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 443
e circuit the meter is connected.The dial can be arranged to show any desired number of amperehours per revolution of the hand, and they are equipped with adevice for resetting the hand to zero when so desired. Themeters are arranged to run forward on charge and backward ondischarge. INDUCTION… … Fig. 97. Sangamo A mpere-Hour MeterCourtesy of Sangamo Electric Company 401 104 ELECTRICAL MEASUREMENTS being established in a movable closed secondary or rotating elementby means of a rotating field. This rotating field is established bythe combination of the magnetic fields produced by the series…
Electrical engineering
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