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 169
tance, the arc is easilyextinguished at the end of the first one-half cycle of the alternator wave. 1,688 HAWKINS ELECTRICITY Ques. What is the difference between arrester forgrounded Y and non-grounded neutral systems? Ans. The connections are shown in figs. 2,365 and 2,366.The difference in… … FlG. 2.371.—West inghouse three pole or four pole arrester in weather proof wooden case whichprotects the arrester units from rain and snow when they are installed in esposed loca-tions, as on poles or buildings. line and line. If one line become accidentally grounded, thefull line voltage would be…
Electrical engineering
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