直接法电力系统的Zbus和Ybus Matlab代码.rar

# ZYbus [](https://se.mathworks.com/matlabcentral/fileexchange/70023-zybus) Zbus and Ybus of a power system using direct method and adding new elemets (new bus or new line or impedance) to an existing one. Second output is bus numbers in the order that Zbus and Ybus are.