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
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.