基于马尔可夫过程的柔性直流输电系统可靠性分析

马河涛; 黄守道; 饶宏; 周保荣; 荣飞

引用本文:	马河涛,黄守道,饶宏,等.基于马尔可夫过程的柔性直流输电系统可靠性分析[J].电力系统保护与控制,2018,46(10):10-16.
	MA Hetao,HUANG Shoudao,RAO Hong,et al.Reliability analysis of VSC-HVDC system based on Markov process[J].Power System Protection and Control,2018,46(10):10-16

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基于马尔可夫过程的柔性直流输电系统可靠性分析
马河涛¹,黄守道¹,饶宏²,周保荣²,荣飞¹
(1.湖南大学电气与信息工程学院，湖南长沙 410082; 2.直流输电技术国家重点实验室，南方电网科学研究院有限责任公司，广东广州 510620)

摘要:

概述柔性直流输电技术(Voltage Sourced Converters High Voltage Direct Current, VSC-HVDC)的研究现状，从模块化多电平换流器(Modular Multi-level Converter, MMC)的子模块(SM)冗余配置方法、系统拓扑结构、控制保护以及故障分析等方面进行阐述。根据实际情况说明该研究的必要性。介绍并推导马尔可夫过程，结合马尔可夫过程针对某直流输电工程的主接线方式提出一种可靠性分析模型。最后，通过在Matlab中编写程序实现了对所建模型的计算。所得结果和ABB公司的统计资料进行对比，验证了所提出的方法适用于柔性直流输电系统可靠性分析。

关键词: 柔性直流输电模块化多电平换流器马尔可夫过程备用策略可靠性

DOI：10.7667/PSPC170636

分类号:

基金项目:国家重点研发计划(2016YFB0901001)

Reliability analysis of VSC-HVDC system based on Markov process

MA Hetao¹,HUANG Shoudao¹,RAO Hong²,ZHOU Baorong²,RONG Fei¹

(1. College of Electrical and Information Engineering, Hunan University, Changsha 410082, China;2. State Key Laboratory of HVDC, Electric Power Research Institute, China Southern Power Grid, Guangzhou 510620, China)

Abstract:

This paper summarizes the status quo of studying VSC-HVDC, and discusses the redundant configuration methods of the Modular Multi-level Converter (MMC)’s Sub-Module (SM), and topological structure, control and protection, fault analysis, etc. The necessity of this study is justifiable on the grounds of realities. Moreover, this paper introduces and deduces the Markov process and applies it to propose a reliability analysis model for the main wiring diagram of a HVDC transmission project. Finally, the calculation of the model is carried out by the program written in Matlab. By comparing the results with the statistical data of ABB, it testifies that the method proposed is suitable for the reliability analysis of VSC-HVDC system. This work is supported by National Key Research and Development Program of China (No. 2016YFB0901001).

Key words: VSC-HVDC modular multi-level converter Markov process redundant strategies reliability

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