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Power System Analysis
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In this paper, the authors present a model for estimating the Impedance of Transmission Lines and the Capacitance of Transformer Lines in the presence of Symmetrical Faults.Abstract:
1 Basic Concepts 2 Transformers 3 The Synchronous Machine 4 Series Impedance of Transmission Lines 5 Capacitance of Transmission Lines 6 Current and Voltage Relations on a Transmission Line 7 The Admittance Model and Network Calculations 8 The Impedance Model and Network Calculations 9 Power Flow Solutions 10 Symmetrical Faults 11 Symmetrical Components and Sequence Networks 12 Unsymmetrical Faults 13 Economic Operation of Power Systems 14 Zbus Methods in Contingency Analysis 15 State Estimation of Power Systems 16 Power System Stabilityread more
Citations
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Journal Article
Solving the Economic Dispatch Problem using Novel Particle Swarm Optimization
S. Khamsawang,S. Jiriwibhakorn +1 more
TL;DR: An improved approach based on conventional particle swarm optimization with mutation operators of the differential evolution for solving an economic dispatch(ED) problem with considering the generator constraints.
Proceedings ArticleDOI
Stability enhancement of power system by controlling HVDC power flow through the same AC transmission line
TL;DR: In this article, a single-circuit long ac transmission line with a single generator is used to supply power to infinite bus through a single circuit long AC transmission line and the AC circuit breakers are switched on and the dc power flow is increased to produce a retarding torque to bring back the generator to its normal speed.
Journal ArticleDOI
Iterative Distributed Algorithms for Real-Time Available Transfer Capability Assessment of Multiarea Power Systems
Jian-Hong Liu,Chia-Chi Chu +1 more
TL;DR: In this paper, the authors proposed an iterative distributed algorithm for real-time available transfer capability (ATC) assessment in energy management systems of multi-area power systems, where ATC calculations can be modeled as a special nonlinear optimal power-flow problem, iterative decomposition-coordination approaches based on constrained augmented Lagrangian methods can be applied.
Journal ArticleDOI
Accurate Fault Location for Untransposed/Transposed Transmission Lines Using Sparse Wide-Area Measurements
Xiangqing Jiao,Yuan Liao +1 more
TL;DR: In this article, the authors proposed a fault-location method for untransposed transmission lines using sparse wide-area measurements, which is also applicable to transposed lines and does not require the fault type to be known.
Journal ArticleDOI
Voltage sag state estimation in power systems by applying genetic algorithms
TL;DR: In this paper, the authors present an application of genetic algorithms to the solution of the voltage sag state estimation problem. But the performance of the proposed methodology is assessed by means of case studies applied in the IEEE 24-bus reliability test system and in the ICS 57-bus test system.