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 313
oper instant. There are several types of synchronizer,such as 1. Lamp or voltmeter; 2. Resonance br vibrating reed; 3. Rotating field. 1,832 HA WKINS ELECTRICITY The simplest arrangement consists of a lamp or preferablya voltmeter connected across one pole of a two pole switchconnecting the… … Fig. 2.571.—General Electric synchronism indicator. Th3 synchronism indicator isa motor whose field is supplied with single phase current from one of the machines to be syn-chronized, and its armature from the other. The armature carries two inductance coils placedat a large angle, one supplied…
Electrical engineering
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