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 187
dially inwards from the cast-iron, ring-shaped yoke. The yoke is cast in two pieces, and the upperhalf is bolted to the lower half, as shown in the figure. The yoke isdivided in this way in order that the upper half may be unbolted andmay be lifted off by means of the eye-bolt on the top of the… … Fig. 158. Field Structure of a Westinghouse180-Kw. Alternator 164 ALTERNATING-CURRENT MACHINERY 153 built by the General Electric Company for use in small isolatedplants. The alternator is belt-driven at 1,800 r. p. m. and, there-fore, requires four poles to give a frequency of 60 cycles. The view…
Electrical engineering
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