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Shravan@hyderabad

· started a discussion

· 1 Months ago

Hii (Question: 332161.0 )

When excitation zero it have reluctance powee so it rotates at syn speed B CORRECT

Question:

A salient-pole synchronous motor is operating at 14 full-load. If its field current is suddenly switched off, it would

Options:
A)

stop running

B)

continue to run at synchronous speed

C)

run at sub-synchronous speed 

D)

run at super-synchronous speed

Solution:

Ans:(c) A salient-pole synchronous motor is operating at 14 of full-load. If its Field current is suddenly switched off, it would run at sub-synchronous speed

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