Effect of Winding Configuration on the kVA Rating of Wye-connected Autotransformer Applied to 12- pulse Rectifier

Fangang Meng; Qingxiao Du; Lei Gao; Quanhui Li; Zhongcheng Man

Effect of Winding Configuration on the kVA Rating of Wye-connected Autotransformer Applied to 12- pulse Rectifier

Vol. 19, No. 2, pp. 463-474, Mar. 2019

10.6113/JPE.2019.19.2.463

kVA rating

Optimal design

Winding configuration

Wye-connected autotransformer

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Abstract

This paper presents the effect of winding configuration on the kVA rating of a wye-connected autotransformer applied to a 12-pulse rectifier. To describe the winding configuration of the wye-connected autotransformer, position and proportional parameters are defined and their quantitative relation is calculated. The voltages across and currents through the windings are measured under different winding connections. Consequently, a relation between the kVA rating and position parameter is established in accordance with the analysis, and the optimal winding configuration is obtained on the basis of this relation. A wye-connected autotransformer with the least equivalent kVA rating and simplest winding configuration is designed and applied to the 12-pulse rectifier. Simulations and experiments are conducted to validate the theoretical analysis.

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Cite this article

[IEEE Style]

F. Meng, Q. Du, L. Gao, Q. Li, Z. Man, "Effect of Winding Configuration on the kVA Rating of Wye-connected Autotransformer Applied to 12- pulse Rectifier," Journal of Power Electronics, vol. 19, no. 2, pp. 463-474, 2019. DOI: 10.6113/JPE.2019.19.2.463.

[ACM Style]

Fangang Meng, Qingxiao Du, Lei Gao, Quanhui Li, and Zhongcheng Man. 2019. Effect of Winding Configuration on the kVA Rating of Wye-connected Autotransformer Applied to 12- pulse Rectifier. Journal of Power Electronics, 19, 2, (2019), 463-474. DOI: 10.6113/JPE.2019.19.2.463.