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Detection of rotor faults in squirrel-cage induction machines at standstill for batch tests by means of the Vienna monitoring method

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3 Author(s)
Kral, C. ; Arsenal Res., Vienna, Austria ; Pirker, F. ; Pascoli, G.

This paper addresses the possibility of integration of an induction machine rotor fault monitoring technique into batch tests. Conventional monitoring techniques are designed for operating conditions near nominal speed and load. Generally, load torque is not available at batch test as the test sample should not or cannot be clutched. However, at standstill, shaft torque and rotor currents are big enough to enable rotor monitoring. Therefore, short-circuit tests are applicable for diagnostic purposes. This application is demonstrated by means of the Vienna Monitoring Method, which is a model-based torque evaluation technique

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Industry Applications, IEEE Transactions on  (Volume:38 ,  Issue: 3 )