摘要
针对矿热炉电极电流过大、难以实时精确测量等问题,结合改进遗传算法和有限元分析,设计了一种优化的罗氏线圈结构,并进一步建立了罗氏线圈优化系统。首先根据罗氏线圈的测量原理,结合COMSOL软件,建立罗氏线圈仿真模型,并在不同结构参数情况下,对罗氏线圈的测量结果进行分析和比较。通过COMSOL和MATLAB混合编程,以罗氏线圈测量准确率为优化目标函数,结合精英保存策略和惩罚函数改进的遗传算法,实现了罗氏线圈结构的优化设计。优化设计的罗氏线圈在组合使用后能够较精确地测量矿热炉电极电流,满足了矿热炉电极电流测量的要求,具有较好的实用价值。
Aiming at the problems that the electrode current of submerged arc furnace is too large and difficult to measure accurately in real time,combined with the improved genetic algorithm and finite element analysis,an optimized Rogowski coil structure was designed and the Rogowski coil optimization system was further established.Firstly,according to the measurement principles of Rogowski coil,combined with COMSOL software,the Rogowski coil simulation model was established,and the measurement results of Rogowski coil were analyzed and compared under different structural parameters.Through the mixed programming of COMSOL and MATLAB,with the measurement accuracy of Rogowski coil used as the optimization objective function,combined with the genetic algorithm improved by elite preservation strategy and penalty function,the optimization design of Rogowski coil structure was realized.The Rogowski coil optimally designed can accurately measure the electrode current of submerged arc furnace after being used in combination and meet the requirements of the electrode current measurement of submerged arc furnace,which has good practical value.
作者
周潼
王莉
牛群峰
吴书琪
ZHOU Tong;WANG Li;NIU Qun-feng;WU Shu-qi(School of Electrical Engineering, Henan University of Technology, Zhengzhou 450001, China)
出处
《科学技术与工程》
北大核心
2020年第22期9075-9080,共6页
Science Technology and Engineering
基金
河南省科技厅重点研发与推广专项(182102210089)。
关键词
罗氏线圈
矿热炉电极电流
有限元分析
改进遗传算法
精英保存策略
惩罚函数
Rogowski coil
electrode current of submerged arc furnace
finite element analysis
improved genetic algorithm
elite preservation strategy
penalty function
