摘要
建立变电站接地网阴极保护数学模型,并采用有限元法进行求解。假定系统在某一时段处于稳态电流场,得出电位应满足的拉普拉斯方程的描述方程;在合理的假设下设置阳极、地表面边界及虚设球冠、阴极三种边界条件。通过划分几何模型和构造插值函数、分析剖分单元采用有限元法进行求解。实验表明,所建立的模型达到预期效果。
Establishes the mathematical model of substation grounding grid cathodic protection, and solves it by the finite element method. Assuming that the system is in a steady state at a certain time, the description equation of the Laplace equation which the potential should be satisfied is obtained. Dummy spherical cap and cathode boundary conditions are set under reasonable hypothesis. Through the partition geometric model and construction interpolation function, analysis of the split element uses the finite element method. The result shows that the model achieves the expected effect.
基金
西安科技大学培育基金(No.201615)
关键词
接地网
阴极保护
描述方程
边界条件
有限元
Grounding Grid
Cathodic Protection
Description Equation
Boundary Conditions
Finite Element Method
作者简介
韩娟(1989-),女,陕西咸阳人,硕士,研究方向为最优化理论、算法设计与分析