Hawkins electrical guide. Questions, answers & illustrations; a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833- · New York, T. Audel · leaf 61
the observations may besimplified by using only one sector (Nt =1), then X will equal the slip in revolutions. ALTERXATIXG CURREXT MOTORS 1.319 Ques. Describe one way of measuring the slip. Ans. A simple though rough way is to observe simulta-neously the speed of the armature and the frequency,… … Fig. 1.737.—Detail of We?:ir.jh nse J;.::.rrel cage armature for induction motor. This isan example of cast on construction similar to that of Morse-Fairbanks (see figs, 1,752, 1,753and 1.915). The inductors are embedded in a special cement. Evolution of the Squirrel Cage Armature.—In the…
Electrical engineering
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