Hybrid Controller Based Solar-Fuel Cell Integrated UPQC for Power Quality Enhancement

Sravanthy Gaddameedhi, Koganti Srilakshmi, K Krishna Jyothi, G Kalyani, Aryan Y, K Sumanth, Aravindhababu Palanivelu

Abstract


This work introduces a hybrid controller for unified power quality conditioner (UPQC) with solar system (SS) integrated with Fuel cell (FC) for enhancement of power quality in distribution networks. The hybrid controller is a combination of both fuzzy and integral sliding mode controllers (FISMHC). SS-FC based UPQC consists of a series and shunt active power filters, which are back-to-back, coupled by means of a common dc link capacitor. Unique qualities of the projected technique are: (1) maintenance of constant DC-Link voltage with very low settling time without overshoot, load current compensation (2) extreme performance in elimination of grid voltage fluctuations and, (3) minimization of harmonics in source current and load voltage waveforms. Further, to exhibits the superior performance of U-FISMHC the investigation is carried out for different case studies involving variation in solar irradiation, unbalanced supply voltage with non-liner and unbalanced loads and comparative analysis with PIC, FLC and SMC. 

Keywords


Power Quality, UPQC, pulse width modulation, fuzzy logic, THD, voltage sag and swell.

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References


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DOI (PDF): https://doi.org/10.20508/ijrer.v11i4.12397.g8321

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