International Library of Technology · Scranton, International Textbook Co. · leaf 75
resistance then remains unchanged. It M. E. IV.—23 2450 DYNAMO-ELECTRIC MACHINE DESIGN. will therefore be seen that it is possible to lay out the valuesof lines of force and corresponding ampere-turns, expressedin the curves of Fig. 1357, in terms of E. M. F. generatedand E. M. F. at field… … 40 50 00 70 SO 90 100E.M.JP.ut Field Terminals. Fig. 1359. 120 130 representing half load. It will be noticed that this line isslightly nearer to the no-load curve than to the full-loadcurve, which is accounted for by the fact that the numberof back ampere-turns is less than at full load, so that a…
Electrical engineering
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