Analysis of Measuring Methods of Grounding Insulation Resistance and Distributed Capacitance of Underground Low-voltage Power Grid

Analysis of Measuring Methods of Grounding Insulation Resistance and Distributed Capacitance of Underground Low-voltage Power Grid

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In order to verify accuracy of values of grounding insulation resistance and distributed capacitance of underground low-voltage power grid measured by AC voltammetry and AC-DC voltammetry, read more the paper introduced theory analysis and deduction of calculating formula of the two methods, and made feline 1-hcpch vaccine comparison for measuring results of the two methods by use of analog circuit of underground low-voltage power grid.It got conclusion that the error of values of grounding insulation resistance and distributed capacitance measured by AC-DC voltammetry is smaller.