| 摘要 |
FIELD: electrical engineering. ^ SUBSTANCE: invention can be used as synchronization ensuring automation of process of synchronous generator switching on. Synchronization relay has two inverting amplifiers, two formers of rectangular pulses, former of short-pulse sequence, phase detector, integrating operational amplifier, comparator, low-pass filter, single-shot multivibrator, clock pulse generator, AND gate, two delay elements, two pulse counters, storage register, multiplier by constant coefficient. ^ EFFECT: enhanced functional precision of relay. ^ 2 dwg |
