ALEXANDRIA, Va., July 28 -- United States Patent no. RE50,971, issued on July 28, was assigned to SMA Solar Technology AG (Niestetal, Germany).
"Photovoltaic power plant" was invented by Uffe Borup (Soenderborg, Denmark) and Frerk Haase (Harrislee, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "In large PV power plants, grounding of individual PV modules may lead to problems. The present invention overcomes such problems. The basis for the invention is a PV power plant comprising one or more PV generators, each comprising a PV string and an inverter with a DC input and an AC output. The PV string comprises at least one PV module and is electrically connected to the DC input of the inverter. The inver...