In a dc compound motor, 4-point starter provides
A. overload protection.
B. under-voltage protection.
C. the facility for wide range of speed control by field regulator.
D. all of the above.
Answer:D
In a dc compound motor, 4-point starter provides
A. overload protection. B. under-voltage protection. C. the facility for wide range of speed control by field regulator. D. all of the above.