Electrical machinery; a practical study course on installation, operation and maintenance (1921)
Annett, Fred Anzley · New York [etc.] McGraw-Hill book company · leaf 121
a generator or circuit, will indicate thewatts produced or transmitted at every instance. In thewatt-hour meter, as previously mentioned, the instrumentregisters watt-hours or kilowatt-hours. The general pi-in-ciple of the instrument is similar to that described for thedirect-reading wattmeter,… … Fig. 11(5.—Diayiam of watt-hour meter. coils C are connected in series in the line, as in Figs. 114 and115, and produce the magnetic field to act upon the currentill the coils of the movable element V, which is constiucted ELECTRICAL INSTRUMENTS 105 the same as the armature of a direct-current…
Electric machinery
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