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 248
MANAGEMENT OF DYNAMO-ELECTRIC MACHINERY 97 machines are connected together both electrically and mechanically.Thus one machine, acting as a motor, drives the second machinemechanically; while the second machine, acting as a generator,drives the first machine electrically. Of course such a… … Fig. 80. Wiring Diagram for Pump Back Testing Method with Electrical Loss Supply This auxiliary motor may be comparatively small since it suppliesthe losses only. With such an arrangement, one of the machines canbe given full load and tested completely without the use of waterboxes and without…
Electrical engineering
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