A Review on VSC-HVDC Reliability Modeling and Evaluation Techniques

[摘要] With the fast development of power electronics, voltage-source converter (VSC) HVDC technology presents cost-effective ways for bulk power transmission. An increasing number of VSC-HVDC projects has been installed worldwide. Their reliability affects the profitability of the system and therefore has a major impact on the potential investors. In this paper, an overview of the recent advances in the area of reliability evaluation for VSC-HVDC systems is provided. Taken into account the latest multi-level converter topology, the VSC-HVDC system is categorized into several sub-systems and the reliability data for the key components is discussed based on sources with academic and industrial backgrounds. The development of reliability evaluation methodologies is reviewed and the issues surrounding the different computation approaches are briefly analysed. A general VSC-HVDC reliability evaluation procedure is illustrated in this paper.

[发布机构] State Grid Sichuan Economic Research Institute Chengdu, China^1;State Power Economic Research Institute Beijing, China^2

[效力级别] 电工学

[关键词] Bulk power transmissions;Evaluation techniques;Multilevel converter;Potential investors;Reliability data;Reliability Evaluation;Reliability model;Voltage-source converter-hvdc