Practical applied electricity; a book in plain English, for the practical man. Theory, practical applications and examples (1911)
Moreton, David Penn, 1882- · Chicago, The Reilly & Britton co · leaf 200
work. A modern compound generator is shown inFig. 155. 197. Losses in Generators.—The losses in generators maybe divided into two main groups: (A) I2R, or electrical losses. (B) Stray-power losses. (A) The I2R losses occur in the field windings and thearmature. If (Ic), (Is), and (la) represent the… … Fig. 155 190 PEACTTCAL APPLIED ELECTEICITY respectively, then the loss in the shunt-field winding (Wc),series-field winding (Ws), and armature (Wa) can be deter-mined by the following equations: Wc = l2cRc (101) Ws = I2sRs (102) Wa = I2aRa (103) (B) The stray-power losses consist of (a) Hysteresis…
Electrical engineering
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