Title :
Research on stator and rotor winding double fault in squirrel cage induction motors
Author :
Xu, Boqiang ; Sun, Liling ; Li, Heming
Author_Institution :
Sch. of Electr. Eng., North China Electr. Power Univ., Baoding
Abstract :
The double fault in squirrel cage induction motors, which means that rotor bar breaking fault and stator winding inter-turn short circuit fault are present simultaneously, has been investigated based on the motor multi-loop model. The results indicate that the features of rotor bar breaking fault and stator winding inter-turn short circuit fault always interlace and interact to some extent. The detection method, which is only suitable for single fault, may lead to a misinterpretation. In this paper, the double fault feature of rotor bar breaking and stator winding inter-turn short circuit has been summarized and the mutual relationship of the two types of fault has been disclosed by thoroughly analyzing the simulation and experiment results. As establishes a solid theoretical foundation for joint detection of rotor bar breaking and stator winding inter-turn short circuit double fault
Keywords :
fault diagnosis; rotors; short-circuit currents; squirrel cage motors; stators; motor multiloop model; rotor; rotor bar breaking fault; squirrel cage induction motors; stator; stator winding interturn short circuit fault; winding double fault; Analytical models; Circuit faults; Electrical fault detection; Fault detection; Frequency; Induction motors; Mathematical model; Rotors; Stator windings; Transient analysis; detection; double fault; induction motor; multi-loop model; rotor bar breaking; stator winding inter-turn short circuit;
Conference_Titel :
Power Engineering Society General Meeting, 2006. IEEE
Conference_Location :
Montreal, Que.
Print_ISBN :
1-4244-0493-2
DOI :
10.1109/PES.2006.1709316
