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The Fraunhofer Institute for Solar Energy Systems (ISE) and Bureau Veritas have issued a report on the efficiency of AEG Power Solutions’ Protect PV.250 solar inverter for utility-grade applications.

Energy conversion efficiency testing conducted according to European Standard EN 50530 yielded an efficiency grade of 98.7 per cent.

Testing was conducted at eight different power levels, nine DC voltage levels and for two module technologies (thin-film and crystalline technology, both used in solar farms).

MPPT testing, performed by ISE according to the same European EN 50530 standard, yielded a maximum power point (MPP) efficiency grade of 99.99 per cent.

ISE also reported that the PV.250 inverter, launched in September 2009, complies with EN 50530 dynamic requirements.

Testing was conducted by Fraunhofer ISE, a solar energy research institute in Europe, and Bureau Veritas, a specialist in the inspection, analysis, audit and certification of products, infrastructure and management systems according to regulatory or voluntary standards.

Designed for power plants generating from one to several hundred megawatts, the Protect PV.250 inverter is manufactured in Warstein-Belecke, Germany.

Orders totalling 40MW had been booked by the end of the second quarter, mainly for Germany, the Czech Republic and Italy, but also for Belgium and France.

Certification for Italian grid operator ENEL has also been achieved.

This means that the Protect PV.250 will soon be included in the ENEL listing.

The first Protect PV.250 was installed as part of the equipment on a solar farm in Hungen, Germany.

With DC voltage capability up to 1,000V, the Protect PV.250 enables customers to achieve optimal power efficiency thanks to its field-programmable gate array (FPGA) control system.

Specifically engineered to meet the requirements of utility-grade applications, the Protect PV.250 can be customised to each application thanks to a range of available options and its container design.

AEG Power Solutions provides UPS systems, power conversion modules, industrial chargers and DC systems for use within the data, IT, industrial, power generation, transport, oil, gas and solar sectors.

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