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 461
Fig. 224. General Electric Frequency-Changer Set … Fig. 225. Westinghouse 1000 KW Frequency-Changer Set 421 176 TYPES OF GENERATORS AND MOTORS Used as Frequency Changers. When the motor-generator setis composed of two synchronous machines designed to operate atdifferent frequencies it is used as a frequency changer. For largeoperations in power…
Electrical engineering
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