Пристрій для контролю ресурсу комутаційних апаратів

Abstract

The proposed device for checking the service life of a switching unit contains a current transducer, a current converter, three comparators, two monostable multivibrators, two pulse generators, three NOT logic elements, four AND logic elements, three pulse counters, a trigger, a differentiator, three OR logic elements, a register, a reset circuit, a pulse former, a time delay element, a commutation detector, a digitally-controlled switch, a functional converter, a unit for selecting the switching unit, and additionally, the fourth NOT logic element, the third monostable multivibrator, the second digitally-controlled switch, and the fourth pulse counter.