International Library of Technology · Scranton, International Textbook Co. · leaf 69
M. F. generated being 125 volts,the E. M. F. at the shunt terminals is 125 — 4 = 121 volts.We found that for 110 volts at the terminals the ampere-turns were 4,500; then, for an E. M. F. of 121 volts theshunt ampere-turns will be -i-f-i X 4,500 = 4,950. The full-load ampere-turns are 7,600;… … 75 each spool. PROPORTION OF SHUNT AND SERIES liVINDINGS. 3646. The simple number of ampere-turns for shuntand series windings is not sufficient as a guide to the actualnumber of turns of each which must be supplied. Theremust be a proper proportioning of the two windings, so thatthe total loss of…
Electrical engineering
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