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 305
p?; … Fig. 224. Diagrammatic View of Two Separate Trans-formers for Step-Up or Step-Down Transforma-tion—-Two-Phase System mon return for currents that pass out over the other two. In thiscase, the usual arrangement for step-down (or step-up) transforma-tion is to connect thethree primaries of…
Electrical engineering
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