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 155
,but merely the directions of positive electromotive forces or currents.Thus, in Fig. 127, the currents are considered positive when flowingfrom the common junction towards the collecting rings, and thecurrents are never all of the same sign. Y=Connected Armatures. Electromotive Force Relations.… … Fig. 127. The Y Scheme of Connecting Three Phases in Three-Phase Alternator
Electrical engineering
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