FIELD: conversion engineering. SUBSTANCE: device has two units 15 and 16 for separation of alternate voltage and unit 17 for separation of difference of alternate voltages (unit 17 is connected to outputs of units 15 and 16), current meter 18, additional controllable and non-controllable resistors 19 and 23, single-phase bridge rectifier 20 and two switching units 21 and 22. Units 18, 19 and 23, 20 and 21, 22 are brought into the device newly to provide control of diodes condition and condition of their isolation units. EFFECT: improved efficiency of operation. 1 dwg
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