Y bus matrix for any network for MATLAB

In this code, Y Bus matrix is calculated from the admittance diagram

In a power system, Bus Admittance Matrix represents the nodal admittances of the various buses. With the help of the transmission line, each bus is connected to the various other buses. Admittance matrix is used to analyse the data that is needed in the load or a power flow study of the buses. It explains the admittance and the topology of the network. The following are the advantages of the bus admittance matrix.

1. The data preparation of the bus admittance matrix is very simple.
2. The formation of the bus admittance matrix and their modification is easy.
3. The bus admittance matrix is a sparse matrix thus the computer memory requirement is less.

The amount of current present in the bus can be calculated with the help of formation of the Admittance matrix.

In the simplest form, the above matrix can be written as

I=[Y] V

Where,

• I is the current of the bus in the vector form.
• Y is the admittance matrix
• V is the vector of the bus voltage.