| 摘要 |
FIELD: electrical engineering, synchronism controlling relays for lines with bilateral power supply. SUBSTANCE: synchronism controlling relay incorporates three comparators, final-control element, two RS flip-flops, three formers of short pulses by difference in input signal, three OR gates, pulse counter, one-shot multivibrator, AND gate, clock pulse generator. EFFECT: enhanced functional accuracy of relay. 2 dwg |
