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M.Tech / M.E / PhD Thesis | Electrical Engineering | India | Volume 7 Issue 5, May 2018 | Popularity: 6.8 / 10

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Improvement of Power Quality Using a Hybrid UPQC with ANFIS Controller

Shaik Roshan, Dr. Ashok Kusagur

Abstract: This paper proposed ANFIS based hybrid UPQC with distributed generator for power quality improvement. This work involves three phase three wire UPQC, there has been significant improvement in the performance of the UPQC under the imbalance source voltage status in this hybrid approach. The UPQC adopted to compensate current and voltage equality problems of sensitive loads and suppressing the load current harmonics under distorted supply conditions. The dc link voltage control is based on the ANFIS controller. The object of this work is to develop the power quality all over and done with a new unified grid-connected inverter-based distributed power system by using ANFIS-UPQC. In this paper ANFIS based UPQC is being used as a Facts controller to mitigate together current & voltage distortions at the consumer end of Distribution system. The concert of ANFIS-UPQC has very precise dynamic response by means of a very simple design of control circuit. This paper shows validation of ANFIS based UPQC and Results are compared with UPQC by means of hysteresis control Band by means of fuzzy logic controller and improvements are observed. The ANFIS-UPQC reduces the harmonics at highly accepted level compared to fuzzy logic Controller based UPQC. The simulation results, carried away by MATLAB/Simulink, shows that ANFIS-UPQC has a less THD and the output voltage/Current profiles are improved compared to fuzzy logic Controller based UPQC.

Keywords: Power Quality PQ, UPQC, PI Controller, ANFIS, MATLAB/SIMULINK

Edition: Volume 7 Issue 5, May 2018

Pages: 1448 - 1453

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