FIELD: electrical engineering; switching single-phase transformer load.
SUBSTANCE: thyristor switch control system is provided with rectangular hysteresis loop pulse transformer and noise-suppressing circuits inserted in thyristor switch control circuit. Control system saves information in its memory during intervals in power supply for unlimited time intervals and eliminates inrush magnetizing current when equipment is turned on upon mentioned intervals.
EFFECT: eliminated inrush magnetizing currents in electric circuit reclosure.
1 cl, 3 dwg
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