| 摘要 |
FIELD: relay protective gear. SUBSTANCE: relay designed for use as transformer ratio regulating relay depending for its operation on generation of transformation ratio control signals within entire period of inadmissible supply voltage deviations has four comparison units, RS flip-flop, two final elements, two leading-edge pulse shapers, two OR gates, three AND gates, and monostable multivibrator. EFFECT: enhanced precision. 1 cl, 2 dwg |
