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2014 | OriginalPaper | Chapter

An Improved Dynamic Stability Analysis Method for Time-Delay Power System

Authors : Bo Yang, Yuanzhang Sun

Published in: Unifying Electrical Engineering and Electronics Engineering

Publisher: Springer New York

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Abstract

The conventional power system dynamic stability model neglects the influence of wide area signal transmission delay and cannot describe dynamic stability mechanism of power system precisely. In order to analyze power system stability in the environment of wide area measurement system (WAMS), a new dynamic stability model of power system considering time-varying delay influence is constructed. Then a novel global asymptotic stability analysis method with less conservativeness for time-delay power system, which extends the small signal analysis method of power system by using an improved Lyapunov–Krasovskii functional, is also derived. Simulation tests verify the correctness of the proposed model and the feasibility of the proposed stability analysis method.

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previous chapter Delay-Dependent Small Signal Stability for Power System with Constant and Time-Varying Delays

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Title: An Improved Dynamic Stability Analysis Method for Time-Delay Power System
Authors: Bo Yang
Yuanzhang Sun
Publisher: Springer New York
Book: Unifying Electrical Engineering and Electronics Engineering
Print ISBN: 978-1-4614-4980-5

Electronic ISBN: 978-1-4614-4981-2

Copyright Year: 2014
DOI: https://doi.org/10.1007/978-1-4614-4981-2_16