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 294
ge between outside mains. As explained onpage 5, the amount of copper required varies inversely as the squareof the voltage used. Single-phase current may be supplied to Edison three-wiredistributing mains by a single transformer having two secondarycoils properly connected in series to the outside… … Fig. 215. Connections for Banked Transformera Banking of Transformers. Two service mains may be suppliedwith current by two or more transformers with their primaries con-nected in parallel between the supply mains, and with their seconda-ries properly connected in parallel to the service mains.…
Electrical engineering
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