Calculate the ohmic value and power of the series resistor

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Reference no: EM13225517

A 250hp, 500v dc shunt motor draws a nominal field current of 5A under rated load. The resistance is 90ohms. c needed so that the field current drops to 4.5A when the shunt field and resistor are connected to the 500v source.

Reference no: EM13225517

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Calculate the ohmic value and power of the series resistor : A 250hp, 500v dc shunt motor draws a nominal field current of 5A under rated load. The resistance is 90ohms. Calculate the ohmic value and power of the series resistor needed so that the field current drops to 4.5A

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