. 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. « •* — - - --- - = — Bi 5 bS I ~ — — ~ - E-TSS3 9 - . - .: - --- -~ - - ■ § iilh . - ■—._ 1^38 234. ALTERNATORS 1,133 alternating currents displaced in phase from one another, and he thusmade possible by means of the induction motor, the use of polyphasecurrents for power purposes. Ques. What is the difficulty encountered in starting amotor with single phas
. 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. « •* — - - --- - = — Bi 5 bS I ~ — — ~ - E-TSS3 9 - . - .: - --- -~ - - ■ § iilh . - ■—._ 1^38 234. ALTERNATORS 1,133 alternating currents displaced in phase from one another, and he thusmade possible by means of the induction motor, the use of polyphasecurrents for power purposes. Ques. What is the difficulty encountered in starting amotor with single phase current? Ans. A single phase current requires either a synchronousmotor to develop mechanical power from it, or a specially con-structed motor of dual type, the idea of which is to provide a.
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