Национальная Академия Природоохранного И Курортного Строительства
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A half bridge half-wave switch comprises an input bridge rectifier, a transformer, two power transistors, an output rectifier, a capacitive filter, two capacitors, a half-bridge circuit, a primary winding, two control windings and three secondary windings, a rectifying bridge and a capacitor smoothing filter, each control winding is loaded to a diode rectifier and smoothing capacitor and connected to an emitter junction of the corresponding power transistor, one of which comprises a start circuit of half bridge half-wave switch.