P-Q Circle Diagram Based Parameter Measurement for Permanent Magnet Synchronous Motor Including Iron Loss

Naomitsu Urasaki; Tomonobu Senjyu; Katsumi Uezato

P-Q Circle Diagram Based Parameter Measurement for Permanent Magnet Synchronous Motor Including Iron Loss

Naomitsu Urasaki

Tomonobu Senjyu

Katsumi Uezato

Vol. 3, No. 1, pp. 55-61, Jan. 2003

10.6113/JPE.2003.3.1.55

Permanent magnet synchronous motor

Parameter measurement

P-Q circle diagram

iron loss

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Abstract

This paper presents parameter measurement for permanent magnet synchronous motors based on the P-Q circle diagram. Three electrical parameters of permanent magnet synchronous motors, i.e., the equivalent iron loss resistance, armature inductance, and electrical motive force (emf) coefficient are simultaneously measured. The advantages of this method are that it can be implemented under constant excitation and it dispenses with the generating test for the emf coefficient. The proposed method is applied to a 160W permanent magnet synchronous motor, and then the measurement results are analyzed.

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Cite this article

[IEEE Style]

N. Urasaki, T. Senjyu, K. Uezato, "P-Q Circle Diagram Based Parameter Measurement for Permanent Magnet Synchronous Motor Including Iron Loss," Journal of Power Electronics, vol. 3, no. 1, pp. 55-61, 2003. DOI: 10.6113/JPE.2003.3.1.55.

[ACM Style]

Naomitsu Urasaki, Tomonobu Senjyu, and Katsumi Uezato. 2003. P-Q Circle Diagram Based Parameter Measurement for Permanent Magnet Synchronous Motor Including Iron Loss. Journal of Power Electronics, 3, 1, (2003), 55-61. DOI: 10.6113/JPE.2003.3.1.55.