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
Answer: Option B
Related Questions on Electric Traction
Overhead lines for power supply to tram cars are at a minimum height of
A. 3 m
B. 6 m
C. 10 m
D. 15 m
In case of ___________ free running and coasting periods are generally long.
A. Mainline service
B. Urban service
C. Suburban service
D. All of the above
Electric locomotives in India are manufactured at
A. Jamalpur
B. Bangalore
C. Chittaranjan
D. Gorakhpur
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