FIELD: information technology.
SUBSTANCE: multizone frequency-pulse-duration alternating voltage controller has a terminal, a setting signal source, first and second adders, an integrator, first, second and third relay elements, first, second, third, fourth, fifth and sixth comparators, first, second and third D flip-flops, first, second and third power switches, a load distributed on phases A, B, C, terminals for connecting a three-phase voltage source A, B, C, and output terminals.
EFFECT: high reliability of operation of the voltage controller.
6 dwg
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