Пристрій для контролю струму витоку тролейбуса на маршруті

Abstract

Device for control of leakage current of trolleybus at route has current sensor, three contact wires, three current collectors, body of trolleybus, grounding system, comparator, humidity sensor, six indicators, temperature sensor, master of state of insulation, three pulse counters, block for prediction of leakage current, two analog-digital transformers, block for setting maximal permitted value of leakage current, three elements NOT, three digital comparators, three elements AND, block for zero setting, master of state of road pavement, two memory registers, signal former, block for setting permitted deflection of leakage current, sensor of traction motor operation, subtraction block and velocity sensor.