Principles of Electrical Engineering: Theory and Practice |
Contents
Electric Charge 3 Insulators and Conductors | 2 |
Flow of Electric Current | 4 |
Electromotive Force | 5 |
Copyright | |
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80 per cent alternating current alternating-current alternator ampere-hour amperes angle applied voltage armature armature current assuming battery brushes Calculate capacitance cell cent power factor charge coil commutator conductor connected copper copper loss core current flow current input curve cycles delta connection determined direct current discharge effect efficiency electric electromotive force equal equipment excitation flux density frequency full-load horsepower induction motor inductors insulation kilovolt-ampere lagging lamps lighting line voltage load conditions losses machine magnetic circuit magnetomotive force maximum meter no-load normal ohms operation output parallel phase pole primary Prob rated load reactance reference resistance result rheostat rotation rotor secondary series motor short-circuited shown in Fig shunt motor single-phase squirrel-cage stator supply switch synchronous motor temperature terminal voltage three-phase tion torque transformer usually vary vector diagram voltage and current voltage drop volts watt-hour meter wattmeter watts wave winding wire zero