Frequency and Distance Dependency of Synthetic Ester Breakdown Voltage

Vermeer, Mischa; Ghaffarian Niasar, Mohamad Gaffarian; Wielen, Peter Van Der; Born, D.; Vaessen, Peter

Frequency and Distance Dependency of Synthetic Ester Breakdown Voltage

Conference paper (2024)

Authors

Mischa Vermeer Eindhoven University of Technology

Mohamad Gaffarian Ghaffarian Niasar High Voltage Technology Group

Peter Van Der Wielen Eindhoven University of Technology

D. Born High Voltage Technology Group

Peter Vaessen High Voltage Technology Group

Research Group

High Voltage Technology Group

Frequency Breakdown voltage Electrode distance IEC 60156 Synthetic ester

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Published Date

2024

Language

English

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Research Group

High Voltage Technology Group

Abstract

Due to climate change more power converters are installed in the grid resulting in the injection of (supra-) harmonic currents and voltages in the grid. As part of a larger research, the impact of harmonic frequencies on insulation materials is studied. This paper discusses the results of breakdown voltage tests of synthetic ester liquid with varying frequency and electrode distance. A test cell according to IEC 60156 is used with electrode distance varying from 0.5 mm to 0.1 mm and the frequency is varied from 50 Hz to 2000 Hz. The results indicate a dependency on both electrode distance and fundamental frequency.

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