| 摘要 |
FIELD: converter engineering; power supplies for induction heaters. ^ SUBSTANCE: proposed current inverter has single-phase bridge built around four transistors and connected to its input leads through filter chokes, as well as compensating capacitor shunting output leads of current inverter; ac leads of mentioned single-phase bridge are connected to output leads of current inverter through switching chokes; collector group of single-phase bridge is connected to emitter group through series circuit set up of capacitor, diode, and second capacitor; thyristor is connected in parallel opposition to diode; cathode of the latter is connected to collector group through series circuit set up of second diode, choke, and resistor; diode anode is connected to emitter group through series circuit set up of diode, second choke, and second resistor. ^ EFFECT: enhanced operating reliability of current inverter. ^ 1 cl, 1 dwg |
