## Computer methods in power system analysis |

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### Contents

Introduction | 1 |

Matrix algebra | 7 |

Incidence and network matrices | 27 |

Copyright | |

6 other sections not shown

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### Common terms and phrases

admittance form AIEE algebraic augmented matrix basic cut-set basic loop branch bus admittance matrix Bus code bus currents bus impedance matrix bus voltages buses CM CM coefficient connected graph determined differential equation digital computer element p-q equal estimates Euler method fault at bus fault current faulted bus Gauss-Seidel method given in Table incidence matrix internal voltage angles iterative method iterative solution JO.O linear load flow calculation load flow solution loop admittance matrix loop currents machine at bus Megawatts mutually coupled network elements network matrices Newton-Raphson Newton-Raphson method obtained operations parameters partial network performance equation positive sequence primitive admittance primitive network reactance reactive power relay representation Runge-Kutta method sample system sequence impedances short circuit shown in Fig slack bus solved Substituting from equation symmetrical components synchronous system for Prob three-phase tion Trans transformation transient stability variables vector YBUS YLOOP ZBUS zero sequence