Detection of Inter-turn Short Circuit Faults in Permanent Magnet Synchronous Motors with Multi strands Windings

被引:0
作者
Kim, Seongyun [1 ]
Jeong, Hyeyun [1 ]
Lee, Hojin [1 ]
Kim, Sang Woo [1 ]
机构
[1] Pohang Univ Sci & Technol, Dept Elect Engn, Pohang, South Korea
来源
IECON 2021 - 47TH ANNUAL CONFERENCE OF THE IEEE INDUSTRIAL ELECTRONICS SOCIETY | 2021年
关键词
strand fault; single strand fault; parallel strand fault; stationary dq currents; Hilbert transform; FEM;
D O I
10.1109/IECON48115.2021.9589780
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
In Permanent Magnet Synchronous Motors (PMSMs) with multistrands windings, inter-turn short circuit (ITSC) faults occur in two types. One is that the ITSC fault occurs between two spots of a single strand and the other is that the ITSC fault occurs between two different strands. We proposed a fault indicator to detect two types of inter-turn short circuit faults in PMSMs that have multistrands windings. The fault indicator is calculated from stationary dq currents and their Hilbert transforms. The fault indicator converges to zero in healthy state but increases proportionally to the severity of the fault in faulty state. We validated the fault indicator with finite element method (FEM) simulation data. The proposed fault indicator only uses current data, so the indicator is simple and efficient tool to detect ITSC faults in PMSMs with multistrands windings.
引用
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页数:6
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