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 239
normal voltage. Any value over one megohmin such cases is usually high enough. It is therefore beyond therange of ordinary Wheatstone bridge tests; but two good methodsare applicable, the direct-deflection method and the voltmetermethod. Direct-Deflection Method. The direct-deflection method… … Fig. 76. Wiring Diagram for Direct-Deflection Method and keys, as shown in Fig. 76. The galvanometer should be shuntedwith the 1/999 coil of the shunt, so that only 1/1000 of the currentpasses through the galvanometer, the machine being entirely dis-connected. The keys A and B are closed and the…
Electrical engineering
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