CURRENT INVERTER Russian patent published in 2008 - IPC H02M7/521 

FIELD: transformation equipment, possible use as power supply for inductive heating plants.

SUBSTANCE: current inverter contains two filter throttles (1), (1), one-phased bridge based on four switch elements, cathode group of which is made on thyristors (3), (4), bridged by serial circuits containing capacitor (5), (6) and resistor (7), (8), and anode group is based on diodes (9), (10), in alternating current diagonals of which serial circuit is coupled which contains commutating throttle (11), capacitor (12), bridging output contacts (13) of current inverter, and second commutating throttle, bridged by second capacitor (15) and voltage limiter (16). Filter throttles are coupled serially with diodes of anode group of one-phased bridge. Anode group of one-phased bridge is connected to positive input contact of current inverter. Cathode group of one-phased bridge is connected to negative input contact of current inverter.

EFFECT: increased efficiency of current inverter.

1 dwg