Alternating-current Electricity and Its Applications to Industry, Volume 1 |
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a₁ alternating current alternating e.m.f. alternating-current ammeter amperes angle armature winding average b₁ b₂ Calculate cent coil component compute conductors connected core crank current flowing delivered delta connection direct current direct-current distributed Draw e.m.f. induced e.m.f. wave E₁ effective value electrical degrees electromotive force equal equation exactly field flux four-pole frequency full load gal./min henry inductance impedance inches induced e.m.f. induction motor inductors instant instantaneous value joined in series kv-a lags leads line wire machine magnetic maximum value number of poles ohms opposite output parallel path phase difference phase relation piston polar pole per phase polyphase system positive direction power-factor pressure Prob Problem rated full-load represents resistance resultant e.m.f. reversed shown in Fig shows side sine curve sine wave single-phase slots per pole speed synchronous tapped terminals three-phase tion total e.m.f. total number transformer two-phase value of e.m.f. volt-amperes voltage voltmeter volts wattmeter watts