The zero-sequence current spectrum as an on-line static eccentricity diagnostic mean in Δ-connected PSH-induction motors

K. N. Gyftakis; J. C. Kappatou

doi:10.1109/DEMPED.2013.6645732

The zero-sequence current spectrum as an on-line static eccentricity diagnostic mean in Δ-connected PSH-induction motors

K. N. Gyftakis
, J. C. Kappatou

School of Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

It has been reported that the only-static and only-dynamic eccentricity cannot be reliably detected in induction motors which produce Principal Slot Harmonics (PSH) with the use of the traditional MCSA method. Most work was focused in the detection of dynamic and mixed, rather than static eccentricity. In this paper, the detection of the only-static eccentricity fault in Δ-connected induction motors with the use of the zero-sequence current spectrum is thoroughly investigated. The frequency spectrum of the zero-sequence current is studied with the application of the Fast Fourier Transform in a PSH-induction motor operating under different constant speed cases and for different fault levels. The work is carried out with transient FEM simulations. The results will show that the proposed method succeeds in the only static eccentricity diagnosis and its severity, while the MCSA proves to be unreliable.

Original language	English
Title of host publication	Proceedings - 2013 9th IEEE International Symposium on Diagnostics for Electric Machines, Power Electronics and Drives, SDEMPED 2013
Publisher	Institute of Electrical and Electronics Engineers
Pages	302-308
Number of pages	7
ISBN (Print)	9781479900251
DOIs	https://doi.org/10.1109/DEMPED.2013.6645732
Publication status	Published - 1 Jan 2013
Event	2013 9th IEEE International Symposium on Diagnostics for Electric Machines, Power Electronics and Drives, SDEMPED 2013 - Valencia, Spain Duration: 27 Aug 2013 → 30 Aug 2013

Conference

Conference	2013 9th IEEE International Symposium on Diagnostics for Electric Machines, Power Electronics and Drives, SDEMPED 2013
Country/Territory	Spain
City	Valencia
Period	27/08/13 → 30/08/13

Keywords / Materials (for Non-textual outputs)

Fault diagnosis
FEM
induction motor
static eccentricity

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10.1109/DEMPED.2013.6645732

Cite this

Gyftakis, K. N., & Kappatou, J. C. (2013). The zero-sequence current spectrum as an on-line static eccentricity diagnostic mean in Δ-connected PSH-induction motors. In Proceedings - 2013 9th IEEE International Symposium on Diagnostics for Electric Machines, Power Electronics and Drives, SDEMPED 2013 (pp. 302-308). Article 6645732 Institute of Electrical and Electronics Engineers. https://doi.org/10.1109/DEMPED.2013.6645732

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title = "The zero-sequence current spectrum as an on-line static eccentricity diagnostic mean in Δ-connected PSH-induction motors",

abstract = "It has been reported that the only-static and only-dynamic eccentricity cannot be reliably detected in induction motors which produce Principal Slot Harmonics (PSH) with the use of the traditional MCSA method. Most work was focused in the detection of dynamic and mixed, rather than static eccentricity. In this paper, the detection of the only-static eccentricity fault in Δ-connected induction motors with the use of the zero-sequence current spectrum is thoroughly investigated. The frequency spectrum of the zero-sequence current is studied with the application of the Fast Fourier Transform in a PSH-induction motor operating under different constant speed cases and for different fault levels. The work is carried out with transient FEM simulations. The results will show that the proposed method succeeds in the only static eccentricity diagnosis and its severity, while the MCSA proves to be unreliable.",

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Gyftakis, KN & Kappatou, JC 2013, The zero-sequence current spectrum as an on-line static eccentricity diagnostic mean in Δ-connected PSH-induction motors. in Proceedings - 2013 9th IEEE International Symposium on Diagnostics for Electric Machines, Power Electronics and Drives, SDEMPED 2013., 6645732, Institute of Electrical and Electronics Engineers, pp. 302-308, 2013 9th IEEE International Symposium on Diagnostics for Electric Machines, Power Electronics and Drives, SDEMPED 2013, Valencia, Spain, 27/08/13. https://doi.org/10.1109/DEMPED.2013.6645732

The zero-sequence current spectrum as an on-line static eccentricity diagnostic mean in Δ-connected PSH-induction motors. / Gyftakis, K. N.; Kappatou, J. C.
Proceedings - 2013 9th IEEE International Symposium on Diagnostics for Electric Machines, Power Electronics and Drives, SDEMPED 2013. Institute of Electrical and Electronics Engineers, 2013. p. 302-308 6645732.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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N2 - It has been reported that the only-static and only-dynamic eccentricity cannot be reliably detected in induction motors which produce Principal Slot Harmonics (PSH) with the use of the traditional MCSA method. Most work was focused in the detection of dynamic and mixed, rather than static eccentricity. In this paper, the detection of the only-static eccentricity fault in Δ-connected induction motors with the use of the zero-sequence current spectrum is thoroughly investigated. The frequency spectrum of the zero-sequence current is studied with the application of the Fast Fourier Transform in a PSH-induction motor operating under different constant speed cases and for different fault levels. The work is carried out with transient FEM simulations. The results will show that the proposed method succeeds in the only static eccentricity diagnosis and its severity, while the MCSA proves to be unreliable.

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Gyftakis KN, Kappatou JC. The zero-sequence current spectrum as an on-line static eccentricity diagnostic mean in Δ-connected PSH-induction motors. In Proceedings - 2013 9th IEEE International Symposium on Diagnostics for Electric Machines, Power Electronics and Drives, SDEMPED 2013. Institute of Electrical and Electronics Engineers. 2013. p. 302-308. 6645732 doi: 10.1109/DEMPED.2013.6645732

The zero-sequence current spectrum as an on-line static eccentricity diagnostic mean in Δ-connected PSH-induction motors

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