Publem #5: The eddy current loss of a dc machine is 300 W when the flux per pole is 30 mWb and the machine is driven at 1000 rpm. How much is the loss if the field is adjusted to produce 50 mWb per pole while the speed is reduced to 900 rpm?

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Poblem #5: The eddy current loss of a dc machine is 300 W when
the flux per pole is 30 mWb and the machine is driven at 1000 rpm.
How much is the loss if the field is adjusted to produce 50 mWb per
pole while the speed is reduced to 900 rpm?
Transcribed Image Text:Poblem #5: The eddy current loss of a dc machine is 300 W when the flux per pole is 30 mWb and the machine is driven at 1000 rpm. How much is the loss if the field is adjusted to produce 50 mWb per pole while the speed is reduced to 900 rpm?
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