The same principle also applies to the installation of utility-scale projects. However, most public projects involving large-scale ground mounted PV array, and with many inverters can quickly boost to medium pressure (4160 to 13.8 kV). Further, the conventional inverters require a separate isolation transformer with each inverter pair, and this accounts for up to two unnecessary loss in efficiency point.

In a 1 MW module, can be 1-4 conventional inverters placed in a separate backing plate, and each inverter is connected with the pressure. Medium pressure connection cost is high, perform this task electricians need to accept a higher level of training and certification. Requires the use of larger equipment pad or utility chassis. If the electric field has a tracker in operation, then the need for a separate power supply transformers for these trackers. Thus, the system balancing equipment, materials and installation costs will increase rapidly.

Traditional inverters self-interference, through the public line (such as various VAR generation) to detect islanding condition. When the grid tie power inverter in parallel with a number of such interference will be in all inverters difference between the VAR beat frequency, the resulting electric field will close the false tripping. A plurality of conventional inverters and their triangular capacitor will produce a large instability and absorb large amounts of harmonic currents.

These problems can be transformerless inverter technology to avoid. Transformerless inverters can be connected in parallel to a separate medium-voltage transformer windings. Each inverter requires only a single, standard specifications of 1000, 1500 or 2500 kVAR medium-voltage transformer. This is configured for the site offers many possibilities. Due to its current than conventional inverter with charger current, so placement of inverters and transformers way there are more flexible options.

Transformerless inverter size is approximately half of conventional inverters, can be directly converted into a higher voltage, which reduces the required floor space, cost of transport and lifting equipment (device plus incremental plate or Public enclosure construction costs) and the size and number of windings connected. In addition, a transformerless inverter is connected to a standard distribution board in the case without a separate transformer power supply to the tracker. Reduction of the transformer, the reactance components of the system be reduced, in order to achieve the most stable state of operation. Additionally, each inverter are both automatic and independent Ethernet addressing, thus eliminating any interference problem.

In addition, the completely passive anti-islanding technology (anti-islanding technique) does not interfere with the utility voltage deviations VAR, nor on the course set other transient, thus enabling efficient, smooth, stable power supply, which together are to Relative reduction in installation costs.

 According to South Korean media reports, LG Display Company is currently working to nurture its thin-film solar cells emerging businesses. The company said in 2012 about 8% of the existing prior to the photoelectric conversion efficiency to 14%, and announced the official launch commercial production plan.

Reported that the thin film solar cell is an organic thin film transistor (TFE) Technology Correlation strong new energy technologies, so LCD panel manufacturers to enter the field with the appropriate technology and equipment related advantages. Photoelectric conversion efficiency is typically 10% -12% or so that the basic conditions with commercial production.

It is reported that, LG Display on the one hand to improve the conversion efficiency is dedicated to advancing technological innovation, on the other hand to seek a breakthrough in manufacturing costs, through the production cost control and the average size of the marginal effect of mass less than $ 1 per watt price advantage products, to ensure product formation of a strong market competitiveness.

Reported that the early stages of the business forward, the company will enter the solar power stations, building solar cells, solar outdoor advertising display areas; future will be further involved in the mobile display solar cells, solar car solar power plants as well as other marine other areas.

To this end, LG Display from the most recent to the new one by the end of the year more than 50 people composed of thin-film solar cell R & D team, and the factory in Paju, Gyeonggi Province, invested about 50 billion won to build a new thin-film solar cell production line, to build outdoor test power generation facilities. The company Jung Jae deputy said that based on the world's highest level of TFT manufacturing technology, will ensure that in the near future to achieve the commercialization of photoelectric conversion efficiency.

 Australia Liansheng Group on June 15 announced and the world's leading supplier of solar technology First Solar, Inc. Has signed a supply agreement 10MW solar panels.

This is First Solar's global expansion, another competing industry leading performance. By the end of April, First Solar has announced that will give Solar Shop Australia, Pty Ltd 1MW solar project a DC rooftop photovoltaic modules. The solar power system will be installed in South Australia Adelaide Showground (Adelaide Showground) in six separate buildings, is Australia's largest solar photovoltaic installation works. This shows that First Solar grid tie inverter has been in the solar energy resource-rich Australia step up the layout, and its leading position in the future to increase competition for the global PV chips.

For this contract, Bovis Lend Lease Australian region CEO Tony Costantino said that such a relationship not only for Liansheng, but also for Australia to provide solar technology is a significant step forward. "First Solar's solar panels can perfectly adapt to Australia's climate, because at high temperatures, these solar panels photovoltaic technology than any other working conditions should be good.

First Solar marketing and business development executive vice president John Carrington said, "First Solar gridtiepowerinverteronline is honored to collaborate and Liansheng and we are delighted that Liansheng projects for their chosen our technology and we will always continue in the future Australia's investment in green energy business. "Once you install these solar panels, they will be equivalent to an annual reduction of approximately 15,000 tonnes of carbon dioxide emissions into the atmosphere - which is equal to an annual reduction from the 3500 road car.

 June 11, the world's leading and largest dedicated semiconductor foundry Taiwan Semiconductor Manufacturing Company held a news conference to announce TSMC will develop solar and other new industries. TSMC chairman Morris Chang conservative estimates, in 2018 solar and other new industry will reach $ 2 billion or more, to bring for TSMC contribution to revenue growth of 1.5%.

After one day, June 12, according to South Korean Chosun Ilbo reported that South Korean technology giant Samsung Electronics to spend nearly 40 billion won (equivalent to $ 32 million) to build solar cell production line, plans to expand its solar cell business. Device is located in the south of Seoul Xing (Giheung) new plant is expected to be completed in October, production capacity will reach 30MW. Samsung next year will cost nearly 400 billion won to expand production lines, the overall production capacity will reach at least 300MW.

In fact, the electronics giant in the solar industry is nothing new. Japan, several electronics companies have operated for many years in the field of solar energy. Before 2007 Japan's Sharp has also been the world's number one solar cell manufacturers; addition, Sanyo Electric engaged in solar energy research for several decades of history. Japanese electronics giant solar industry wide distribution, mainly due to China and South Korea in the field of consumer electronics companies strong rise of the tide of Japanese companies has emerged a few years ago, so they have turned to a more promising field of solar panels. After several years of training, coupled with the strong support of the Government of Japan, Japanese companies in the field of solar inverter energy competition gradually.

South Korea's Samsung, TSMC China Taiwan electronics giant also announced two solar industry, because it is not a traditional core business of being challenged. This move can be seen, the international electronics giant to develop new business of a signal. I believe this will become a trend in the future.

The bright future of the solar industry is to attract the main electronics giant came layout, technology research and development field advantage will promote their strong rise in new areas. Meanwhile, it also gives the traditional solar photovoltaic manufacturers sounded the alarm, as more and more competitors to join the field of solar photovoltaic competition will become more intense.

 German solar module manufacturers asola recently in Erfurt, central Germany has opened up a new factory crystalline silicon solar modules. The initial capacity of 32 MW plant is expected to the end of this year will achieve the production capacity of 45 MW capacity.

The plant has hired 100 workers, is expected to end this year, the total number will reach 130. Motech, Sunergy, ersol this plant will become Asola solar battery supplier. As European countries, especially Spain's policy in the field of solar sungoldpower energy a major shift, causing the rapid decline of the global PV market, which led to a quarter of the global PV companies operating conditions are generally not ideal.

Among them, the German manufacturer Wacker polysilicon sales in the first quarter fell 14 percent, the German photovoltaic system integrator Phoenix Solar in the first quarter sales fell 11.8 percent, the German solar cell manufacturer CentroSolar a quarter sales fell 7 percent, Germany silicon wafer manufacturer Solon first quarter revenue up an even bigger drop 76%, and now the world's largest solar cell http://www.sungoldpower.co.uk/ manufacturer Q-Cells in the first quarter sales fell 17%.

A quarter of the global PV industry Asola dismal performance does not stop the pace of expansion, the company has announced on February 25 with Chinese solar cell manufacturer China Sunergy (Nanjing) Co., Ltd. photovoltaic signed a sales agreement, China Sunergy Asola will provide 10-30 megawatts of solar cells. Immediately turn it on again a new PV module factories, indicating Asola photovoltaic market to pick up in the future have a strong confidence. The countries around the world, especially in countries such as China and the U.S. to support new energy policy, or the main driver of Asola expanding rapidly.