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Mr. Dubey • 53.08K Points
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Q. Sometimes motor has to be de-rated.

(A) true
(B) false
(C) ---
(D) ---
  • Correct Answer - Option(A)
  • Views: 573
  • Filed under category Electrical Drives and Controls (EDC)
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Explanation by: Mr. Dubey
 derating refers to the operation of equipment at reduced capacity/power or speed. derating in motors can be caused due to the following reasons- frequency, voltage, ambient temperature, altitude.

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