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 405
embly. These coils are readily dropped into the slots asshown. They are insulated to withstand high temperatures. Thecompleted field is a compact rotating element of great mechanicalstrength. As shown in Fig. 153, the surface is practically smooth.The er.d windings, which necessarily extend beyond… … Fig. 154. Stacking Armature Core of Ridgway Alternator type alternators in sizes 30 to 300 k. v. a. for the belted, and 35 to750 k. V. a. for the others. They are wound for single-phase, two-phase, or three-phase circuits for either 25 or 60 cycles and for anyof the standard voltages. General…
Electrical engineering
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