Simple Estimation Scheme for Initial Rotor Position and Inductances for Effective MTPA-Operation in Wind-Power Systems using an IPMSM

Yi-Kyu Kang; Hea-Gwang Jeong; Kyo-Beum Lee; Dong-Choon Lee; Jang-Mok Kim

Simple Estimation Scheme for Initial Rotor Position and Inductances for Effective MTPA-Operation in Wind-Power Systems using an IPMSM

Vol. 10, No. 4, pp. 396-404, Jul. 2010

10.6113/JPE.2010.10.4.396

initial rotor position

IPMSM

MTPA

Synchronous Inductance

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Abstract

This paper presents simple schemes used to estimate the initial rotor position and the d- and q-axis inductances for effective Maximum Torque per Ampere (MTPA) operation in a wind-power system using an IPMSM (Interior Permanent Magnet Synchronous Machine). An IPMSM essentially requires an exact coordinate transformation and accurate inductance values to use a reluctance torque caused by the saliency characteristic. In the proposed high-frequency voltage testing method, there is no voltage drop caused by the resistance and the electromotive force. The initial rotor position and the inductance can be measured through an analysis of the stator current without turning the rotor. The experimental results are presented in order to illustrate the feasibility of the proposed method.

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Cite this article

[IEEE Style]

Y. Kang, H. Jeong, K. Lee, D. Lee, J. Kim, "Simple Estimation Scheme for Initial Rotor Position and Inductances for Effective MTPA-Operation in Wind-Power Systems using an IPMSM," Journal of Power Electronics, vol. 10, no. 4, pp. 396-404, 2010. DOI: 10.6113/JPE.2010.10.4.396.

[ACM Style]

Yi-Kyu Kang, Hea-Gwang Jeong, Kyo-Beum Lee, Dong-Choon Lee, and Jang-Mok Kim. 2010. Simple Estimation Scheme for Initial Rotor Position and Inductances for Effective MTPA-Operation in Wind-Power Systems using an IPMSM. Journal of Power Electronics, 10, 4, (2010), 396-404. DOI: 10.6113/JPE.2010.10.4.396.