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Article | REF: R1035 V2

High voltage measurement

Authors: Alain LEFÈVRE, Jean-Marie POTEL, François BERNOT

Publication date: December 10, 2003

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4. Various tests

4.1 Measurement of DC voltages, surge voltages and peak voltages by spintermeter

The spintermeter method, or sphere spark gap, is used to check that a voltage value is reached, while ensuring that this value is not exceeded. At the pre-determined voltage, the spark gap fires, guaranteeing that the condition is not exceeded.

The recommended geometry is described in NF EN 60052 . There are tables giving ignition voltages as a function of sphere diameter and spacing, on the one hand for peak voltages of AC voltages, DC voltages and negative...

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