Q. Which of the following methods is used to control speed of 25 kV, 50 Hz single phase traction ?

(A) Reduced current method
(B) Tap changing control of transformer
(C) Series parallel operation of motors
(D) All of the above

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✅ Correct Answer: (B) Tap changing control of transformer

Published by Mr. Dubey ⭐ 109.99K Points at 13-Sep-2023 07:40 am in Control of Electric Drives

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