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Analysis of UPQC under Unbalanced and Distorted Load Conditions using Synchronous-Reference-Frame Method
K. Rani Hepsiba1, S. M. Shariff2, P. Saileshbabu3

1K. Rani Hepsiba, Department of Electrical & Electronics Engineering, Nimra College of Engineering and Technology, Vijayawada (A.P), India.
2Sheik Mahaboob Shariff, Department of Electrical & Electronics Engineering, Nimra College of Engineering and Technology, Vijayawada (A.P), India.
3P. Sailesh Babu, Department of Electrical & Electronics Engineering, Sagi Ramakrishnam Raju Engineering College, Chinnamiram, Bhimavaram (A.P), India.

Manuscript received on 15 December 2015 | Revised Manuscript received on 25 December 2015 | Manuscript Published on 30 December 2015 | PP: 84-91 | Volume-5 Issue-2, December 2015 | Retrieval Number: B4360125215/15©BEIESP
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© The Authors. Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC-BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)

Abstract: This paper presents a new synchronous reference-frame (SRF)-based control method to compensate power-quality (PQ) problems through a three-phase four-wire unified PQ conditioner (UPQC) under unbalanced and distorted load conditions. The proposed UPQC system can improve the power quality at the point of common coupling on power distribution systems under unbalanced and distorted load conditions. The simulation results based on Matlab/Simulink are discussed in detail to support the SRF-based control method presented in this paper.
Keywords: Active Power Filter (APF), Harmonics, Phase-Locked Loop (PLL), Power Quality (PQ), Synchronous Reference Frame (SRF), Unified Power-Quality (PQ) Conditioner (UPQC).

Scope of the Article: Big Data Quality Validation