6. The power input measurement to a synchronous motor is done using the two- wattmeter method. Each of the wattmeters reads 40 kW at a certain operating condition. If now, the pf is changed to 0.8 lagging, what would be the new wattmeter readings?

Electric Motor Control
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ISBN:9781133702818
Author:Herman
Publisher:Herman
Chapter48: Plugging
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6. The power input measurement to a synchronous motor is done using the two-
wattmeter method. Each of the wattmeters reads 40 kW at a certain operating
condition. If now, the pf is changed to 0.8 lagging, what would be the new
wattmeter readings?
Transcribed Image Text:6. The power input measurement to a synchronous motor is done using the two- wattmeter method. Each of the wattmeters reads 40 kW at a certain operating condition. If now, the pf is changed to 0.8 lagging, what would be the new wattmeter readings?
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