| 摘要 |
FIELD: electrical engineering; electronic phase difference relays. ^ SUBSTANCE: proposed relay that can respond, for instance, to voltage phase difference between supply mains and generator has five threshold units, five AND gates, reversible counter, final element, clock generator, monostable multivibrator, short pulse shaper, averaging filter, three OR gates, and two rectifiers. ^ EFFECT: enlarged functional capabilities. ^ 1 cl, 1 dwg |
