山东电网直流输电系统建模方法及故障动态特性研究  

Research on Modeling Method and Fault Dynamic Characteristics of HVDC System in Shandong Power Grid

作　　者：郭启伟 GUO Qiwei(Maintenance Company of State Grid Shandong Electric Power Company,Jinan 250118,China)

机构地区：[1]国网山东省电力公司检修公司,山东济南250118

出　　处：《电工技术》2022年第1期21-24,共4页Electric Engineering

摘　　要：基于PSCAD电磁暂态仿真软件提出一种分析山东电网直流系统动态特性的建模方法,该方法密切结合直流设计数据,对控制系统和主电路详细建模,并结合现场故障录波数据图形进行了准确性验证。采用一种基于物理等效的方法对直流受端山东交流电网进行等值处理并在PSCAD中建模,对山东电网的交流网络进行故障模拟,研究其对直流输电系统的影响,为直流输电工程的稳定运行和故障处理提供指导、理论依据。Based on PSCAD electromagnetic transient simulation software,a modeling method for analyzing the dynamic characteristics of DC system in Shandong power grid is proposed.This method closely combines the DC design data to model the control system and the main circuit in detail,and the accuracy is verified combined with field fault recording data graphics.A method based on physical equivalence is used to perform equivalent processing on the DC receiving end Shandong AC power grid and model in PSCAD.The fault simulation of the AC network in Shandong power grid is carried out to study its impact on the HVDC transmission system,which provides guidance and theoretical basis for the stable operation and fault handling of HVDC transmission projects.

关 键 词：直流系统 PSCAD 等值 故障 仿真 动态特性 

分 类 号：TM743[电气工程—电力系统及自动化]