Journal of Applied Science and Engineering

Published by Tamkang University Press

1.30

Impact Factor

2.10

CiteScore

E. Himabindu1, D. Krishna2, S. Venkateshwarlu3, and Kavitha Chenna Reddy4This email address is being protected from spambots. You need JavaScript enabled to view it.

1Geethanjli College of Engineering and Technology, Hyderabad

2Anurag University

3CVR College of Engineering, Hyderabad

4New Horizon College of Engineering


 

 

Received: February 18, 2024
Accepted: May 20, 2024
Publication Date: July 10, 2024

 Copyright The Author(s). This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are cited.


Download Citation: ||https://doi.org/10.6180/jase.202505_28(5).0006  


The proposed work is UPQC (Unified Power Quality Conditioner) based on a Fuzzy Logic Sliding Mode Controller (FLSMC) to deals with dynamic performance and the power quality issues like current disturbances, voltage sag, swell, total harmonic distortion (THD) under nonlinear loads to improve the Reliability and quality of distribution power system. FLSMC based UPQC’s improve dynamic performance and reduce power quality issues more effectively than with conventional controllers. Sliding surface implementation via accurate extraction of reference current, voltage signals for UPQC is basis of FSMPWM architecture. The equivalent control law for shunt converter, series converter is derived. In light of this, the Mamdani fuzzy rule foundation for generating the switching pulse has been designed at the sliding surface. The suggested method generates a fixed switching pulse for both shunt, series converter while simultaneously eliminating chattering effects. The obtained results show the best performance when compared with an FLC, an adaptive FLC, FOFLC. With FLSMC, it’s possible to improve dynamic performance and reduce power quality issues more effectively than with existing controllers such as FLC, an adaptive FLC and FOFLC. The proposed system design using FOFLC and FLSMC controllers are implemented in MATLAB/Simulink.


Keywords: Power Quality; UPQC; Fractional order FLC; Fuzzy Sliding Mode Controller; MATLAB/Simulink.


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