Distribution network line ground potential inspection device and method
A technology for checking devices and ground potential, applied in the direction of measuring devices, fault locations, measuring electricity, etc., can solve problems such as the lack of effective technical means, and achieve the effects of preventing large-scale power outages, shortening line inspection time, and quickly detecting and locating
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[0036] Such as figure 1 As shown, a distribution network line ground potential inspection device includes a microprocessor unit 01, and a voltage unit and a current sampling unit respectively connected to the microprocessing unit 01; the voltage unit includes a power management circuit 05, the The output terminal of the power management circuit 05 is connected to the input terminal of the switching DC boost circuit 06, the output terminal of the switching DC boost circuit 06 is connected to the input terminal of the full-bridge inverter circuit 08, and the output terminal of the full-bridge inverter circuit 08 is connected to the LC filter circuit The input end of 07; the output end of the LC filter circuit 07 is divided into two paths, one path is connected to the input end of the voltage transformer 04, and the other path of the output end of the LC filter circuit 07 passes through the voltage sampling circuit 09 and the microprocessor unit 01 connected. The output terminal...
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