Patent ID: 7463500
Filing Date: 2008-12-09
Classification: H02J,H02M,Y02E

Abstract:
1. An electrical power converter apparatus for converting power from a DC source into AC power and comprising; a bipolar energy storage element having bipolar voltages with respect to a common point, a DC-to-DC power converter with inverted input and output voltages with respect to said common point and a DC-to-AC converter, and furthermore, where said DC source is connected across one monopole of said bipolar energy storage element and across the input of said DC-to-DC power converter and where the output of said DC-to-DC power converter is connected to the remaining monopole of said bipolar energy storage element and where said DC-to-AC converter converts the voltages across said bipolar energy storage element into current-regulated sine waves, synchronized with an electrical utility voltage or voltages, and sources power into an electrical utility grid.