A novel power flow tracing approach considering power losses

This paper proposes a new approach on tracing power flow and losses simultaneously, which is based on proportional sharing principle. Each node is equivalent to two nodes, an active power node and a reactive power node. Then a proportional sharing matrix M is built up. To trace power flow, searching this matrix gets the contribution factors of each generator and each line-to-ground capacitance to each load. During the process of tracing, line charging power is equivalent to reactive power source in the both ends of a line, and loop flow is detected and settled. Numerical test shows that the proposed method can trace both power flow and losses correctly and effectively, which provides foundation for transmission charge allocation.