Parameter Identification of a Synchronous Reluctance Motor by using a Synchronous PI Current Regulator at a Standstill

Seon-Hwan Hwang; Jang-Mok Kim; Huynh Van Khang; Jin-Woo Ahn

Parameter Identification of a Synchronous Reluctance Motor by using a Synchronous PI Current Regulator at a Standstill

Vol. 10, No. 5, pp. 491-497, Sep. 2010

10.6113/JPE.2010.10.5.491

Closed loop equations

Electrical parameter estimation

Short pulse

Synchronous PI current regulator

Synchronous reluctance motor

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Abstract

This paper proposes an estimation algorithm for the electrical parameters of synchronous reluctance motors (SynRMs) by using a synchronous PI current regulator at standstill. In reality, the electrical parameters are only measured or estimated in limited conditions without fully considering the effects of the switching devices, connecting wires, and magnetic saturation. As a result, the acquired electrical parameters are different from the real parameters of the motor drive system. In this paper, the effects of switching devices, connecting wires, and the magnetic saturation are considered by simultaneously using the short pulse and closed loop equations of resistance and synchronous inductances. Therefore, the proposed algorithm can be easily and safely implemented with a reduced measuring time. In addition, it does not need any external or additional measurement equipment, information on the motor’s dimensions, and material characteristics as in the case of FEM. Several experimental results verify the effectiveness of the proposed algorithm.

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Cite this article

[IEEE Style]

S. Hwang, J. Kim, H. V. Khang, J. Ahn, "Parameter Identification of a Synchronous Reluctance Motor by using a Synchronous PI Current Regulator at a Standstill," Journal of Power Electronics, vol. 10, no. 5, pp. 491-497, 2010. DOI: 10.6113/JPE.2010.10.5.491.

[ACM Style]

Seon-Hwan Hwang, Jang-Mok Kim, Huynh Van Khang, and Jin-Woo Ahn. 2010. Parameter Identification of a Synchronous Reluctance Motor by using a Synchronous PI Current Regulator at a Standstill. Journal of Power Electronics, 10, 5, (2010), 491-497. DOI: 10.6113/JPE.2010.10.5.491.