基于HYPERSIM的直流输电系统数模混合仿真接口技术研究  

Hybrid Digital-Analog Simulation Interface Technology for HVDC System Based on HYPERSIM

作　　者：董鹏[1] 朱艺颖 郭强 张剑云 胡涛 刘翀 王薇薇 邱威 黄少锋[1] DONG Peng;ZHU Yiying;GUO Qiang;ZHANG Jianyun;HU Tao;LIU Chong;WANG Weiwei;QIU Wei;HUANG Shaofeng(School of Electrical and Electronic Engineering,North China Electric Power University,Changping District,Beijing102206,China;State Key Laboratory of Power Grid Safety and Energy Conservation(China Electric Power Research Institute),Haidian District,Beijing100192,China;State Grid Corporation of China,Xicheng District,Beijing100031,China)

机构地区：[1]华北电力大学电气与电子工程学院,北京市昌平区102206 [2]电网安全与节能国家重点实验室(中国电力科学研究院有限公司),北京市海淀区100192 [3]国家电网有限公司,北京市西城区100031

出　　处：《电网技术》2018年第12期3895-3902,共8页Power System Technology

基　　金：国家重点研发计划项目(特高压交直流混联大电网运行关键技术标准研究(2017YFF0208101))~~

摘　　要：数模混合仿真接口技术是实现直流输电数模混合仿真的关键技术。该文基于HYPERSIM研究了直流输电系统数模混合仿真模型中的数字侧接口、数模混合接口和直流控保装置侧接口。对数字侧接口的软件配置方法进行了详细研究,针对超级并行计算机提出了优化的解耦和优化的子任务映射方法,确保直流控保装置接入后数模混合仿真系统以50μs的仿真步长实时仿真。研究了电气量模数转换和光纤数字协议通信两种数模混合仿真接口技术,并对其转换原理、同步方式和延时进行了详细研究,信号的单向传输过程均有1个步长的延时,该延时不影响直流系统的响应特性,无需进行补偿。研究了适用于数模混合仿真的直流控保装置的接口配置方式。建立了直流输电系统数模混合仿真模型,通过仿真试验表明该接口技术的有效性。该接口技术可推广应用至接入物理控制器的FACTS、风机等数模混合仿真系统。Hybrid digital-analog simulation interface technology is a key technology for implementing hybrid digital-analog simulation of HVDC transmission system.In this paper,the digital interface,hybrid digital-analog interface,and HVDC control and protection device interface in hybrid digital-analog simulation model of HVDC transmission system are studied.The software configuration of the HVDC system interface is studied in detail.An optimized decoupling and task mapping method based on super parallel computer are proposed to ensure the hybrid simulation system running in real time with step size50μs.Both electrical analog-to-digital conversion technology and optical fiber digital communication technology for hybrid digital-analog simulation are studied. The conversion principle,synchronization and delay are studied in detail.There is a one-step delay in all one-way signal transmissions.This delay does not affect the response characteristics of HVDC system.The interface configuration method of the HVDC control and protection device suitable for hybrid digital-analog simulation is studied.A hybrid digital-analog simulation model of HVDC transmission system is established.Simulation results show effectiveness of the interface technology.The interface technology is applicable to FACTS,wind turbines and other hybrid digital-analog Simulation systems containin gphysical controllers.

关 键 词：直流输电 数模混合 实时仿真 接口 直流控制保护 

分 类 号：TM721[电气工程—电力系统及自动化]