Determine rotational lossesand motor efficiency at full load

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Reference no: EM13290879

A 230V, 25hp, shunt DC motor draws an armature current of 90Aat full rated load. The armature resistance is 0.2 ohms and theshunt field resistance is 216 ohms. Determine the rotational lossesand motor efficiency at full load.

Reference no: EM13290879

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Determine rotational lossesand motor efficiency at full load : A 230V, 25hp, shunt DC motor draws an armature current of 90Aat full rated load. The armature resistance is 0.2 ohms and theshunt field resistance is 216 ohms. Determine the rotational lossesand motor efficiency at full load.

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