A high-voltage electrical equipment grounding current on-line monitoring device and monitoring method
A technology for high-voltage electrical equipment and grounding current, which is applied in measuring devices, measuring current/voltage, measuring electrical variables, etc., and can solve the problems of accuracy, accuracy to be improved, low measurement accuracy, and imperfect functions, and achieve trigger accuracy. Enhancement, large measurement range, avoid false triggering effect
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[0035] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0036] Such as figure 1 As shown, an online monitoring device for grounding current of high-voltage electrical equipment, including a large current impact counting device and a current detection device for electrical connection;
[0037] The large current impact counting device includes an electrically connected energy storage transformer and a large current signal acquisition transformer. The coil turns ratio of the energy storage transformer is 500:1, and the coil turn ratio of the high current signal acquisition transformer is 50:1. A rectifier module and an energy storage module are sequentially connected to the energy storage transformer, a trigger module, a counting module and a display module are sequentially connected to the high current signal acquisition transformer, the energy storage module is connected to the counting module, the t...
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