Review of Detection Methods of Static Eccentricity for Interior Permanent Magnet Synchronous Machine

Anmol Aggarwal and Elias G. Strangas
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Anmol Aggarwal: Department of Electrical and Computer Engineering, Michigan State University, East Lansing, MI 48824, USA
Elias G. Strangas: Department of Electrical and Computer Engineering, Michigan State University, East Lansing, MI 48824, USA

Energies, 2019, vol. 12, issue 21, 1-20

Abstract: This paper compares the detection methods of static eccentricity in Interior Permanent Magnet Synchronous Machines (IPMSM). Four methods are discussed: The first method uses shift in the voltages in d–q plane to detect fault. The second method uses shift in peak of the incremental inductance curve for fault detection. The third method uses the combined information of harmonics present both in current and voltage to detect the fault. This makes the detection robust with respect to current controller bandwidth. Finally, the fourth method used for detection includes measuring vibrations using accelerometers. It is shown that all four methods detected static eccentricity. These methods are compared on the basis of utility of fault detection under online or offline conditions and under saturated conditions. For all four methods the machine was tested at healthy, 25% and 50% static eccentricity levels. Two-dimensional (2-D) Finite element analysis was used for simulating machine under healthy and faulty cases. The experiments were performed by controlling the machine using Labview Real-time.

Keywords: permanent magnet machines; rotating machines; fault detection; finite element analysis (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
References: View complete reference list from CitEc
Citations: View citations in EconPapers (5)

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