Fault Analysis and Detection in Electric Machinery

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Condition based monitoring (CBM) of electric machines has become a very important research topic in recent years. Existing protective schemes such as over-current, over-voltage, earth-fault, etc. are sometimes inadequate and slow to detect and isolate faults developing in motors and generators. This may cause damage to the product line, interrupt very important processes, leading to heavy financial losses or under certain conditions even loss of life. Thus it is very important to diagnose faults on line and at their very inception, so that these faults do not propagate to major catastrophes.