Open Circuit Fault Diagnosis Using Stator Resistance Variation for Permanent Magnet Synchronous Motor Drives

Byoung-Gun Park; Rae-Young Kim; Dong-Seok Hyun

Open Circuit Fault Diagnosis Using Stator Resistance Variation for Permanent Magnet Synchronous Motor Drives

Byoung-Gun Park

Rae-Young Kim

Dong-Seok Hyun

Vol. 13, No. 6, pp. 985-990, Nov. 2013

10.6113/JPE.2013.13.6.985

Fault diagnosis

Open switch fault

Parameter Estimation

Permanent magnet synchronous motor (PMSM)

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Abstract

This paper proposes a novel fault diagnosis scheme using parameter estimation of the stator resistance, especially in the case of the open-phase faults of PMSM drives. The stator resistance of PMSMs can be estimated by the recursive least square (RLS) algorithm in real time. Fault diagnosis is achieved by analyzing the estimated stator resistance of each phase according to the fault condition. The proposed fault diagnosis scheme is implemented without any extra devices. Moreover, the estimated parameter information can be used to improve the control performance. The feasibility of the proposed fault diagnosis scheme is verified by simulation and experimental results.

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Cite this article

[IEEE Style]

B. Park, R. Kim, D. Hyun, "Open Circuit Fault Diagnosis Using Stator Resistance Variation for Permanent Magnet Synchronous Motor Drives," Journal of Power Electronics, vol. 13, no. 6, pp. 985-990, 2013. DOI: 10.6113/JPE.2013.13.6.985.

[ACM Style]

Byoung-Gun Park, Rae-Young Kim, and Dong-Seok Hyun. 2013. Open Circuit Fault Diagnosis Using Stator Resistance Variation for Permanent Magnet Synchronous Motor Drives. Journal of Power Electronics, 13, 6, (2013), 985-990. DOI: 10.6113/JPE.2013.13.6.985.