Field sensor for linearity measurement of high voltage capacitor

Suomalainen, Esa-Pekka; Hällström, Jari; Lahti, Kari (2022-12)
 
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Suomalainen, Esa-Pekka
Hällström, Jari
Lahti, Kari
12 / 2022


Proceedings of the Conference on Precision Electromagnetic Measurements (CPEM)
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https://urn.fi/URN:NBN:fi:tuni-202403142875

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Peer reviewed
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High voltage capacitors are used in high voltage measurements as a part of a measuring system. According to IEC 60060-2 calibration of voltage measuring system is sufficient with 20 % of nominal voltage. Few methods are presented in the standard how linearity test could be performed for AC measuring system. This paper describes a simple method how to use field sensor to measure capacitance dependency up to nominal voltage. Some linearity test results are presented.
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