FIELD: railway transport. SUBSTANCE: protective gear that has section isolators with operating mechanisms, current sensors, transmitters, communication channel, receiver, control unit, and output unit is provided, in addition, with threshold elements, encodes installed on each sections, decoder, and control unit for operating mechanisms. EFFECT: provision for automatic detection of faulty section followed by its disconnection during no-current interval. 1 dwg
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| PROTECTION DEVICE FOR ALTERNATING CURRENT SUPPLY LINE | 1992 |
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