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 32
e requirements for proper rate ofcutting of the lines of force? Ans. It is necessary to have, as a minimum, two coils perphase per pole in three phase work. Ques. What is the effect of only one coil per phase perpole? Ans. The wave form will be distorted as shown in fig. 1,247. Ques. What is the… … Single or Monoph^eCurrent.—This kind ofalternating current is gen-crated by an alternatorhaving a single winding onits armature. Two wires, alead and return, are usedas in direct current. An elementary diagramshowing the working prin-(iplcs is illustrated in fig.1,249, a similar hydrauliccycle…
Electrical engineering
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