基于VxWorks平台的直流输电控制系统定值校核应用  

Application of setting value check of DC transmission control system based on VxWorks platform

作　　者：谭劲[1] 李道豫 邢方勃 姚纳 魏红星 龙超城 TAN Jin;LI Daoyu;XING Fangbo;YAO Na;WEI Hongxing;LONG Chaocheng(Guiyang Bureau of China Southern Power Grid EHV transmission company,Guiyan 550081,China;Guiyang Ruitai Electric Power Technology Co.,Ltd,Guiyan 550002,China)

机构地区：[1]中国南方电网超高压输电公司贵阳局,贵阳550081 [2]贵阳锐泰电力科技有限公司,贵阳550002

出　　处：《自动化与仪器仪表》2022年第5期132-135,141,共5页Automation & Instrumentation

基　　金：国家自然科学基金项目(CGYKJXM20200191)。

摘　　要：针对传统系统存在定值校核误差大、稳定性不好的问题,提出基于VxWorks平台的直流输电控制系统定值校核方法。构建直流输电控制系统的耦合波动参数解析模型,结合输电控制的载荷测量方法进行定值校核过程的参数统计分析,采用VxWorks平台构建定值校核模型的异构参数融合平台,采用传感器进行直流输电控制系统的阻抗比与振荡阻尼特征参数采集,构建直流输电控制系统纵向并网系统谐波谐振稳定性控制模型,运用VxWorks平台建立直流输电控制系统定值参数演化分析模型,结合物理环节、物理量联系概率密度分布,得到VxWorks平台下直流输电控制系统定值参数拟合值,通过业务流转和电源输出规划方法,实现直流输电控制系统定值校核。测试结果表明,采用该方法进行直流输电控制系统定值校核的精度较高,校核过程的稳定性较好。Aiming at the problems of large error and poor stability in traditional system setting check,a setting check method of HVDC control system based on VxWorks platform is proposed.The analytical model of coupling fluctuation parameters of HVDC control system is constructed.The load measurement method of transmission control is combined to carry out the parameter statistical analysis in the process of setting value verification.The VxWorks platform is used to build the heterogeneous parameter fusion platform of setting value verification model.The impedance ratio and oscillation damping characteristic parameters of HVDC control system are collected by sensors,The harmonic resonance stability control model of vertical grid connected HVDC control system is constructed,and the evolution analysis model of DC transmission control system setting parameters is established by using VxWorks platform.Combined with the physical link and physical quantity connection probability density distribution,the fitting values of DC transmission control system setting parameters under VxWorks platform are obtained,It can check the setting value of HVDC control system.The test results show that this method has high accuracy and good stability.

关 键 词：VXWORKS平台 直流输电 控制系统 定值校核 

分 类 号：TP206[自动化与计算机技术—检测技术与自动化装置] TN73[自动化与计算机技术—控制科学与工程]