Design And Simulation Of Interline Unified Power Quality Conditioner (Iupqc) By Using Fuzzy Logic Controller
Journal Title: International Journal of Science Engineering and Advance Technology - Year 2015, Vol 3, Issue 1
Abstract
This paper proposes anew connection for a unified power quality conditioner (UPQC) to improve the power quality of two feeders in a distribution system. The interline custom power devices named Interline Unified Power Quality Conditioner (IUPQC) is improved for various power quality disturbances and modeled in MATLAB/SIMULINK by using fuzzy logic controller. The developed topology can be used for simultaneous compensation of voltage and current imperfections in a multi bus/multi feeder system. The proposed IUPQC is designed for medium voltage level (11 kV) and effective Enhanced Phase Locked Loop (EPLL) with Fuzzy based control technique is used to detect and extract the PQ disturbances. The performance of Series Compensator of IUPQC is evaluated through extensive simulations for mitigating unbalanced voltage sags with phase jumps and interruption. The performance of Shunt Compensator of IUPQC is also tested for harmonic and reactive power compensation that are not investigated before in literature. It is verified that IUPQC which is connected to two feeders, can compensate current and voltage distortions successfully in these feeders according to the results obtained using MATLAB/SIMULINK.
Authors and Affiliations
Sasanka Sowri T| M. Tech. Scholar, Dept of EEE Bonam Venkata Chalamayya Engineering College Amalapuram, K. V. V. Satyanarayana| Asst. professor, Dept of EEE Bonam Venkata Chalamayya Engineering College Amalapuram
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