An Early Stage Interturn Fault Diagnosis of PMSMs by Using Negative-Sequence Components
SCIE
SCOPUS
- Title
- An Early Stage Interturn Fault Diagnosis of PMSMs by Using Negative-Sequence Components
- Authors
- Jeong, H.; Moon, S.; Kim, S.W.
- Date Issued
- 2017-07
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Abstract
- This paper proposes an early stage interturn short-circuit fault (ISCF) diagnosis method for permanent magnet synchronous machines. A fault indicator is suggested based on a new theoretical analysis of the relationship between the fault current and the rotor speed. The fault indicator is shown to be robust to the rotor speed changes in slight ISCFs. It is calculated by introducing negative-sequence components (NSCs). It is shown that the fault indicator using NSCs can diagnose slighter ISCFs than that using zero-sequence components. Experimental results demonstrate the effectiveness of the proposed method for diagnosing early stage ISCFs with a small number of short-circuited turns and low fault current. ? 1982-2012 IEEE.
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/50975
- DOI
- 10.1109/TIE.2017.2677355
- ISSN
- 0278-0046
- Article Type
- Article
- Citation
- IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, vol. 64, no. 7, page. 5701 - 5708, 2017-07
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