemical fuels, emissions to the environment will not harmful substances, is no noise effect and has no moving parts, is the real pollution-free renewable energy, green energy." Culture and art center staff said.

According to introducing, plus the lighting area, the weihai city center area of more than 7800 square meters, the whole photovoltaic system dc rated power 273 kw, annual output of about 330000 KWH. Can save 118 tons of standard coal each year, 327 tons of carbon dioxide, sulfur dioxide emissions 9.8 tons of emissions reduction nox 780 kilograms, to become worthy of the name "green building". "According to a tree, simply absorb 20 kilograms of carbon dioxide a year, this power plant is equal to the roof planted 16350 trees a year."

At present, the electric power generated from the system can completely meet the lighting needs of the whole citizen culture center and parts of office buildings. 25 years, the project capacity reach 8.25 million KWH, 2960 tons of standard coal saving, 8175 tons of carbon dioxide. The project in 2006 by the ministry of finance, the ministry of construction on the first batch of "renewable energy application demonstration project", after the completion of Srillwell replaced the New York subway station become the world's largest amorphous silicon photovoltaic building integrated roof project.

On April 21, nissin company install the sine wave inverter in place.

Family investment distributed grid tie inverter system, of course, return on investment is a topic around is not the past.

Nissin company controller introduces, zhao home the power equipment is not installed photovoltaic power plant energy storage system, so the Mr. Zhao's home is the use of photovoltaic power station electric power during the day, night back to residential electricity instead.

"Energy storage device, the cost of the whole system has 40000 multivariate.

Energy storage devices will have loss, two to three years to change again, so can't hope to recoup costs.

Although can install energy storage devices throughout the use of sine wave inverter , but from the cost estimates is not cost-effective."

Mr Zhao told reporters, before the installation of equipment, he also calculate a cost account, if it will be for personal use and sold to the grid, combined with tongling light time of year, he estimates that about eight to ten years to recover the cost.

Considering the photovoltaic modules has 25 years of use cycle, the rest more than ten years for profit.

No matter many years to recover the cost, as ordinary citizens, Mr. Zhao more hope through their own to provide some positive energy to the development of pure sine wave inverter .

"Photovoltaic energy conservation and environmental protection, belong to clean energy, the future development prospect is very big.

Hope state in the distributed photovoltaic the detailed argument, some moderate policies, encourage where conditions permit to develop clean energy."

Residents can apply for their own electricity

Mr Zhao is the first application of photovoltaic power generation subscribers of tongling, in 2012, the state grid corporation issued to encourage photovoltaic, wind power, natural gas and so on into the national grid power supply policy, private use of these new energy electricity can be sold to the national grid.

Sensing and control makes the sine wave inverter

Omron in the field of "power inverter" and "control", has a large number and variety of product lines.

Omron to journalists focus on its industry pioneered "Sysmac automation platform".

Platform in the application of power inverter  advanced visual sensing technology, through the camera to power inverter, the number of test subjects, position, shape and other characteristics, can quickly determine whether the product qualified or will test data transmitted to the robot,power inverter and other production equipment. 

It connected by integration and integration software, grid tie inverter  with characteristics meet the demands of high-end mechanical automation,grid tie inverter from low number axis machines to large machines to provide a full range of solutions.

And this with grid tie inverter more corresponds to the development objectives in China. 

Omron (China) co., LTD., chairman and general manager Mr Indigenous company said: "omron in China established from research and development, production to sales, technical advice of grid tie inverter system, providing customers with the world's leading localization, cost-effective and relevant requirements of industrial automation solutions and high-end precision instruments,grid tie inverter helping China to change automatic equipment imported."

Visualization scheme to promote sine wave inverter saving energy

To increase the capacity of industrial production, in addition to improve the degree of industrial automation,sine wave inverter can also from the Angle of improving energy efficiency, cut. 

On factory power system design, sine wave inverter try integrated use of "energy saving" and "would" in two ways, both, improve the economic benefits of energy utilization.

One of the authors of the paper, a former MIT graduate students, Cassandra, said: "the significance of the paper lies in the fact that it describes the existing all such techniques as well as the effect of we combine these technologies.

It also pointed out that all have to face challenges,sine wave inverter researchers can separate analysis of these unfavorable factors through the experiment."

Such as standard silicon sine wave inverter battery voltage of 0.7 volts, the water-splitting reaction needs to be more than 1.2 v voltage. 

More than one solution is to put batteries in series.

Although the battery interface to lose energy, but also can yet be regarded as a promising research direction.

Another disadvantage is that the water itself, the electronic must be through the whole circuit, it will produce resistance, a method of improving efficiency is to reduce the solution resistance, this can be done through the "techniques", such as using interpolation board to reduce the distance on both sides of the reaction.