柔性多状态开关应用场景分析

Analysis on Application Scenarios of Flexible Multi-state Switch

随着配电网负荷、分布式能源及电动汽车的快速增长,传统的配电网结构与调控方式面临巨大挑战,馈线功率失衡、变压器重过载、城市输配电增容困难等问题日益突出。配电网柔性多状态开关技术为解决上述问题带来了可能。文中以配电网区域柔性互联典型应用场景为切入点,分析了柔性多状态开关适用的不同应用场景,研究了不同应用场景下柔性多状态开关的应用背景和优势,并对典型应用场景下功能需求、技术支撑情况、示范应用以及研究难点进行了分析,给出了不同应用场景面临的关键问题和挑战,并展望了柔性多状态开关未来的研究方向。

With the rapid growth of distribution network load,distributed energy and electric vehicles,the traditional distribution network structure and regulation modes are facing huge challenges.Problems such as unbalanced feeder power,heavy overload of transformers,and difficulties in urban power transmission and distribution capacity expansion are increasingly prominent.The flexible multi-state switch technology of distribution networks brings the possibility to solve the above problems.Taking the typical application scenario of flexible interconnection in the distribution network area as the starting point,the paper analyzes the different application scenarios applicable to the flexible multi-state switch,and studies the application background and advantage of the flexible multi-state switch in different application scenarios.The functional requirements,technical support,demonstration application and research difficulties in typical application scenarios are analyzed.The key problems and challenges facing different application scenarios are given,and the future research areas of flexible multi-state switches are prospected.