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 450
uments: 1 Voltmeter, which indicates when the dynamo is running at the proper voltage1 Ammeter, that indicates the load on the machine and approximately the number of lights burning 1 Double-pole double-throw main line switch with fuses 2 Double-pole double-throw battery switches 1 Rheostat for… … Switchboard for LightingPlant 405 14 ISOLATED LIGHTING PLANTS On the back of the board there are mounted two sets of resist-ance coils which control the current for charging the battery; alsoall the necessary connections between the instruments and switchesare made on the back of the board, while…
Electrical engineering
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