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.Management Sciences
A. the supply voltage and the back e.m.f.
B. magnetising current and back e.m.f.
C. the rotating stator flux and rotor poles
D. none of the above
Related Mcqs:
- An important advantage of a synchronous motor over wound round induction motor is that
- A. its power factor may be varied at will B. its speed is independent of supply frequency C. its speed may be controlled more easily D. none of the above...
- The magnitude of field flux in a 3-phase synchronous motor?
- A. varies with power factor B. varies with speed C. varies with the load D. remains constant at all loads...
- The shaft of synchronous motor is made of____________?
- A. mild steel B. chrome steel C. alnico D. stainless steel...
- To limit the operating temperature an electrical machine should have proper____________?
- A. voltage rating B. current rating C. power factor D. speed...
- A synchronous machine with low value of short-circuit ratio has___________?
- A. lower stability limit B. high stability limit C. good speed regulation D. good voltage regulation E. none of the above...
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