Mitigation of Power Quality Issues using PV- UPQC and MTG - UPQC in a Distribution system
Dr. A. Radhika Dr. A. Shunmugalatha Dr. N. Karuppiah Mrs. M. Devaki
Maintaining power quality at the distribution end is a serious concern that the power system faces today. The usage of power conditioning devices like UPQC mitigates the power quality problems to certain extent. Nowadays the distributed generation sources like photo voltaic cells and micro turbine generation are integrated in the existing distribution system to improve power quality and reliability. This paper proposes the installation of Photo Voltaic cell - Unified Power Quality Conditioner and Micro Turbine Generator - Unified Power Quality Conditioner in a distribution system to solve the power quality problems. Also this paper compares the effective usage of PV- UPQC and MTG – UPQC in the distribution system to mitigate the power quality issues. Due to the installation of PV-UPQC or MTG-UPQC the total harmonic distortion in the source current is reduced and the problem of voltage sag is avoided. MTG-UPQC installed in the distribution system performs better in the mitigation of power quality issues than PV-UPQC. The results are validated using MATLAB/Simulink.
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