Capacitor intelligent device and monitoring method thereof
A technology of capacitors and energy extraction devices, applied in circuit devices, emergency protection circuit devices, electrical components, etc., can solve the problem of inability to accurately judge the damage degree of faulty capacitors, affecting the normal operation of power system equipment, and heavy inspection and maintenance workloads. problems, to avoid protection blind spots, improve the reliability of safe operation, and save cables.
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[0034] An intelligent capacitor device is composed of a temperature sensor 2 , an energy harvesting device 3 , a current sensor 4 , a multi-channel AD conversion device 5 , a voltage sensor 6 , a wireless transmission module 7 , and a host computer 8 . The energy harvesting device 3 is used to supply power to the multi-channel AD conversion device 5 .
[0035] The voltage, current, and temperature signals of the capacitor 1 are input to the multi-channel AD conversion device 5 by the voltage sensor 6, the current sensor 4, and the temperature sensor 2, and then sent to the user's host computer 8 through the wireless transmission module 7, so that the capacitor voltage can be realized. , Real-time monitoring of current, capacitance and temperature. The upper computer 8 is the user background analysis and diagnosis system, including a data processing system, which processes data for analysis and judgment by the user. The operating personnel can monitor the capacitor at any time...
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