高压大容量直流变压器拓扑研究综述及展望  

Overview and Prospect of Topology Research on High Voltage and Large Capacity DC Transformer

作　　者：魏辰阳 汤广福 吴奕霖 林志光 高冲 贺之渊 WEI Chenyang;TANG Guangfu;WU Yilin;LIN Zhiguang;GAO Chong;HE Zhiyuan(China Electric Power Research Institute,Haidian District,Beijing 100192,China;State Key Laboratory of Advanced Transmission Technology,Changping District,Beijing 102209,China)

机构地区：[1]中国电力科学研究院有限公司,北京市海淀区100192 [2]先进输电技术全国重点实验室,北京市昌平区102209

出　　处：《中国电机工程学报》2024年第17期6940-6958,I0018,共20页PROCEEDINGS OF THE CHINESE SOCIETY FOR ELECTRICAL ENGINEERING

基　　金：国家电网公司科技项目(5100-202258276A-2-0-XG)。

摘　　要：发展以直流汇集、直流输配电等为基础的直流电网技术,是未来支撑大规模新能源汇集送出和适应多元负荷接入的关键技术。高压大容量直流变压器作为直流电网中最核心的装备之一,起到直流电压变换和直流潮流控制的重要作用。针对现有的高压大容量直流变压器研究现状和发展情况,该文首先介绍了3个主要的应用场景,并以此为基础分析了高压大容量直流变压器的技术需求;然后系统的归纳了现有高压大容量直流变压器拓扑的国内外研究现状,并总结了高压大容量构造规律和拓扑间的共性规律与连接关系。最后展望了未来亟待研究的问题和可能的发展方向。所述内容可为高压大容量直流变压器的进一步发展和工程应用提供一定的技术参考。Developing direct current(DC)grid technology based on DC aggregation,DC transmission and distribution is crucial for supporting large-scale renewable energy integration and adapting to diverse load connections in the future.High-voltage,large-capacity DC transformer,as one of the most critical equipment in DC grids,play an essential role in DC voltage conversion and power flow control.Addressing the current research status and development situation of high-voltage,large-capacity DC transformer,this paper first introduces three main application scenarios and analyzes the technical requirements based on them.Then,it systematically summarizes the research status of high-voltage,large-capacity DC transformer topologies at domestic and abroad and summarizes the common structural patterns and interconnections among topologies.Finally,it provides prospects for future research issues and possible development directions.This content can serve as a technical reference for the further development and engineering application of high-voltage,large-capacity DC transformer.

关 键 词：直流电网 直流输电 新能源汇集 高压大容量直流变压器 直流变压器拓扑 

分 类 号：TM46[电气工程—电器]