NDLI: Critical comparison of robust load flow methods for ill-conditioned systems

Content Provider	IEEE Xplore Digital Library
Author	Gutierrez, J.F. Bedrinana, M.F. Castro, C.A.
Copyright Year	2011
Description	Author affiliation: Electrical Engineering at UNICAMP, Brazil (Gutierrez, J.F.)
Abstract	In this work, the performances of robust load flow methods are compared, in special when applied to ill-conditioned systems. In such cases, the iterative process may diverge or oscillate when standard Newton Raphson (SNR) based load flow calculation methods are used. Some known approaches to solve these systems are the Load Flow with Step Size Optimization (LFSSO) and Continuation Power Flow (CPF). Also, the Continuous Newton Power Flow (CNPF) method was proposed recently as a novel approach to solve ill-conditioned systems. Even though the performances of these methods have been reported in several sources, a critical comparison of the convergence characteristics and results for ill-conditioned systems are presented in this work. A modified version of the CNPF is also tested in order to improve its robustness. Simulation results for some IEEE test cases and realistic systems are shown to validate the analysis.
Starting Page	1
Ending Page	6
File Size	772858
Page Count	6
File Format	PDF
ISBN	9781424484195
e-ISBN	9781424484188
e-ISBN	9781424484171
DOI	10.1109/PTC.2011.6019405
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-19
Publisher Place	Norway
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Load flow Signal to noise ratio Robustness Reactive power Loading Jacobian matrices Optimization continuous Newton method Load flow analysis ill-conditioned systems step size optimization
Content Type	Text
Resource Type	Article

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