Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/64880
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dc.contributor.authorJohn Mohamed Khalida Thasneem Fathima
dc.date.accessioned2015-06-09T02:53:41Z
dc.date.available2015-06-09T02:53:41Z
dc.date.copyright2014en_US
dc.date.issued2014
dc.identifier.urihttp://hdl.handle.net/10356/64880
dc.description.abstractImportance and interest for Photovoltaic installations have been increased in the recent times. But this brings new and many challenges to the electricity grid. The output power of the PV system is naturally intermittent and fluctuating due to the fluctuating sun irradiation and temperature, in contrast to the conventional power plants based on fossil fuels. Thus the reliability of the supply is challenged. One of the potential solutions to overcome this challenge is to integrate an energy storage system with the PV system. One of the good solutions is to use Battery Energy Storage System along with the PV Installations as the reliability of the supply system is increased. The project aims in integrating Vanadium Redox Flow Battery (VRB) with the PV system. Vanadium Redox Flow Battery has many advantages compared to conventional batteries. It has relatively high number of cycles, rare self-discharging rate and independent power and energy rating. Thus VRB has excellent characteristics and thus suitable for large scale energy storage applications. The PV-VRB integrated system can provide a reliable supply. When the PV system supply is more than the required demand the excess power is used for charging the VRB. When the output from the PV system is lower than the demand, the VRB discharges and compensates for the power mismatch between PV system and the grid. The VRB is connected to the DC bus by a bidirectional converter which determines and controls the mode of operation of the VRB (charging and discharging) in order to maintain the PV output power. A control strategy for the bi-directional converter is developed and the results have been simulated and analysed.en_US
dc.format.extent64 p.en_US
dc.language.isoenen_US
dc.subjectDRNTU::Engineering::Electrical and electronic engineering::Electric poweren_US
dc.titleControl strategy of bi-directional converter for PV-VRB energy storage systemen_US
dc.typeThesis
dc.contributor.supervisorZhao Jiyunen_US
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen_US
dc.description.degreeMaster of Science (Power Engineering)en_US
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