A Survey of Broken Rotor Bar Fault Diagnostic Methods of Induction Motor

A Survey of Broken Rotor Bar Fault Diagnostic Methods of Induction Motor

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Electrical machines, induction motors in particular, play a key role in domestic and industrial applications.They act as a work horse in almost every industry and are responsible for a big proportion of total generated electricity consumption worldwide.The faults in induction motors are degenerative in nature and can lead gemplers coupon to a catastrophic situation if not diagnosed earlier.

The failures can cause considerable financial loss in the form of unexpected downtime.Broken rotor bar is a very common and alesmith tower of flower frequently occurring fault in most of industrial induction motors.To select a better, more accurate and reliable fault diagnostic technique, this paper presents a comprehensive literature survey on the existing motor current signature analysis (MCSA) based fault diagnostic techniques.

Different well-known MCSA based fault diagnostic techniques are summarized in the form of basic theories, considering complexity of their implementation, merits and demerits.