直流测量异常对直流控制保护系统的影响及响应特性分析  

Analysis of the Influence of HVDC Abnormal Measurement on HVDC Control and Protection System and Response Characteristics

作　　者：黄繁朝 陈极升[1] HUANG Fanchao;CHEN Jisheng(Liuzhou Bureau,CSC EHV Power Transmission Company,Guangxi Liuzhou 545006,China)

机构地区：[1]中国南方电网超高压输电公司柳州局,广西柳州545006

出　　处：《广西电力》2020年第2期9-14,共6页Guangxi Electric Power

摘　　要：直流测量主要包括直流电压测量和直流电流测量,其结果的准确性是保证直流控制保护系统可靠运行的关键。本文以某直流工程为例,在分析电子式直流互感器工作原理的基础上,从直流电压、直流电流控制策略出发,深入分析了直流电压、电流测量异常对直流控制保护系统的影响及其响应特性。本文结论可为现场运维人员处理有关直流测量异常提供参考与借鉴。HVDC measurement mainly includes HVDC voltage measurement and HVDC current measurement.The accuracy of the results is the key to ensure the reliable operation of the HVDC control and protection system.An HVDC project is taken as an example in this paper to deeply analyze the influence of HVDC voltage and current abnormal measurement on the HVDC control protection system and its response characteristics based on the analysis of the principle of electronic HVDC instrument transformers and from the HVDC voltage and HVDC current control strategies.The conclusion in this paper can serve as a reference for field operation and maintenance personnel to deal with abnormal HVDC measurement.

关 键 词：HVDC 电子式直流互感器 直流电压控制 直流电流控制 

分 类 号：TM721.1[电气工程—电力系统及自动化]