In Ward-Leonard control the lower limit of speed is imposed by________?
(A) residual magnetism of the generator
(B) core losses of motor
(C) mechanical losses of motor and generator together
(D) all of the above
In Ward-Leonard control the lower limit of speed is imposed by________?
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Related Mcqs
- Previous:Which of the following tests will be suitable for testing two similar D.C. series motors of large capacity ?
- Next:The main disadvantage of the Ward-Leonard control method is______________?
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