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The Zero-Sequence Current as a Generalized Diagnostic Mean in Δ-Connected Three-Phase Induction Motors

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In this paper, a new diagnostic mean is introduced for accurate, reliable, and effective diagnosis of faults in deltaconnected induction motors. This mean is the zero-sequence stator current spectrum. The study is carried out with analytical calculations and finite-element method simulations. Most common faults are examined for a 4-kW cage induction motor. The analysis will reveal that the proposed mean is able to successfully identify the static eccentricity fault, even in induction motors which produce
principal slot harmonics, the broken bar fault, the unbalanced voltage supply, and the stator interturn short-circuit. It will also be shown that through the proposed method, it is possible to distinguish
the interturn short-circuit from the unbalanced voltage supply.
Index Terms—Fault diagnosis, finite-element method (FEM), induction motor, zero-sequence current.

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Informasi Detail

Judul Seri

IEEE TRANSACTIONS ON ENERGY CONVERSION

No. Panggil

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Penerbit

New York : IEEE., 2014

Deskripsi Fisik

IEEE TRANSACTIONS ON ENERGY CONVERSION, VOL. 29, NO. 1, MARCH 2014

Bahasa

English

ISBN/ISSN

0885-8969

Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

VOL. 29, NO. 1, MARCH 2014

Subjek

TEKNIK

Info Detail Spesifik

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Pernyataan Tanggungjawab

Yuli/Agus

Versi lain/terkait

Lampiran Berkas

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