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Abstract
High voltage varistors that consist of grained ZnO have to be tested before assembling into a surge arrester. The existing methods demand a usage of high voltages and intensive currents that is inconvenient, destructive and needs extensive power consumption. Additionally, these methods require metallization of the prepared varistor structures that increases costs. We propose another method of varistors quality assessments by a third harmonic index measurement at relatively low voltage range. In this experimental study it has been proved that the proposed procedure can be applied successfully for preliminary selection of the tested structures.
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- Category:
- Articles
- Type:
- artykuł w czasopiśmie z listy filadelfijskiej
- Published in:
-
Metrology and Measurement Systems
no. 15,
pages 23 - 31,
ISSN: 0860-8229 - Language:
- English
- Publication year:
- 2008
- Bibliographic description:
- Hasse L., Smulko J.: Quality assessment of high voltage varistors by third harmonic index// Metrology and Measurement Systems. -Vol. 15., nr. nr 1 (2008), s.23-31
- Verified by:
- Gdańsk University of Technology
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