Principles and practice of electrical engineering (1914)
Gray, Alexander, 1882-1921 · New York [etc.] McGraw-Hill Book Company, inc. · leaf 376
r scale. The voltmeter Vmeasures the secondary voltagebut is calibrated in terms of thevoltage of the primary side. The series transformer has theprimary side connected directly inthe line and the secondary shortcircuited by an ammeter or by thecurrent coils of a wattmeter. Since the secondary… … Fig. 421.—Connections of in-strument transformers. CHAPTER XLIIELECTRIC LIGHTING A hot body gives off radiant energy in the form of heat, lightand chemical energy and, to maintain the temperature of thebody, energy must be given to the body at the same rate as it isdissipated by the body. An…
Electrical engineering
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