【摘要】 本文对1000kV南阳特高压站的CT配置进行了介绍。先分析了本期继电保护、计量系统对CT次级的要求,然后对下一期主变扩建的接口要求进行了分析,据此提出了本期南阳开关的CT配置,包括CT次级的抽头变比设置、准确级设置。文章主要介绍了CT配置方面的一点工程应用体会,以供类似工程参考。更多还原

【Abstract】 An introduction to the secondary configuration of CT for 1000kV Nanyang Switch-station is presented.Firstly,the requirement on CT secondary is analyzed with respect to relay protection and metering system.Secondly,the interface requirement on extension for main power transformer construction at next stage is stated.Last,the secondary configuration of CT is proposed for 1000kV Nanyang Switch-station,including the ratio selection and accuracy set for CT secondary tap.Some experience applied on engineering for CT secondary configuration is summarized and is intended to supply reference to similar project engineering.更多还原