An extended approach for NR load flow with power loss correction method

The Newton-Raphson (NB) method is the famous load flow (LF) calculation technique, and normally used due to its rapidness of numerical convergency. In the conventional NR method, however, there is a somewhat unrealistic assumption under which all the system power losses are considered to be supplied by the slack bus generator. In this study. A new approach for handling the losses and augmenting the conventional NR method is proposed. The proposed method estimates the incremental changes of active power on each generation bus with respect to the total system power loss, and the estimated value are used to update the slack bus power. By doing this the performance of power flow calculation is improved in a global sense.<>