Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 256
at a given instant tothe product of these two fields; so that the reading of the instru-ment, which depends on the mean value of the couple, will be pro-portional to the mean power, and, by providing the instrumentwith the proper scale, it will read directly in watts. Single-Phase Circuit. In Fig.… … MoforFig. 86. Wiring Diagram for Testing Power Input in Two-Phase Circuit be determined; CD, the terminals of the thick-wire coil (current-coil) of the wattmeter; and EF, the voltage- or pressure-coil ter-minals. When connected as above indicated, the wattmeter in-dicates directly in watts the…
Electrical engineering
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