Factors that Influence Transformer No-Load Current Harmonics

(2000) Factors that Influence Transformer No-Load Current Harmonics. IEEE Transactions On Power Delivery, 15 (1). pp. 163-166.

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Abstract

The harmonic components of the no-load current are influenced by many factors. These factors are the flux density, the degree of saturation and the core stacking technique. This paper tested many transformers for the no-load current and its harmonic components. A slight over-excitation results in a substantial increase of the THD level. The increase in the THD is not linear with the flux density. Also this work has demonstrated that having a lower no-load current should not be an indication of lower harmonics. The simulation of the transformer through the use of nonlinear inductors and resistors provided reasonable accuracy.

Item Type: Article
Subjects: Electrical
Divisions: College Of Engineering Sciences > Electrical Engineering Dept
Depositing User: Obaid-Ur-Rehman Khattak
Date Deposited: 24 Mar 2008 16:34
Last Modified: 01 Nov 2019 16:24
URI: http://eprints.kfupm.edu.sa/id/eprint/701