Electrical Engineering · Induction Motors
Regarding a star-delta starter used for a 3-phase induction motor, which of the following statements is/are correct? (A) The starter switch connects the motor winding in star for starting and then in delta for normal operation. (B) The starter switch connects the motor winding in delta for starting and then in star for normal operation. (C) Starting with a star-delta starter is equivalent to using an auto-transformer starter with a 57.7% voltage ratio.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Both (B) and (C)
- 2Only (A)
- 3Only (B)
- 4Both (A) and (C)✓
Correct answer
Both (A) and (C)
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