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 417
een mains 2 and 3, and each of these voltages isequal to half the voltage between mains 1 and 3. When the numberof lamps connected between mains 1 and 2 is different from thenumber connected between mains 2 and 3, or vice versd, the neutralmain must carry a direct current equal to the difference of… … Fig. 313. Connections for D. C. Generator on Edison Three-Wire Systemwith Two-Phase Rotary Converter Connected as a Balancer dsed to take the place of two machines, a generator and a motor,used in combination to form a balancer for keeping the voltageson the two sides of an Edison three-wire system…
Electrical engineering
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