基于特性参数矩阵的混合多端直流系统可靠性分析  

Reliability Analysis of Hybrid Multi-Terminal DC System Based on Characteristic Parameter Matrix

作　　者：徐攀腾[1] 喻文翔 朱博 宋述波[1] 郑星星[1] 樊友平[2] XU Panteng;YU Wenxiang;ZHU Bo;SONG Shubo;ZHENG Xingxing;FAN Youping(Guangzhou Bureau of EHV Power Transmission Company,CSG,Guangzhou 510500,China;School of Electrical and Automation,Wuhan University,Wuhan 430072,China)

机构地区：[1]中国南方电网有限责任公司超高压输电公司广州局,广州510500 [2]武汉大学电气与自动化学院,武汉430072

出　　处：《南方电网技术》2022年第2期111-120,共10页Southern Power System Technology

基　　金：国家重点研发计划项目(2016YFB0900903)。

摘　　要：随着输电走廊资源的日趋紧张,特高压混合多端直流输电系统将有望成为直流输电系统发展的主流趋势,对其进行可靠性评估成为电力系统规划、设计和运行的一个十分重要环节。首先建立了特高压混合多端直流输电系统的可靠性评估模型,随后提出了基于特性参数矩阵的可靠性评估算法,实现对特高压混合多端直流输电系统的可靠性评估。最后基于相关算例,使用所提方法和常规方法分别对其进行可靠性评估分析,根据可靠性评估计算结果对比验证了所提方法的高效性和准确性,对于复杂的特高压混合多端直流输电系统具有良好的适用价值。As the resources of transmission corridors become increasingly scarce,UHV hybrid multi-terminal DC transmission systems are expected to become the mainstream trend in the development of DC transmission systems.Reliability assessment of them has become a very important part of power system planning,design and operation.First,the reliability evaluation model of the UHV hybrid multi-terminal DC transmission system is established,and then the reliability evaluation algorithm based on the characteristic parameter matrix is proposed to realize the reliability evaluation of UHV hybrid multi-terminal DC transmission system.Finally,based on relevant calculation examples,the proposed method and conventional method are used to evaluate and analyze the reliability respectively.According to the comparison of the reliability evaluation calculation results,the efficiency and accuracy of the proposed method are verified.For complex UHV hybrid multi-terminal DC transmission,the system has good applicable value.

关 键 词：多端直流输电 可靠性评估 特性参数矩阵 高效性 

分 类 号：TM721[电气工程—电力系统及自动化]