## Electric power circuits: theory and applications |

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### Contents

Chap | 1 |

Transformer Impedance and Equivalent Circuits | 34 |

Unbalanced Circuits | 68 |

Copyright | |

13 other sections not shown

### Common terms and phrases

100 per cent active and reactive admittance amperes angle assumed calculated capacitance cent cent cent chart for constant circuit constants conductor connection copper loss core loss corresponding cosh decrement factors determined equal Evans and Sels exciting current field current flux frequency given gives harmonics Hence high-tension hyperbolic hyperbolic angle hyperbolic functions induced voltage induction motor leakage impedances leakage reactance line voltages machine magnetization curve magnetomotive force negative-sequence currents No-load obtained ohms operating point phase positive positive-sequence power factor ratio reactive power receiver chart receiver end receiving transformers resistance rotor salient-pole secondary Sels charts sending chart sending end sending voltage short circuit short-circuit currents shown in Fig single-phase sinh solution Statement of Problem station stator symmetrical synchronous condensers tanh third-harmonic current three-phase torque Trans transmission line triple-frequency unbalance values vector diagram voltage and current voltages to neutral volts winding Y-connected zero