|Research on the effect of hybrid PV-tidal renewable energy and building-EV systems on energy matching and economics
|Cao, Sunliang (BEEE)
|Renewable energy sources
Buildings -- Energy conservation
Electric vehicles -- Power supply
Hong Kong Polytechnic University -- Dissertations
|Department of Building Environment and Energy Engineering
|viii, 56 pages : color illustrations, maps
|Industrialization and technological development have brought convenience to mankind, but they have also brought climate change. The overuse of fossil fuels has increased global warming by raising the atmospheric concentration of greenhouse gases. In order to solve this problem, research on the application of renewable energy and research on zero-energy buildings has become popular. In this study, a harbour hotel supported by PV-tidal renewable energy system, with Building-EV system is investigated. The study methodology includes energy simulations in TRNSYS software to compare the energy matching of renewables at different percentages and the comparison of economic indicators under different scenarios. The results show that in hybrid renewable energy systems, energy matching improves in all cases as the proportion of high energy density tidal energy increases, but the payback period of the system increases and the NPV decreases with the introduction of tidal energy due to the high initial investment of tidal stream generator. In terms of the Building-EV system, the energy matching of the system is improved with the integration of the building to vehicle interaction, the payback period of the project is shortened and net present value increase, but the integration of the vehicle to building interaction does not improve the technical-economic indicators significantly. This study highlights the benefits of using an electric bus as a single energy storage system and shows that research could be optimised on capacity of EV.
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