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6) A 220 V,24 A,100rpm seperately excited has Ra​=2Ω. Motor is controlled by a chopper with frequency of 500 Hz and sour

Posted: Thu Jul 14, 2022 2:37 pm
by answerhappygod
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6) A 220 V,24 A,100rpm seperately excited has Ra​=2Ω. Motor is controlled by a chopper with frequency of 500 Hz and source volitage of 230 V. Calculate the duty ratio for 1.2 times rated forque and 500rpm.