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The average input to a manufacturing plant is 3MVA at a power factor of 0.72 lagging. A synchronous motor having an input of 1300KV

The average input to a manufacturing plant is 3MVA at a power factor of 0.72 lagging. A synchronous motor having an input of 1300KV is then installed and delivers a load of 600hp at an efficiency of 89.5%. Calculate: (a) the overall kW input; (b) the overall kVA input; (c) the overall plant power factor.

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