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 84
nterpoleadjustable-speed shunt motor.It should be noted that thiscommutating pole constructiondoes not overcome field distor-tion; in fact, it even increasesit, but it maintains a flux for reversal where needed, which is thecharacteristic desired. Compensation. An excellent compensation method was… … Fig. 77. Interpole Device to PreventSparking 68 PRINCIPLES 59 with the armature winding, and so arranged that it produces a mag-netic force directly opposed to that of the armature, thus opposing
Electrical engineering
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