SSC JE Electrical Engineering 2015 Paper

Question : 124 of 199

Marks: +1, -0

A salient pole synchronous motor is operating at 1/4 full load. If its field current is suddenly switched off, it would?

Solution:

If field current is suddenly switched off of silent pole synchronous motor then motor will work as reluctance motor. Reluctance motor will provide

1/4

th full load and motor continuously run at synchronous speed

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