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Dergiler / Turkish Journal of Electrical Engineering and Computer Science / 2010 / Cilt: 18 - Sayı: 6

Detection of static eccentricity for permanent magnet synchronous motors using the coherence analysis

Mehmet AKAR
Sezai TAŞKIN
Serhat ŞEKER
İlyas ÇANKAYA
Sayfa
963–974
Yayın Tarihi
2010-06-01
DOI
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In addition to this determination, the eccentricity problem is observed from the torque and rotor speed data comparing with each others as well as current and voltage variations.

📌 3 Maddede Bu Makale

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Amaç & Hipotez:This paper reports on work to detect the static eccentricity faults for permanent magnet synchronous motor (PMSM) using spectral analysis methods.
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Temel Bulgular & Veri:Measurements are carried out by collecting the stator current and voltage, torque and speed for healthy and faulty cases of the motor.
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Sonuç & Katkı:In addition to this determination, the eccentricity problem is observed from the torque and rotor speed data comparing with each others as well as current and voltage variations.
🔬Tür:Araştırma Makalesi
📍Kapsam:Genişletilmiş Akademik Örneklem
⚙️Değişkenler:Permanent magnet synchronous motor · eccentricity · fault diagnosis

Özet

This paper reports on work to detect the static eccentricity faults for permanent magnet synchronous motor (PMSM) using spectral analysis methods. Measurements are carried out by collecting the stator current and voltage, torque and speed for healthy and faulty cases of the motor. Static eccentricity case is formed by changing the rotor position in the manner of sliding the shaft on a horizontal axis. As a result of the spectral analysis for the motor currents, side band effects appeared at around the fundamental frequency are determined as a most important indicator of the eccentricity. In addition to this determination, the eccentricity problem is observed from the torque and rotor speed data comparing with each others as well as current and voltage variations.

Abstract

This paper reports on work to detect the static eccentricity faults for permanent magnet synchronous motor (PMSM) using spectral analysis methods. Measurements are carried out by collecting the stator current and voltage, torque and speed for healthy and faulty cases of the motor. Static eccentricity case is formed by changing the rotor position in the manner of sliding the shaft on a horizontal axis. As a result of the spectral analysis for the motor currents, side band effects appeared at around the fundamental frequency are determined as a most important indicator of the eccentricity. In addition to this determination, the eccentricity problem is observed from the torque and rotor speed data comparing with each others as well as current and voltage variations.

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Bu Makaleye Atıf Yap

AKAR, M., TAŞKIN, S., ŞEKER, S., ÇANKAYA, İ. (2010). Detection of static eccentricity for permanent magnet synchronous motors using the coherence analysis. Turkish Journal of Electrical Engineering and Computer Science, Cilt: 18 - Sayı: 6, 963–974. https://ajindex.com/articles/188798

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Kaynakça (8)

  1. Abbreviations STFT APSD CPSD Cross Power Spectral Density J. Rosero, J. Cusido, A. Garcia, J. Ortega and L. Romeral, “On-line Condition Monitoring Technique for PMSM Operating with Eccentricity”, The 6thIEEE International Symposium on Diagnostics for Electric Machines, Power Electronics and Drives, IEEE SDEMPED, Cracow, Poland, pp. 111-16, 2007. S. Seker, “Determination of Air-Gap Eccentricity in Electric Motors Using Coherence Analysis”, IEEE Power Engineering Review, Vol. 20, No. 7, pp.48-50, 2000. S. Seker and E. Ayaz, “A reliability model for induction motor ball bearing degradation”, Electric Power Components & Systems, Vol. 31 No. 7, 2003, pp: 639-52, 2003.
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  6. J. Rosero, J. Cusido, A. Garcia, J. Ortega and L. Romeral, “Broken Bearings and Eccentricity Fault Detection for a Permanent Magnet Synchronous Motor” (2006), The 32ndAnnual Conference of the IEEE Industrial Electronics Society, Paris - France, pp. 964-69, 2006.
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