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 186
is the resistance of armature, field, brush contacts,etc., combined. If we add the value of the IR drop to the terminale. m. f. we obtain the generated e. m. f. Fig. 162 shows both externaland total characteristics and the value of the IR drop for a seriesgenerator. The effect of residual magnetism… … 20 -^-o 60 ea /oo /zo /ao Fig. 161. Characteristic Curves of a Series-Wound Generator at Different Speeds Volts C^ i •y IRI y ^^ ^ >^ y ^^^^ / ^^ / // // // II 1 1 1 IB^ ^^- t ^^ — |ri a-^-i .Ampe- ras Fig. 162. Effect of Residual Mag-netism on Characteristic Curveof a Series-Wound Generator and…
Electrical engineering
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