| 摘要 |
FIELD: electronic engineering. SUBSTANCE: converter has 2m transistors shorted out by diodes and connected into bridge circuit, 2m isolating intermediate amplifiers, control system, shunt inserted in emitter circuit of emitter-group transistors, and protection unit; control system outputs are connected to control inputs of isolating amplifiers whose outputs are connected to power transistors; protection unit input is connected to cut-off inputs of isolating amplifiers of emitter group and second output is connected to cut-off flip-flop input of control system; in addition, it has pulsed transformer with m+1 windings and resistor; transformer primary winding has its starting lead connected through resistor to first terminal of protection unit first output and its finishing lead, to second terminal of protection unit output; transformer secondary windings are connected to cut-off outputs of isolating amplifiers of collector group of transistors. EFFECT: improved operating reliability of converter. 1 dwgf
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