## 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 powers bus voltages buses coefficient connected graph determined diagonal elements 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 line-to-ground linear load flow calculation load flow solution loop admittance matrix loop currents machine at bus Megawatts mutually coupled network elements network matrices 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 submatrices Substituting from equation symmetrical components synchronous three-phase tion Trans transformation transient stability variables vector Ybus Yloop yo.o Zbus zero sequence