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的是调查主要的技术挑战，并开发新的技术解决方案，为下一代，超快，节能，经济的电动汽车充电站与高性能电网支持能力。 该方法集成和推进新型电力电子、电力系统和控制技术，以开发高功率、低能量损耗和高可靠性的电力架构和能量转换单元。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，同时实现超高速充电和电网支持。智力优势拟议的研究活动开发电力架构的关键技术，控制和高效介质-变频Transformer设计，用于超高速电动汽车充电，并支持运输电气化和可再生能源应用中的电网。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，提高系统的可靠性，并改善充电和电网支持基础设施的电气性能。更广泛的影响拟议的研究降低了能源成本和电网的基础设施费用，减少温室气体排放，并促进社会使用电动车辆。它与交通电气化和绿色能源的国家战略相一致。这项研究与教育计划相结合，这些计划是为代表性不足的少数民族学生、女生、高中生、大学生和来自大学、地方高中和地方社区的高中教师设计的。

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.