Modeling and Analysis of Interturn Short Fault in Permanent Magnet Synchronous Motors With Multistrands Windings

被引:47
作者
Qian, Hao [1 ]
Guo, Hong [1 ]
Ding, Xiaofeng [1 ]
机构
[1] Beijing Univ Aeronaut & Astronaut, Sch Automat Sci & Elect Engn, Beijing 100191, Peoples R China
基金
中国国家自然科学基金;
关键词
Fault diagnosis; interturn short-circuit model; interturn short fault; multistrands winding; permanent magnet synchronous motor (PMSM); PM MACHINES; IDENTIFICATION; DIAGNOSIS; DESIGN;
D O I
10.1109/TPEL.2015.2439574
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This paper develops an analytical model for describing the behaviors of the interturn short fault in the permanent magnet synchronous motors (PMSMs) with multistrands windings. An analysis of the fault modes resulted from the deterioration of insulation in multistrands windings are first carried out. According to the possible fault influences, a consistent expressions of interturn short-circuit current, phase voltages, and electromagnetic torque for modeling the different modes of interturn short faults are then derived. The proposed model allows studying the postfault performances of these motors under transient and steady state, including fault resistance, quadrature- and direct-axis current, or speed variations. Both finite-element analysis and experimental results demonstrate the effectiveness of the developed model for predicting the interturn short-circuit behaviors in the PMSMs with multistrands windings.
引用
收藏
页码:2496 / 2509
页数:14
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