Question B.29: he armature resistance of a 55-hp, 525-V, DC shunt wound mot...

Principles and Applications of Electrical Engineering

The armature resistance of a 55-hp, 525-V, DC shunt wound motor is

0.4  \Omega

. The full-load armature current of this motor is

80 \mathrm{~A}

. If the initial starting current is 175 percent of the full-load value, the resistance of the starting coil in

\Omega

should be nearest to

a. 6.6125 b. 3.75 c. 3.35 d. 4.15 e. 2.75

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