Corona: The inverter contrarian to the good prospects

May 16, Beijing Corona Science & Technology exhibition site in SNEC conference held reporter, deputy general manager Jiang Yanxing solar Soapy invited and accepted an interview with reporters. He said, inverters and system integrators in the "five" is a stage of rapid development.

     PV inverter solar PV system is an indispensable key equipment, its reliability, efficiency and safety directly affect the entire solar photovoltaic power generation system and operation stability of the whole photovoltaic system of key equipment . The leader in the field of photovoltaic power generation - Corona at SNEC exhibition shows us 100KW off-grid inverter, this inverter is suitable for independent power transmission systems in remote areas, to ensure one hundred percent unbalanced three-phase operation. "100KW off-grid inverter power inverter is an upgraded version of the product, along with the introduction of new national standards, we constantly update technically." Jiang Yanxing said.

     As more and more enterprises to enter the field, the market is more competitive, but Corona has been very focused on technology research and development to make products in the marketplace. By the company developed the production of 500KW PV Grid Inverter passed State Grid EPRI "low voltage ride through" test has given us proof. Jiang Yanxing said that the successfully tested, not only for the company since the late pioneering role in promoting photovoltaic market, but also for photovoltaic inverter gridtiepowerinverteronline products for further development has laid a solid foundation.

    ? Subsequently, Jiang also said that the company's future direction will be three, the first micro-grid, distributed power, smart grid and other forward-looking and development of technologies; second cost-efficient; third product performance and reliability.

    ? Corona as a high-tech enterprise, has been adhering to the "people-oriented, integrity and pragmatic" scientific style, is committed to developing the advanced use of clean renewable energy technology, continue to provide the market with reliable, efficient, low-cost new energy products, and more of China, for the world to bring more clean energy.

Photovoltaic industry: from policy-driven to technology-driven

In contrast photovoltaic industry development history can be seen, policy-driven PV market has been promoting the development of the main driving force , Europe, China markets alike . America is a pioneer in grid-connected PV countries since the 1970s began to promulgate laws , the photovoltaic industry was included in priority development areas, from development goals, funding , research and development and other aspects of photovoltaic technology and industry to support the commercialization of ;

Early 80s of last century began PVUSA ( photovoltaic systems in utility -scale applications ) plans ; 90 U.S. Department of Energy 's support, began implementing the " photovoltaic building plan " ; late 1990s President Clinton announced the implementation of " Million Solar Roofs "program, further building integrated photovoltaic climax . Brought a series of incentive policies PV industry 's prosperity.

    In China, due to an overall decrease in overseas markets led to the decline in demand subsidies , plus a few other unfavorable factors, resulting in serious disruption to exports , in this context, China strongly encourages the development of photovoltaic industry , the introduction of a series of favorable policies to promote the domestic photovoltaic capacity annually 25% growth rate, which the Ministry of Finance led " Golden Sun" reached 600MW scale .

The report shows that in 2011 , the tariff policy under the impetus of China PV invertermarket surged 400% , shipments of more than 2.5GW. According to Emerson Network Power 's experts, the future, the Chinese PV industry development activity will be released, grid-connected PV market expansion will bring a broad PV inverter market, and technology in the photovoltaic industry in the development process will also play a more important role .

    This trend SNEC (2012) Sixth International Photovoltaic Engineering ( Shanghai ) Exhibition to be reflected. In this exhibition many manufacturers focus on appearance , showing a variety of innovative photovoltaic technology areas , including Emerson Network Power launched the "Smartshine ™ SSO series of prefabricated photovoltaic off grid inverter station " system paying particular attention .

The system uses industry-leading grid inverter technology , highly integrated, safe and reliable, with a strong ability to adapt to the environment , particularly suitable for the construction of photovoltaic power plants desert , due to its cutting-edge technology and design philosophy and become a one-stop a highlight show . From manufacturers to use the new design concepts and innovative technologies as well as the launch of photovoltaic products throughout the show 's message of view, technology-oriented era of the photovoltaic industry , not far away.

Miniature photovoltaic inverter giant Enphase IPO financing $ 51,100,000

The world's largest manufacturer of solar micro-inverter EnphaseEnergyInc. IPO financing $ 51.1 million, only half the originally anticipated. Documents show, Enphase price of $ 6 per share, sold 897 million shares. Company's existing supporters agreed to purchase 250 million shares of which.

     March 28, Enphase its IPO price range of 10-12 dollars fell from the previous 6-7 dollars. This home is located in Petaluma, California micro-inverter company said it intends to raise through an initial public offering $ 100 million of funds. Enphase CEO PaulNahi telephone interview, said the proceeds will be used for new markets in Europe and Asia, expansion and technical upgrading, including the company's network system improvements, so that customers could better monitor the operational status of solar photovoltaic power plant.

     Enphase stock today on the NASDAQ stock market trading, first day of trading rose 22 percent, to $ 7.34, the company a market capitalization of $ 274 million. Enphase mainly for the production of PV modules produced by the direct current into alternating current miniature photovoltaic inverter.

     Nahi said: "We will be restructuring of the industry attributed to micro-dc to ac power inverter, which will change the whole solar industry and this market has a size of $ 7 billion, last year we did $ 150 million in revenue." Last year, the company's revenue over $ 149.5 million, while the net loss increased 48% to $ 32.3 million.

Nahi said that the current Enphase in North America residential solar photovoltaic systems occupy a proportion of 30% in commercial roofing systems in the proportion of 18%.

     Traditional Inverter Suppliers SMA Solar Technology, Power-One and SunPower Corp. Expected to be introduced this year, micro-inverters. Other competitors include Siemens AG and Advanced Energy Industries.

MeV love Faso phase inverter China's first medium-voltage grid via BDEW directive test

Jiangsu Zhao volts love Faso New Energy Co., Ltd. (hereinafter referred to as MVA love Faso) three cameras inverter Herald frequently, just became the first certificate of the German VDE 4105 inverter, recently, and in the laboratory BV accepted the German BDEW medium Voltage grid command TR3 all the tests, the test results is very good, especially to overcome the greatest difficulties - low pressure passed through the part, as well as the first Asian country by the German BDEW medium Voltage grid command TR3 all tests dc to ac inverter manufacturer.

     By the end of 2011, the German government announced a surprise new certification standards and requirements in the March 1, 2012 enforcement, which is BDEW (for large PV power plants boost Internet inverter manufacturers use the software to build power plant model and simulate various functions of the inverter operation, access to testing agency DC power and the AC grid parameters, which can meet the test requirements), the enforcement of this certification is to ensure that the grid is also scheduling and various control stability.

(Currently only a handful of certified BDEW inverter manufacturers through Europe, the vast majority of companies do this certification takes at least six months preparation time; while many of the existing power plants in Germany have been told to rectify within the specified time, the inverter devices to meet these two requirements for certification, otherwise it will cease its grid).

     MeV love Faso rely on a strong R & D team, advanced technology and equipment, highly stable product after a series of brutal test once again become the focus of the world, won the domestic and Asia through the German BDEW Medium Voltage Grid command TR3 all tests inverter manufacturer's crown.

This marks MeV love Faso development, production levels were in the country and the world leader, fully embodies the MVA love Faso as a quality, professional manufacturer of photovoltaic inverters http://www.gridtiepowerinverteronline.com/ strong technical strength, which also enhance the industry brand, create high-end brands of domestic inverter first positive impact.

Wo hope electrical PV inverter production

In September this year, Wang Wo Electric Co., Ltd. of Shenzhen City (referred to as "Wo Wang Electric") 500kW photovoltaic inverter and network operation at the Qinghai-site and access to the owners of praise, hope Wo electrical current photovoltaic inverter has been mass this year in September, Wang Wo Electric Co., Ltd. of Shenzhen City (referred to as "Wo Wang Electric") 500kW photovoltaic inverter and network operation in the Qinghai-site and get the owner's home. Wo hope electrical current has begun mass production of photovoltaic inverters.

     Wang Wo Electric Co., Ltd. of Shenzhen City is a focus on new energy electric control system research and development, manufacturing, sales and service of high-tech enterprises, the company has a complete power converter and control system of independent development platform. Wo hope electrical technology and services through independent innovation, continue to create extra value for customers. Our products range covers domestic wind powerinverters and photovoltaic inverters mainstream models, including wind power converter technology research and development in the domestic market has been in a leading position.

Investment in China's high-intensity power grid adaptive research and future new models converter technology research and development in wind turbine torque smooth control, adaptive control grid voltage and grid traversal solution imbalances are in areas such as industry-leading level. As of October this year, Wang Wo Electric Wind Power inverter shipments has more than 2.7 million kilowatts.

     In grid-connected solar photovoltaic field, Wo hope Electric offers a competitive total solutions, including the series of PV inverters, practical convergence, power distribution equipment, improve the monitoring system and provide integrated solutions containers programs. Wo hope Electric offers 250kW, 500kW and 1000kW and other specifications of the solar inverter.

Inverters were made available in a variety of standard type, plateau, low temperature, application type, and other coastal environment configuration. The company 500kW photovoltaic inverter has been certified through EPRI and began mass production of low-voltage crossing.

Rui Fusuo: by technical and price advantage into China PV Inverter Market

December 7 , the first Intersolar exhibition in Beijing National Convention Center. Reporters interviewed the first time at the exhibition site to the famous German photovoltaic inverter manufacturer REFUsol ( Rui Fusuo ) China area sales manager Miss Yao Shang . Headquarters in Metzingen near Stuttgart City REFUsol / GmbH ( Rui Fusuo ) as a power electronics experts , top quality produced in Germany PV inverter has 46 years history .

1997 developed the first inverter PV inverter , currently covers the power output range from 4 kW to 1.3 MW photovoltaic string inverters and centralized PV inverter , inverter products for three consecutive years in the Photon device evaluation in the top. 2011 Rui Fusuo sell well, own-brand sales revenue more than 200 million euros . Looking ahead, Rui Fusuo the Chinese market confidence.

Q: Ms. Yao , Hello ! Welcome to Beijing , please tell us about the development process of the company now ! Yao Shang : Hello ! REFULsol founded in 1965 , is headquartered in Metzingen , Germany City , in Stuttgart next earliest production of the inverter , theinverter market in Europe we have a large share . 1997 With our company strong technical strength developed the first inverter PV inverter , formally enter the photovoltaic industry . Whether its own brand or OEM brand, our products are in the Photon REFUsol evaluation topped .

2012 we officially enter the Chinese PV inverter market in Shanghai, the new plant will produce our full range of products , but also a branch in Shanghai was officially established in early 2012 . Q: First of all congratulations Rui Fusuo Chinese company was founded ! Everyone knows this year China's explosive growth of the PV market , followed by companies in the Chinese PV inverters are also engaged in a fierce competition , the company's competitive advantage and where it ?

    YAO Shang : Our advantages mainly reflected in two aspects . First, the technical advantages. Technology is the core of our market-leading , whether it is efficiency , communications , surveillance or easy installation , scalability, and maintainability , our products are leading the market trend. Our product line covers string , centralized and large-scale PV inverter , power output range from 4 kW to 1.3 MW range. Like the show brought us two flagship products, the three-phase string inverters photovoltaic REFUsol20k and massive centralized PV inverter FERUsol333k, up 98.5% peak efficiency , light weight, degree of protection IP65 , suitable for outdoor installation , stable.

Which REFUsol20k 480V input voltage range of products to 850V, we use a convection cooling technology to achieve cooling, voltage fluctuations on the ground is very small , can also be used for a variety of thin film solar panel , currently in a 1 MW power plant project in Shaanxi have been used for our of products, good working order. Another large-scale inverter has a unique patented UltraRta REFUsol333k circuit topology is suitable for 690V AC voltage , maximum DC voltage up to 1500V, therefore industrial production standard transformers and compensators can be used with which PV inverters supporting the use .

Shizuishan City in 10 MW project has been large-scale application . In addition, we have developed the application of power plants in the desert inverters are equipped with large-scale water cooling system , with the elimination of the shadow function , temperature and offset the impact of clouds on solar power . Meanwhile, in order to facilitate remote monitoring operator efficiency of photovoltaic power generation system , REFUsol provides specialized Internet portal REFUlog, integrated data collector , both day and night can be monitored PV systems ,

Each Rui Fusuo an excuse inverter with charger can be configured to connect the local network and the Internet , which can be anywhere, anytime through a variety of terminal equipment, such as mobile phones , to understand photovoltaic inverter operation. Secondly, it is a price advantage. Since we have a factory in China , equal to the latest technology and products can be mass-produced in China and application of the corresponding production costs lower than in Europe, a large piece . Our profit margin will remain at a low level , the majority of inputs or in technology development .

Fronius plans to enter China in March this year, the PV inverter market

PV inverter manufacturer Fronius With the booming Chinese PV market advantage, in March in Shanghai to establish a branch of its own. The company employs a total of 3,250 employees, the office has 12 employees in sales, after-sales (technical support, service center), and marketing positions.

     The Austrian photovoltaic inverter company doing business in China for the first time in Chongming get a 1MW PV projects and the establishment of an office when.

    

  Fronius China KnutWimberger, Managing Director explains: "We have to meet the Chinese spot market for PV inverter demand in China has a very well developed BIPV market, which is a very critical area, we can offer a large number of specialized photovoltaic products in this core market, 1MW project is very suitable for our on grid inverter specifications. "

     Fronius PV products are 95% through 17 international subsidiaries and sales partners in more than 60 countries are sold worldwide. Fiscal year 2010 the company's total turnover of 499 million euros. The company has 737 patents.