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- Title
Robust fuzzy‐sliding mode based UPFC controller for transient stability analysis in autonomous wind‐diesel‐PV hybrid system.
- Authors
Mohanty, Asit; Patra, Sandipan; Ray, Prakash K.
- Abstract
This study presents a comparative study of transient stability and reactive power compensation issues in an autonomous wind–diesel‐photovoltaic based hybrid system (HS) using robust fuzzy‐sliding mode based unified power flow controller (UPFC). A linearised small‐signal model of the different elements of the HS is considered for the transient stability analysis in the HS under varying loading conditions. An IEEE type 1 excitation system is considered for the synchronous generator in the HS, with negligible saturation characteristic, for detailed voltage stability analysis. It is noted from the simulation results that the performance of UPFC is superior to static VAR compensator and static synchronous compensator in improving the voltage profile of the HS. Further, fuzzy and fuzzy‐sliding mode based UPFC controller is designed in order to improve the transient performance. Simulation results reflect the robustness of the proposed fuzzy‐sliding mode controller for better reactive power management to improve the voltage stability in comparison with the conventional PI and fuzzy‐PI controllers. In addition to this, system stability analysis is performed based on eigenvalue, bode and popov for supporting the robustness of the proposed controller.
- Publication
IET Generation, Transmission & Distribution (Wiley-Blackwell), 2016, Vol 10, Issue 6, p1248
- ISSN
1751-8687
- Publication type
Article
- DOI
10.1049/iet-gtd.2015.1000