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Our recent observations suggested that harmonics in the field current are very promising to detect stator interturn faults in synchronous machines. So far, an increase in some of the even harmonics in the field current has been reported to detect such faults. However, no explanation has been provided for the cause of these harmonics. Moreover, the even harmonics can significantly increase with supply...
Our recent observations suggested that harmonics in the field current are very promising to detect stator inter-turn faults in synchronous machines. So far, an increase in some of the even harmonics in the field current has been reported to detect such faults. However no explanation has been provided for the cause of these harmonics. Moreover, the even harmonics can significantly increase with supply...
Fault diagnosis is gaining more attention for electric machines running critical loads, whose sudden breakdown can result in unpredictable revenue losses. Consequently the motor drive systems with fault diagnostic and prediction features are of great concern and are becoming almost indispensable. Among all kinds of common faults, quite a few have relationship with unequal air-gap. So far, work on...
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