International Library of Technology · Scranton, International Textbook Co. · leaf 141
3775. In Fig. 1407 is shown a four-pole dynamomounted on a cast-iron bed-plate, with a belt-tightening 2516 DYNAMO-ELECTRIC MACHINE DESIGN. mechanism similar to that in the preceding figure. In thiscase, however, only one screw is used, it being placed in a … Fig. 1407. central position. The details of construction will readily beunderstood from the preceding description. MOTOR DESIGN. (CONTINUOUS-CURRENT.) PRINCIPLES OF OPERATION. 3776. Electric motors designed to be operated by con-tinuous current were in use before the dynamo was invented.Such motors…
Electrical engineering
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