DC load flow calculation method considering Loss

The present invention provides a DC load flow calculation method considering grid loss, the method comprising the steps of: collecting data; injection of active power computing node; and solving flow equations listed DC; Grid computing branch power loss; determining whether the iteration; calculated loss equivalent load. The method of the present invention to provide a DC load flow calculation standard improved, considering the power loss caused by the resistance branch, using the equivalent load losses of the injection of active power correction node, is obtained by considering a DC losses iterative calculation method flow calculation results. This method can solve the standard DC power flow calculation due to the net loss caused by ignoring the active power imbalance and active distribution is more reasonable question, so that the DC power flow calculation results closer to the actual trend of the results.