NDLI: Robust design of fuzzy-based power system stabiliser considering uncertainties of loading conditions and transmission line parameters

Content Provider	IET Digital Library
Author	Shokouhandeh, Hassan Jazaeri, Mostafa
Abstract	Ensuring the efficiency and robustness of a power system stabiliser is indebted to provide a comprehensive scheme that considers significant uncertainties in variables and parameters of the model. This study proposes a robust type-II fuzzy logic-based power system stabiliser scheme that can handle the uncertainties in both loading condition and line parameters. Unlike loading condition, there are many lines in a typical power system and it is necessary to introduce an indicator that can mark lines with significant uncertainty in the parameters. Hence, a criterion based on Oscillatory Stability Index is presented in the study. On the other hand, random samples from line parameters and loading conditions are generated by the roulette-wheel using probability density functions (PDF) to form the elements of the weighting matrix. Two objective functions including weighted eigenvalue deviations and damping ratios are defined and then optimised to find the parameters of the proposed stabiliser in the uncertain environment. Simulations are carried out in different scenarios and in terms of both load condition and line parameters changes. Finally, the performance of the proposed stabiliser is assessed through comparisons with an optimised lead–lag power system stabiliser and a robust lead–lag power system stabiliser.
Starting Page	4287
Ending Page	4300
Page Count	14
ISSN	17518687
Volume Number	13
e-ISSN	17518695
Issue Number	Issue 19, Oct (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/13/19
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2018.6194
Journal	IET Generation, Transmission & Distribution
Publisher Date	2019-07-09
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Combinatorial Mathematics Control System Analysis Control System Synthesis Damping Eigen Values And Eigen Function Fuzzy Control Fuzzy Logic Fuzzy Set Theory Fuzzy-based Power System Stabiliser Load Condition Loading Condition Matrix Algebra Optimisation Optimisation Technique Optimised Lead–lag Power System Stabiliser Power System Control Power System Stability Probability Robust Control Robust Lead–lag Power System Stabiliser Robust Type-II Fuzzy Logic-based Power System Stabiliser Scheme Significant Uncertainty Stability Stability in Control Theory Statistics Synthesis Method Transmission Line Parameter Typical Power System
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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