Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 43
31 22 ALTERNATING-CURRENT MACHINERY - -^-^^^ … Fig. 29. Diagram Showing Addition ofHarmonic E. M. F.a projections of two adjacent sides of the parallelogram, as shown inFig. 29. The projection of E^ is Oc, which represents e^\ and the projection of E^ is equal to cd,which represents e^. The projec-tion of the diagonal Oh of theparallelogram is…
Electrical engineering
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