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 230
cted across the relay contacts to prevent severe arcing and possible injury. REG I LA TIXG DE VICES 1,749 is of importance. The desired voltage may be maintainedconstant at the alternator terminals by rapidly opening andclosing a shunt circuit across the exciter field rheostat. Ques. Describe in… … CURRENTTRANSFORMER REGULATINGRHEOSTAT Fig. 2.456.—Diagram of connections of General Electric contact making ammeter for oper-ating on alternating current circuits. The instrument is designed to indicate with the aidof a current transformer, certain values of current in an alternating current…
Electrical engineering
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