| 摘要 |
FIELD: invention is related to transforming equipment engineering, possible use as power source for inducing heater. ^ SUBSTANCE: invention contains one-phased bridge on four transistors 1-4, bridged by opposite diodes 5-8, capacitor 9. Input clamps of one-phased bridge are connected to input clamps of current inverter through throttles of filter 10,11, output clamps 12 of current inverter are bridged by second capacitor 13 and connected to output clamps of one-phased bridge through commutating throttles 14,15. outputs of capacitor 9 is connected to cathode of thyristor 16, anode of which is connected to collector group of one-phased bridge. Second input clamp of capacitor 9 is connected to anode of second thyristor 17, cathode of which is connected to emitter group of one-phased bridge. Cathode of thyristor 16 is connected to positive input clamp of current inverter through resistor 18. Anode of second thyristor 17 is connected to negative input clamp of current inverter through second resistor 19. Thyristor 16 is bridged by oppositely serial circuit, containing diode 20, throttle 21 and third resistor 22. Second thyristor 17 is bridged oppositely to serial circuit, containing second diode 23, second throttle 24 and fourth resistor 25. ^ EFFECT: increased reliability. ^ 1 dwg
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