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 140
Fig. 110. Diagram Showing Method of SeparateExcitation 122 … ENGINE-TYPE ALTERNATOR SHOWING COLLECTOR RINGS AND BRUSHHOLDER RIGGING Courtesy of Westtrn Electric Company ALTERNATING-CURRENT MACHINERY 111 The field of the alternator is excited by a set of coils on thepole pieces. These coils are represented by F; and current is sup-plied to these coils from a…
Electrical engineering
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