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Capacitance current is an important parameter for single phase ground fault protection and control in ineffectively earthed power systems. A novel method for the capacitance current measurement is presented in the paper. An adjustable reactor is in series connection with the open-delta side of a zero sequence voltage transformer. System resonance frequency is sought by injecting a current signal with...
Capacitance current is an important parameter for single phase grounding faults protection and control in ineffectively earthed power systems. A novel method for the capacitance current measuring is presented in the paper. With injecting a tested signal into the open-delta secondary of the voltage transformer, the voltage of the open-delta secondary and the voltage of the star secondary are measured...
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