METHOD OF CONVERTING A DIRECT CURRENT VOLTAGE FROM A SOURCE OF DIRECT CURRENT VOLTAGE INTO AN ALTERNATING CURRENT VOLTAGE, STRUCTURE OF CIRCUIT ARRANGEMENT, AND INVERTER

摘要

An alternating current (AC) voltage circuit is decoupled from a direct current (DC) voltage circuit during free-wheeling phases using switching elements (V1-V4) arranged in the direct current voltage circuit, so that free-wheeling current flows through one of free-wheeling diodes (D1-D4) in decoupled state. Independent claims are also included for the following: (1) circuit arrangement for converting direct current voltage to alternating current voltage; and (2) inverter.