By which of the following methods motor rating for variable load drives can be determined ?
Correct answer: E. All of the above
- A. Method of average losses
- B. Equivalent current method
- C. Equivalent torque method
- D. Equivalent power method
- E. All of the above
Explanation
Variable-load motor rating can be estimated by average losses or by equivalent current, torque, or power methods, each relating the varying load to heating capability.
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