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 187
dings connected together, as shown in Fig.37. In this case only three wires are carried out to the distribut-ing system. If the voltage of either phase is equal to E, then the 165 44 MANAGEMENT OF DYNAMO-ELECTRIC MACHINERY voltage across the free ends of the inter-connected phase will beequal to… … FHftSC B Fig. 38. Voltage Curves for Threc-Phase Generator Three-Phase Type. Three-phase generators have their arma-ture windings divided into three sets of coils so arranged as to pro-duce electromotive forces 120 degrees apart, Fig. 38. Armaturesmay be either Y- or A-connected, Figs. 39 and 40.…
Electrical engineering
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