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 62
, it may be made constant, increasing ordecreasing throughout the rated load range of the machine. Thisarrangement will be considered in detail later on. Booster. This consists essentially of an auxiliary generatorin series with the main machine, the e. m. f. of the former being low;and since its… … Fig. 43. Separate and Series Compounding 48 PRINCIPLES 39 «**<>* /^ ip Fig. 44. Shunt and Series Compounding to a special scheme devised by Sayers,* the field excitation may beproduced by a simple shunt winding, and a compounding effect pro-duced by giving the brushes abackward lead. Other…
Electrical engineering
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