Abstract
The levelized cost of electricity (LCOE) of solar photovoltaic (PV) systems is continuously declining in many countries, which is largely responsible for the current geometric increase in the global deployment of PV modules at utility-scale and residential roof-top systems. Other factors contributing to this trend are the modules' affordability, scalability, and long-term warranty. Furthermore, as the world's energy portfolio continues to transition towards cleaner energy technologies, PV adoption is anticipated to maintain this increasing trend. Nevertheless, during outdoor deployment, the PV modules are subjected to a broad variety of climatic conditions, regardless of the kind, material, and component technology. The modules are frequently exposed to intense chemical, photochemical, and thermo mechanical stress under these hostile environmental conditions. These circumstances, in addition to manufacturing flaws, significantly increase the ageing rate and faults of PV modules. This research looks at the application of Unified Power Quality Conditioners (UPQC) to reduce grid power quality issues and harmonics caused by non-linear loads. In this work, photovoltaic (PV) and battery energy storage systems (BESS) assist the UPQC. In most cases, the load receives its active power from the PV system. On the other hand, the BESS kicks in and supplies electricity if the PV is unable to do so, particularly during the longer-lasting voltage disruption. Due to its considerable dependence on the environment and instability, a hybrid PV-BESS system is more dependable than a solo PV-UPQC system.
Published Version
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