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Grootes, Casper (author)With an increase in higher power (ultra) fast EV charging stations and a new EU law for mandatory deployments of EV charging stations, an optimal MVAC grid connection for these charging stations is desired. Considering this connection, the use of a solid-state transformer (SST) performs better in terms of weight, size and efficiency with a...master thesis 2023
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Meyboom, Jasper (author)In the evolving energy landscape marked by a surge in electric vehicle (EV) adoption, efficient and rapid charging infrastructure becomes imperative. Ultra-Fast Charging Stations (UFCS) employing Direct Current (DC) have arisen as a pivotal solution to this challenge, primarily due to their ability to deliver high power and reduce charging times...master thesis 2023
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Abhyankar, Aashay (author)Global average temperatures are setting new records compared to the previous decade, primarily due to the accumulation of greenhouse gases such as CO<sub>2</sub>. The growth potential in emerging economies worsens the current global situation. These CO<sub>2</sub> emissions are needed to be curtained and efforts are underway. The emissions...master thesis 2023
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Zhang, Jiantong (author)An isolated bidirectional DC-DC converter is designed for a dual-output EV charger. Various DC-DC converter topologies are compared, including single-output converters and dual-output converters. Then one suitable topology is selected between the multiport CLLC converter and triple active bridge converter based on the simulation performances for...master thesis 2023
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Garimella, Mounik (author)This master's thesis presents the design and analysis of the inverter stage and controller architecture for a modular Solid-State Transformer (SST) to interconnect DC microgrids and a 10kV AC grid for bidirectional power flow. The research focuses on inverter topologies, modulation techniques, and modular controller architecture.<br/><br/>The...master thesis 2023
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MC Neil, Kyle (author)As renewable energy sources and DC energy storage continue to increase in modern power systems, the power electronic converters required to interface them with existing power grids are also rapidly increasing. This is resulting in increasing amounts of the total power exchanged on the grids being converted between DC and AC. Additionally, the...master thesis 2023
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Zhou, Xiaochuan (author)Rural electrification remains a significant challenge for engineers, given its intricate relationship with multiple issues, including geographical constraints and underdeveloped infrastructural provisions. As a result, with the development of Solar Home Systems (SHS) and direct current (DC) microgrids, DC systems for energy access have emerged...master thesis 2023
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Bikkina, Deepak (author)Recently, there have been numerous DC microgrids coming up in every sector. Some of these microgrids operate as independent entities with their own renewable energy sources, active loads, distribution networks and energy storage units. However, they are not highly reliable as the renewable energy sources are location and climate dependent....master thesis 2023
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Sinha, Pooja (author)Global electricity usage has been increasing exponentially over the last 40 years and with the current pace of population and economic growth, the same trend will continue in the coming years. However, the current electricity generation is predominantly fossil fuels based, which makes the overall process unsustainable and polluting, and is...master thesis 2022
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Guan, Heshi (author)Despite the Covid-19 pandemic and supply chain challenges, including shortages of semiconductor chips, the electric vehicle (EV) market is expanding rapidly. Automobile manufacturers have been progressively developing business plans, considering electrification as an opportunity to acquire market share and preserve competitive advantages. The...master thesis 2022
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SUN, JIAN (author)An efficient, compact, and lightweight three-phase AC-DC power factor correction (PFC) converter becomes a necessity for the On-board chargers (OBCs) of the electric vehicle (EV) in conventional grid-to-vehicle (G2V) and vehicle-to-grid (V2G) charging scenarios. The commercially available OBCs have very limited power density despite the moderate...master thesis 2022
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Wang, Shumeng (author)This thesis addresses a novel configuration of hot-swappable Multi-Active-Bridge (MAB) DC/DC converter in renewable-energy-based systems. As an extension of the Dual-Active-Bridge (DAB) converter, the MAB converter provides a multiport DC/DC converter solution with bidirectional power flow, simple phase shift control and galvanic isolation, but...master thesis 2022
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Kulkarni, Aniruddh (author)The increasing penetration of the distributed energy sources and the increasing load on the AC grid demands for integration of DC grids in AC distribution network. This has resulted in the requirement of power electronic converters such as DC/AC converters. For different operating conditions of the DC/AC converter it is not recommended for the...master thesis 2022
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Straathof, Coen (author)In this thesis two new modulation methods are proposed for a wide output voltage range dualactive bridge (DAB) converter for bidirectional EV charging application. The objective of theproposed modulation method is to maximize the number of ZVS events over the operating range,while maintaining low current stress. The first modulation method...master thesis 2022
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Lan, Dun (author)With the rapid development of electrical vehicles (EV) and the trends in transportation electrification, the demand for fast charging facilities for electric vehicles is rising. <br/> <br/>In this thesis, a two-stage power electronics converter for DC fast battery charging application is designed and studied. A buck type 12-pulse converter with...master thesis 2022
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Qiang, Rui (author)The range anxiety and relatively long charging time issues of electric vehicles (EVs) have boosted the development of fast charging technology. With charging light EVs being the main focus in the past decade, a trend of promoting the charging infrastructures dedicated to heavy-duty EVs (HDEVs) such as E-trucks, and Ebuses has emerged to further...master thesis 2022
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LIANG, YAWEN (author)Nowadays, electric vehicles (EVs) in the market only travel short distance and are usually charged at home which can be the obstacle in the way of EVs development. As a result, fast charging that can ensure long-distance drive with shorter charging time draws more and more attention.<br/><br/>In emerging fast-charging stations, DC fast chargers ...master thesis 2022
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Kotsis, Kosta (author)Based on a research conducted by the Civil Aviation Organization, by the year 2050 the emissions of aviation are expected to be 7 to 10 times higher than the levels in the beginning of the century. This will result in the emissions of CO2 from the aviation industry alone, to be higher than what the entire transportation industry is allowed for,...master thesis 2021
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Ramakrishnan, Meenakshi Sundaram (author)The current energy systems with the mix of renewable and conventional sources are already working on their maximum capacity in order to meet the existing demand. In the near future to meet the burgeoning demand, the future electrical power system would be a mix of both AC and DC systems coexisting with each other. With the fast paced development...master thesis 2021
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XU, QIXIANG (author)Electric vehicle (EV) charging stations play an important role in the future development of the EV market. Uncoordinated charging will generate extra costs and bring unexpected stress to the grid. Multiple efficient charging strategies were proposed in past papers in order to solve the issues brought by uncoordinated charging. However, to put...master thesis 2021
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