Electrical engineer's pocket-book: a hand-book of useful data for electricians and electrical engineers (1901)
Foster, Horatio A. (Horatio Alvah), 1858-1913 · New York, D. Van Nostrand co.; London, E.& F.N. Spon, ltd. · leaf 327
urrent flowing in the armature and in the fields, and alsoknowing the resistance of the same, the I2R losses in each may be calcu-lated, which, added to the output at the dynamo terminals, shows the totalelectrical energy generated in the ma-chine. If in ■= the 7 2R loss in the armature,/= the I2R… … GENERATOR WATER RHEOSTAT. J FOB LOAD The following diagram shows theconnections for this form of test. It must be obvious that a steam-en-gine, or other motive power that canbe accurately measured, may be usedin place of the electric motor ; butmeasurements of mechanical power Fig. 5. Connections…
Electrical engineering
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