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 177
enerator Equipment. Generators are usually equipped with: 3 Ammeters 1 Voltmeter 1 Indicating wattmeter 1 Field ammeter 1 Rheostat mechanism 1 Field switch 1 Potential receptacle and plug 1 Synchronizing receptacle 1 Nonautomatic oil switch 1 Watt-hour meter 2 Current transformers 2 Potential… … Fig. 37. Switchboard Equipment for Small Central StationCourtesy of General Electric Company 156 SWITCHBOARDS 59 of the field ammeter and indicating wattmeter have already beenexplained. Current and Potential Transformers. It may be noted that, onthe assumption of three-phase three-wire circuits,…
Electrical engineering
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