Intelligent fault judging device for self-closed through line of railway distribution network
A technology for fault diagnosis and power distribution network, applied in fault location, energy-saving ICT, sustainable buildings, etc.
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[0009] Referring to the accompanying drawings, the present invention mainly includes a fault judging unit and a radio frequency transmission unit, and the fault judging unit includes a current sensor 101, a voltage sensor 102, an overcurrent protection module 103, an overvoltage protection module 104, an overcurrent fault judging module 105, and a quick-break fault judging module. Module 106, microprocessor 109, power-down detection module 110, diagnosis module 111, fault display control module 108, the current sensor transmits the current parameters collected to the overcurrent fault judgment module and the quick-break fault judgment module after passing through the current protection module, and the voltage The sensor transmits the collected voltage parameters to the over-current fault judgment module and the quick-break fault judgment module through the voltage protection module. and fault phase judgment processing, the first output port is to transmit the processed fault da...
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Abstract
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