此程序是基于VB的节点导纳矩阵的程序设计，只需输入相应线路的线路参数，即可得到该网络的节点导纳矩阵，该设计使得计算节点导纳矩阵变得简单，方便，准确。-This procedure is based on nodal admittance matrix of VB programming, just enter the appropriate line line parameters, you can get the network node admittance matrix, the design makes the compute node admittance matrix becomes simple, convenient and accurate.