Short-Circuit Detection by Means of Empirical Mode Decomposition and Wigner–Ville Distribution for PMSM Running Under Dynamic Condition
Rosero, J.A.
Romeral, L.
Ortega, J.A.
Rosero, E.
ABB Co., Barcelona, Spain;
This paper appears in: Industrial Electronics, IEEE Transactions on
Publication Date: Nov. 2009
Volume: 56,
Issue: 11
On page(s): 4534-4547
ISSN: 0278-0046
INSPEC Accession Number: 10909326
Digital Object Identifier: 10.1109/TIE.2008.2011580
First Published: 2009-01-09
Current Version Published: 2009-10-09
Abstract
This paper presents and analyzes a method for short-circuit fault detection in a permanent-magnet synchronous motor (PMSM). The study includes steady-state condition and speed transients in motor operation. The stator current is decomposed by empirical mode decomposition (EMD), which generates a set of intrinsic mode functions (IMFs). Quadratic time-frequency (TF) distributions such as smoothed pseudo-Wigner-Ville and Zhao-Atlas-Marks are applied on the more significant IMFs for fault detection. Simulations and experimental laboratory tests validate the algorithms and demonstrate that this kind of TF analysis can be applied to detect and identify short-circuit failures in PMSM.
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