Effect of Electrical Steel Grade on Transformer Core Audible Noise

Effect of Electrical Steel Grade on Transformer Core Audible Noise

The effect of different core material grades (M4, MOH and ZDKH) on noise level was investigated experimentally on single-phase dry-type transformer models. Two types of core design were used (conventional mitred overlapping and step-lap overlapping). The models with MOH and ZDKH material have roughl...

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Veröffentlicht in:Journal of magnetism and magnetic materials 1993-09, Vol.133 (1-3), p.607-609
1. Verfasser: Valkovic, Z
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container_title Journal of magnetism and magnetic materials
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creator Valkovic, Z
description The effect of different core material grades (M4, MOH and ZDKH) on noise level was investigated experimentally on single-phase dry-type transformer models. Two types of core design were used (conventional mitred overlapping and step-lap overlapping). The models with MOH and ZDKH material have roughly the same noise levels. The models with M4 grade material have higher noise levels than those with MOH or ZDKH, but the difference depends on core induction and core design.
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title Effect of Electrical Steel Grade on Transformer Core Audible Noise
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