Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise .. (1916)
Swingle, Calvin F. (Calvin Franklin), b. 1846 · Chicago, F.J. Drake & company · leaf 1086
ts own currentto the brushes, the safe current output of this generator is30 amperes. Suppose there are 250 ft. of this No. 10 wire on thisarmature. The resistance of the wire according to the wir-ing table is 1.02 ohms per 1,000 ft. The Dynamo 1051 The resistance of all the wire on the armature is… … Fig. 445 half of 0.128 or 0.064 ohm. The drop, or loss of pressurein the armature will be I x E or 30 x 0.064=1.92 or say 2volts. This machine being a shunt generator, the maincurrent does not pass through the fields, and there is nofurther voltage lost. 1052 Steam Engineering The electro-motive…
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