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Shangneng Electric’s world’s first 250kW string inverter

On November 4, 2020, Shangneng Electric's 250kW string inverter was launched globally, with a maximum efficiency of 99.03%, which is perfectly adapted to 182/210 large-size silicon wafer components. This product is the best cost per kilowatt-hour scheme created by Sunneng Electric to welcome the new "big" era of large-scale, high-current, and high-power that has already come, and for larger-scale photovoltaic power stations. It has upgraded appearance, full internal score, and in-depth interpretation. Connotation of technological innovation, fully empowering photovoltaic grid parity.


At the press conference, Li Junfeng, director of the Renewable Energy Professional Committee of the China Energy Research Society, said that with the accelerated application of innovative technologies, the photovoltaic industry is transforming from rapid development to high-quality development. Photovoltaics, whether in terms of technology or scale of production, have the conditions to promote the development of clean energy and low-carbon development, and will play a positive role in sustainable economic development in the future. These achievements are inseparable from the efforts of many outstanding companies. Shangneng Electric, as an important member, has been providing high-quality technologies and products to the industry, and has made substantial contributions to the reduction of photovoltaic power generation costs. We believe that the new products launched by Shangneng Electric this time will continue to bring high-value empowerment to the efficient use of photovoltaics and lead the development of the photovoltaic industry.

At the meeting, Shangneng Electric President Duan Yuhe stated that, as the world's leading provider of new energy equipment manufacturing and solutions, Shangneng Electric has always taken photovoltaics as its core business, continuously increased its technological research and development, and upgraded product performance through technological innovation. Customers bring more efficient and ultimate service experience, bringing new changes to the photovoltaic industry. He emphasized that Shangneng Electric looks forward to taking this new product launch as an opportunity to cooperate with more companies around the world, continue to promote the wider application of clean energy on a global scale, and accelerate the energy transition process.


At the scene, Wang Yuelin, general manager of the Solution Division of Sunneng Electric, delivered a speech with the theme of "Extraordinary·Innovation", explaining the innovation highlights and technical advantages of SP-250K-H in detail. The inverter is blessed by new technology to achieve a rated output power of 250kW and a maximum output power of 275kW, which is the highest power level in the industry. It adopts scientific design and the maximum current of the branch reaches 20A, which is perfectly compatible with 182 and 210 large-size components; The design of 24-channel string branch input can support up to 2 times over configuration, which can reduce the system cost by 0.35 yuan/W. The big difference is more than that. SP-250K-H adopts 2 strings and 1 channel MPPT, no fuse design, which not only greatly improves the reliability of the product, but also effectively avoids power loss. It also achieves a maximum efficiency of 99.03% through the use of a "core" design, leading the inverter to a high In the era of efficiency, maximize the power generation revenue of various scenarios and applications, thereby creating high value for customers.


Behind the advanced technology is constantly pushing the limits. As the third-generation 1500V high-power string inverter developed by Shangneng Electric after the 175kW and 225kW models, this product can be said to be an outdoor "handle handle" that has been tempered and refined, with IP66 protection and C5 corrosion protection. Designed to be able to operate stably in the environment of -30℃~60℃ for a long time without fear of high wind and sand, strong coastal corrosion, high and low temperature and other environments, guaranteeing 25 years of ultra-high returns. To seize the technological heights and meet the needs of the "big" era, the SP-250K-H has many technical highlights, which are worth checking out.


With the rapid development of the new energy industry, a new era of electrified energy and clean electricity is coming. Renewable energy, mainly photovoltaic and wind power, is becoming the backbone of China's energy structure adjustment and ushering in new development opportunities. Looking to the future, the SP-250K-H string inverter of Shangneng Electric, which is perfectly adapted to large-size modules, will become the "new favorite" of the market and customers, further accelerating the expansion and application of photovoltaics, and promoting photovoltaics to become the most economical power source. Energy helps photovoltaics become the vanguard in the energy transition.


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