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What are the research on harmonic mitigation techniques using UPQC (Unbalanced Power Quality Conditioning)? 


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Harmonic mitigation techniques using UPQC have been the focus of several research papers. Chatterjee et al. proposed a distributed generator-based UPQC with a star-connected transformer to enhance power quality. They implemented a fuzzy logic-based controller for DC link control and demonstrated the effectiveness of their approach using simulation results . Another paper by Lips introduced a hybrid ant colony optimization algorithm to optimize the fuzzy logic parameters of the UPQC. The proposed system showed improved performance compared to existing controllers . Additionally, a paper by Kumar et al. presented a UPQC control strategy based on the beetle antennae search algorithm. The optimized quasi-proportional integral resonance controller showed better accuracy and resistance to interference . These studies highlight the importance of UPQC in mitigating power quality issues and the use of optimization algorithms to enhance its performance.

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The provided paper does not specifically mention research on harmonic mitigation techniques using UPQC (Unbalanced Power Quality Conditioning).
The paper discusses the use of UPQC for power quality issues, including harmonics. It mentions that UPQC is regarded as a special tool for power quality issues, but does not provide specific research on harmonic mitigation techniques using UPQC.
The paper does not specifically mention research on harmonic mitigation techniques using UPQC.
The paper discusses a proposed technique for harmonic mitigation using a Y-connected transformer with a low voltage rating linked to a hybrid unified power quality conditioner (UPQC).
The paper proposes a UPQC harmonic control method based on the beetle antennae search (BAS) algorithm to optimize the parameters of the quasi-proportional integral resonance (QPIR) controller.

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