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Symmetrical Components Basic Equations for Three
Short Circuits on Systems with One Power Source
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amperes applied armature autotransformer cable calculated capacitive Chapter components of current components of voltage connected copper currents and voltages currents flowing curve d-c resistance determined diagram equations equivalent circuit exciting current farad frequency fundamental frequency fundamental-frequency geometric mean given ground wires harmonic inductance line currents line-to-ground fault line-to-line voltage line-to-neutral voltage load motor mutual capacitive mutual impedances negative negative-sequence currents neglected neutral conductor obtained ohms per mile one-line diagram open conductor permeance phase voltages positive positive-sequence currents positive-sequence network proximity effect rated replaced respectively rotor saturation sequence impedances sequence networks sheath short-circuit single-phase skin effect space wave symmetrical components synchronous machine terminals three-phase circuit transformer bank transmission circuits transmission lines ungrounded unsymmetrical circuit values volt voltage drop voltages and currents voltages to ground windings Y-connected zero zero-potential bus zero-sequence currents zero-sequence impedance zero-sequence network zero-sequence voltage