Consider the following statements regarding speed control of dc motors:
- Ward Leonard’s method is suitable for constant torque drive.
- Field control method facilitates speed control below the base speed.
- Armature resistance control method is more efficient when compared to the Ward Leonard method.
- Field control method is suitable for constant power drives.
Of these statements
A. 1,2 and 3 are correct.
B. 1,3 and 4 are correct.
C. 2, 3 and 4 are correct.
D. 1 and 4 are correct.
Show Answer
Answer: D
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