Test Method for Resistive Current of Arrester for Cable Line Based on Phase Search

摘要

Resistive monitoring method for conventional arrester is not applicable to cable line and it is also not easy to get access to voltage signal. In this thesis, a new method for testing resistive current is adopted, in which the only job is to collect the total leakage current of arrester, simulate a reference signal based on total current information, conduct phase shift to realize phase correction and find out the phase of capacitive component and resistive component, and thus the test on resistive current of arrester for cable line is completed.