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 337
rs under load. The load being adjusted by varying the field of booster B, the total lossesof the system are then IE from booster plus the difference between belt-onreading with full load through the motors, and belt-off reading as noted(allowance being made for change of I2R of driving-motor). If… … MOTOR EFFICIENCY. 325 is ordinarily submitted, there are several others usually applied to the in-duction motor, as follows : — Excitation; Stationary impedance; Maximum output; and some variationson the usual heat and efficiency tests. Excitation: This is also the test for core loss-f- friction,…
Electrical engineering
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