The size of the overload heater that should be used to protect the motor.

Question

In a given DC motor, the output power is 20 HP, and the copper losses are 1.1 KW. If the motor is operating at 87 % efficiency, find the converted power and the rotational losses. Select one: a. Pconv = 16.05 KW and Prot = 1.13 KW b. Pconv = 17.15 KW and Prot = 3.11 KW c. Pconv = 14.92 KW and Prot = 1.35 KW d. None

Answer 1

Question

Chapter 4, Problem 11RQ

To determine

The size of the overload heater that should be used to protect the motor.

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