特高压混合级联直流实时数字仿真系统  

Real-time Digital Simulation System of Hybrid1 Cascade UHVDC

作　　者：马云龙 侍乔明 赵文强[2] 王建安[2] MA Yun-long;SHI Qiao-ming;ZHAO Wen-qiang;WANG Jian-an(State Grid UHV Engineering Construction Company,Beijing 100052,China)

机构地区：[1]国家电网有限公司特高压建设分公司,北京100052 [2]南京南瑞继保电气有限公司,江苏南京211102

出　　处：《电力电子技术》2023年第10期43-47,共5页Power Electronics

基　　金：国家重点研发计划(2021YFB2400805)。

摘　　要：±800 kV混合级联特高压直流(UHVDC)实时仿真系统具有仿真主体多样、仿真时间尺度广、系统接口复杂等特点,这里针对混合级联UHVDC控制保护技术工程应用研究及现场问题分析需求,提出了一种高效灵活的混合级联UHVDC硬件在环实时仿真系统设计方法,通过采用RTDS+GTFPGA+数字化I/O的实时仿真架构,一方面解决了混合级联UHVDC存在的多时间尺度联合实时仿真难题,另一方面通过数字化I/O增加了仿真系统构建的灵活性,简化了二次系统设计,降低了系统构建成本。研制了包含实际控制保护主机的混合级联UHVDC硬件在环实时仿真系统,开展了极启动、换流器在线退出、交直流系统故障等仿真试验测试,验证了所提设计方法的有效性。The±800 kV hybrid cascade ultra-high voltage direct current(UHVDC)real-time simulation system has the characteristics of various simulation subjects,wide simulation time scale and complex system interface.Aiming at the requirements of engineering application research and field problem analysis of hybrid cascaded UHVDC control and protection technology,an efficient and flexible design method is proposed for the real-time simulation system of hybrid cascade UHVDC hardware in loop by using RTDS+GTFPGA+digital I/O real-time simulation architecture.This method not only solve the multi-time scale joint real-time simulation problem of hybrid cascade UHVDC,but also increase the flexibility of simulation system construction,simplifies the secondary system design and reduce the system construction cost through digital I/O.A hybrid cascade UHVDC hardware in loop real-time simulation system containing the actual control and protection system is developed and tested,and the simulation tests of pole start,converter exit and AC/DC system fault are carried out.The effectiveness of the proposed design method is verified.

关 键 词：特高压直流 混合级联 实时仿真 

分 类 号：TM721.1[电气工程—电力系统及自动化]