接地矩形导体槽电位分布的计算与分析

运用分离变量法和有限差分法分别对接地矩形导体槽内电位的解析解和数值解进行了分析，并通过MATLAB编程算出场域中一些点的电位值，比较它们的计算结果，其相对误差很小，表明数值解与解析解一样完全能够描述域中的电位分布．因此，在计算与分析过程中，可把两种方法结合起来，既加深对场域中电位分布情况的理解，又能起到相互验证的作用．

ANALYSIS AND CALCULATION OF ELECTRIC POTENTIAL DISTRIBUTION IN GROUNDING RECTANGULAR CONDUCTOR SLOT

The paper extracts the analytic and arithmetic solution of electric potential in grounding rectangular conductor slot by separation of variables and finite difference calculus, and figure outs the results of the analytic and arithmetic solution of electric potential for some places by compiling computer program of MATLAB language. Comparing the results of the analytic solution with the results of the arithmetic solution, the relative errors between them are very little, which shows that the arithmetic solution method absolutely describes electric potential distribution of field as analytic solution. Therefore, combining two numerations not only enhances to understand electric potential distribution but also produces effect of validating each other in the process of calculation and analysis.