Home Solar Inverters Giga-PV Research Project Successfully Concluded: Cost Reduction For Pv Power Plants In The Earth’s Sun Belt
Giga-PV Research Project Successfully Concluded: Cost Reduction For Pv Power Plants In The Earth’s Sun Belt

Giga-PV Research Project Successfully Concluded: Cost Reduction For Pv Power Plants In The Earth’s Sun Belt

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SMA Solar Technology AG (SMA), TÜV Rheinland and the University of Kassel have, after four years of successful research, completed the collaborative Giga-PV project initiated to optimize large-scale PV power plants for installation in the Earth’s sun belt regions. Achievements include optimum adaptation of individual components to extreme ambient conditions, a new basis for testing and certifying PV inverters and additional cost reductions for PV power plants. Results of the SMA coordinated research project have already been incorporated into new products and form the scientific basis for future innovations.

The Giga-PV research project was supported with approximately €2 million by the Federal Ministry of Education and Research. SMA, TÜV Rheinland and the University of Kassel collaborated closely with PV module manufacturer Hanwha Q.CELLS as an associate partner. Together, they collectively worked to achieve a significant reduction in costs for large-scale PV power plants installed in the Earth’s sun belt and to optimize system concepts, PV modules and inverters. The project is one of many collaborative research projects supported by the Federal Ministry of Education and Research and the Federal Ministry for the Environment, Nature Conservation and Nuclear Safety within the framework of the “Innovationsallianz Photovoltaik” (Alliance for Innovation in Photovoltaics). The project’s success helps strengthen the German photovoltaics industry’s lead in innovation, increase the country’s export potential and develop future growth markets.

“SMA has already applied results from the research project to the development of an innovative, robust 2.5-megawatt PV inverter for direct voltage of 1,500 V,” said Jürgen Reinert, SMA Board Member for Operations und Technology. “The Sunny Central 2500-EV inverter is distinguished by its high power, exceptional robustness and climate-resistance for locations in the Earth’s sun belt. The innovative 1,500-V approach also offers additional system cost advantages compared to conventional 1,000-V PV power plant technology and creates substantial cost reductions.”

Background: The Earth’s sun belt offers superb conditions to harvest solar power. Large-scale PV power plants with power in the gigawatt range that span several square kilometers and feed electric current directly into the high-voltage grid are especially well-suited for this purpose. However, the often extreme climate conditions on-site present a challenge to the plants and their components. These PV plants must be optimized to withstand extreme heat, monsoon rains and desert storms, and at the same time remain economically viable. Against this backdrop, the project oversaw the development of fundamental insights for future, large, cost-optimized and robust PV central inverters in the megawatt class, which were redesigned to accommodate to the specific demands of this application area; comprehensive, optimized large-scale PV power plant system concepts; and testing and certification procedures for the corresponding inverters. A functional inverter model was also developed as a demonstration and tested in the laboratory and in the field.

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Anand Gupta Editor - EQ Int'l Media Network

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