多电压等级直流电网典型运行方式潮流分布特性分析  

Analysis on Power Flow Distribution Characteristics in Typical Operation Modes of Multi-voltage-level DC Power Grids

作　　者：刘洁 刘亚磊 LIU Jie;LIU Yalei(State Grid Yingxiuwan Hydropower Plant,Chengdu 611830;Technical Training Center of State Grid Sichuan Electric Power Co.,Ltd.,Chengdu 610072)

机构地区：[1]国网四川省电力公司映秀湾水力发电总厂,四川成都611830 [2]国网四川省电力公司技能培训中心,四川成都610072

出　　处：《电力安全技术》2024年第9期27-31,共5页Electric Safety Technology

摘　　要：通过对多电压等级直流电网典型运行方式进行分类,并进行仿真模拟,同时结合仿真数据对直流电网潮流分布特性进行定性分析。通过对直流电网基础运行方式下的换流站、线路、直流变换器等设备元件的运行状态和控制方式进行修改和调整,进一步拓展出多种适应于多电压等级直流电网的运行方式,并验证了其可行性,可为直流电网网架拓扑构建方式和运行特性的分析研究提供参考。By classifying and simulating the typical operation modes of multi-voltage-level DC grids as well as the combination of simulation data,qualitative analysis is conducted on the power flow distribution characteristics of DC grids.By modifying and adjusting the running status and control mode of equipment elements such as converter station,lines and DC converters in the basic operation mode of DC grids,a variety of operation modes suitable to multi-voltage-level DC grids are expanded with verification of its feasibility,which offers reference for the study on DC grid topology construction mode and operation characteristics analysis.

关 键 词：直流电网 潮流分布 运行方式 

分 类 号：TM74[电气工程—电力系统及自动化]