CAREER: Megawatt Electric Vehicle Superfast Charging Stations with Enhanced Grid Support Functionality as Energy Hubs

研究目标和方法本研究的目标是调查主要的技术挑战，并为具有高性能电网支持能力的下一代、超高速、节能、经济的电动汽车充电站开发新的技术解决方案。该方法是集成和推进新的电力电子、电力系统和控制技术，以开发高功率、低能耗和高可靠性的电力体系结构和能量转换单元。电动汽车充电站将作为可再生能源、电网储能、电动汽车和电网交换能量的能源枢纽，同时实现超快充电和电网支持。智力价值拟议的研究活动开发了电力架构、控制和用于超高速电动汽车充电的高效中频变压器设计的关键技术，以及在交通和可再生能源电气化应用中的电网支持。这些技术的成功开发将显著提高电动汽车充电和电网支持的能量转换效率，增加系统的可靠性，改善充电和电网支持基础设施的电气性能。广泛影响建议的研究降低了电网的能源成本和基础设施费用，减少了温室气体排放影响，促进了电动汽车在社会上的使用。它与交通电气化和绿色能源的国家战略相一致。这项研究与为来自大学、当地高中和当地社区的少数民族学生、女学生、高中生、大学生和高中教师设计的教育计划相结合。

Research Objectives and ApproachesThe objective of this research is to investigate major technological challenges and develop novel technological solutions for next generation, superfast, energy efficient, and economic electric vehicle charging stations with high performance power grid support capabilities. The approach is integrating and advancing novel power electronics, power system and control technologies to develop high power, low energy loss and high reliability power architectures and energy conversion units. The electric vehicle charging station will work as an energy hub where renewable energy sources, grid energy storage, electric vehicles and power grid exchange energies to simultaneously achieve superfast charging and grid supports.Intellectual MeritThe proposed research activity develops critical technologies for power architectures, control and high efficiency medium-frequency transformer design for superfast electric vehicle charging and grid supports in the applications of electrification of transportations and renewable energy. The successful development of the proposed technologies will significantly improve energy conversion efficiency for electric vehicle charging and grid supports, increase system's reliability, and improve the electrical performance of charging and grid support infrastructures.Broader ImpactsThe proposed research reduces the energy cost and the infrastructure expense of electric grids, reduces greenhouse gas emission effects and facilitates the use of electric vehicles in our society. It aligns with the national strategies of the electrification of transportation and green energy. The research is integrated with education plans designed for underrepresented minority students, female students, high school students, university students and high school teachers from the university, local high schools and local communities.