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 268
Short-circuited or reversed coil or coils in arma-ture. Symptom. A motor will draw excessive current, even whenrunning free without load. A generator will require considerablepower, even without any load. For reversed coil, see III, 5. The short-circuited coil is heated much more than the… … 116 MANAGEMENT OF DYNAMO-ELECTRIC MACHINERY be repeated until the short-circuited coil is found by feeling thearmature all over. An iron screw driver or other tool held between the polesnear the revolving armature vibrates very perceptibly as theshort-circuited coil passes. Almost any armature will…
Electrical engineering
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