摘要
直流保护系统在直流输电工程中至关重要,关系到整个电网的安全,因此,在特高压/高压直流输电工程中一般采用冗余配置的原则。本文针对目前主要采用的完全双重化和三取二冗余配置的可靠性进行分析比较,证实完全双重化的保护配置的可靠性和安全性比三取二的保护配置更好。为今后直流输电工程的保护系统冗余配置方案选择提供了重要参考。
UHVDC/HVDC protection system is the most important part in the UHVDC/HVDC project, Generally the redundant configuration technique is used in actual UHVDC/HVDC project. The paper mostly discussed reliability of two out of three redundant configuration and full duplication redundant configuration. Through analyse and comparision, the reliability of full duplication redundant configuration is better than two out of three redundant configuration. The conclusion is avail to selection of the protection system redundant configuration mode in future UHVDC/HVDC project.
出处
《电力勘测设计》
2009年第5期58-60,64,共4页
Electric Power Survey & Design
