Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 9, 2008
Patent Application Number
11306580
Date Filed
January 3, 2006
Patent Primary Examiner
Patent abstract
An electrical DC-to-AC power conversion apparatus is disclosed that is primarily intended for use with solar photovoltaic sources in electric utility grid-interactive applications. The invention improves the conversion efficiency and lowers the cost of DC-to-AC inverters. The enabling technology is a novel inverter circuit topology, where throughput power, from DC source to AC utility, is processed a maximum of 1½ times instead of 2 times as in prior-art inverters. The AC inverter output configuration can be either single-phase, split-phase or poly-phase.
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