Principles of Electrical Engineering: Theory and Practice |
Contents
ELECTRIC CURRENTS AND CIRCUITS 1 Nature of Electricity | 1 |
Electric Charge 3 Conductors and Insulators | 2 |
Thermionic Currents 5 Thermionic Tubes | 4 |
Copyright | |
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air gap alternating current alternator ampere-hour amperes angle applied voltage armature armature circuit armature current assuming battery brushes Calculate capacitance capacitor cell cent power factor charge coil commutator conductor connected constant copper copper loss counter emf current flow curve cycles d-c motor determined dielectric direct current direction discharge effect efficiency electric electrons equal equation excitation frequency horsepower induction motor inductors input lagging lamps lead-acid battery machine magnetic circuit maximum meter no-load normal ohms operation output parallel phase plate pole Prob rated load rated-load reactance reference regulation resistance result rheostat rotation rotor secondary series motor shown in Fig shunt motor single-phase slots speed squirrel-cage starting stator supply switch synchronous motor temperature terminal voltage three-phase tion torque transformer tube usually V₁ vector diagram voltage and current voltage drop voltage regulation volts wattmeter watts wave winding wire zero