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MATHEMATICS UNITS AND SYMBOLS
Exponential and Hyperbolic Formulas
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air gap alternating current ampere-turns amperes angle applied armature battery brushes calculated capacitance capacity cell circuit breakers coil commutator condenser conductors connected constant converter copper core loss curve cycles deg cent density device diameter dielectric dielectric strength direct current effect Elec electrical electrodes electrolyte electromotive force engine equal excitation field flux frequency galvanometer given heat high-voltage hysteresis impedance inch increase induction motor inductor instrument insulation leakage length load machine magnetic material maximum measured meter method obtained ohms operation phase plate pole polyphase potential potentiometer power factor primary rated ratio reactance regulation relays resistance resistor rheostat rotor secondary short-circuit shunt single-phase slots solution speed standard station steel substation surface switch symmetrical components synchronous Table temperature terminals three-phase torque Trans transformer tube unit usually voltage voltmeter volts wattmeter watts winding wire zero