Control and Energy Management of Hybrid Wind-PV-Battery for an Isolated System

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Date
2018-12-10
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MPUT, UDAIPUR
Abstract
The wide CO2 released into the atmosphere and millions of people worldwide are not able to access electricity which is most basic goods for human survival. From the last century coal, oil, gas and nuclear energy are used for power production at a large scale. This type of source requires very high maintenance for power generation and leads to a large amount of wastage. Renewable energy sources are a natural source of power and they can produce power from nature at an economical rate. Renewable energy sources such as wind, solar, hydro, Biogas and biomass are used for power production. From these sources wind and PV has high potential and produces highly efficient output power. We can’t produce over-capacity power from a single source, so we have to integrate two or more than two sources as hybrid wind-solar-battery to meet load profile. A hybrid wind-PV-battery system dynamic model developed in MATLAB/Simulink software, the control strategy for energy management proposed by the fuzzy logic rule viewer. A PV panel, wind panel and dynamic models of lithium-ion storage connected together with the DC link and all these sources are working on the basis of fuzzy rule based control. The DC link is connected through the power electronic interfacing circuit (converters) and converters connected to a source for a diverse electricity generation. All sources work on the basis of the MPPT control algorithm, which will work if and only if the panel operates at the peak point of power generation. The hybrid generation systems that can maintain continuous load power demand and provide satisfied operation on the main constraints. The developed control strategy can control various devices and different power interface circuitry. The main objective of this thesis is that to ensure a continuous power by coordinating appropriate control strategy with all sources. The simulation studies have been carried out to determine system performance with different scenarios of the sources such as typical solar radiation, temperature, air and battery charge or discharge conditions. Simulation test results show variable power generation and verify the performance of the integrated system with control strategy is overall effective for real-time installation. The developed system is essential in an isolated region where an existing grid is unable to supply secure power generation and system is beneficial with smartly feed ultimate power generation sources.
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Control and Energy Management of Hybrid Wind-PV-Battery for an Isolated System
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Citation
Nagda K.K. And Joshi R.R.
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