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 531
sshall be dark when the generatorsare in phase. In order to determine wheth-er the synchronizer lamps willbe bright or dark for a given con-nection of transformers when thegenerators are coincident in phase, remove the main fuses or raisecollector brushes from one machine, and throw in the main… … Fig. 409. Wiring Diagram Showing Method of Determining Phase Relation by Synchronizer 482 ALTERNATING-CURRENT MACHINERY 465 are open and both generators are coincident in phase. If the lampsburn brightly and it is desired that they be dark for an indicationof phase coincidence, the connections of…
Electrical engineering
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