Measurement of internal electric field in insulating materials - Pressure wave propagation method
Measurement of internal electric field in insulating materials - Pressure wave propagation method
IEC TS 62836:2020(E) provides an efficient and reliable procedure to test the internal electric field in the insulating materials used for high-voltage applications, using the pressure wave propagation (PWP) method.
It is suitable for a sample with homogeneous insulating materials and an electric field higher than 1 kV/mm, but it is also dependent on the thickness of the sample and the pressure wave generator.
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Version 1 - 2026-06-22
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