新型电力电容器微机保护的研究

Research on Novel Computer-based Protection for Power Capacitor

讨论了电力电容器的保护配置 ,分析了谐波对电容器运行的影响 ,在此基础上提出了电容器微机保护的配置方法和考虑谐波对电容器作用的微机保护动作判据 ,并阐述了微机保护的硬件、软件设计特点和保护算法的设计思路 ,为研制新一代电力电容器微机保护装置做了必要理论准备。

The protection schemes for power capacitor is discussed,and the harm of harmonic on capacitor is analysed.The computer based protection scheme and the operating criterion of protection are presented.Furthermore,the features of soft and hardware of protection device as well as the protection algorithmic are detailed.All these are theoretically heplful to the design of novel computer based protection for power capacitor.