A Study of the effective method of LU factorization for Newton-Raphson Load Flow

Newton-Raphson법을 이용한 조류계산을 위한 효율적인 LU분해 계산 방법에 관한 연구

This paper introduces new ordering algorithms using the graph of data structure and forward/backward substitution of LU decomposition using recursive function. The performance of the algorithm is compared with Tinney's algorithm using 14 bus systems. Test results show that the new fill-in element of Jacobian matrix using the proposed ordering algorithm is same as that of Tinner scheme 3 and the forward/backward substitution can reduce the computation time