基于七阶NR法的柔性直流系统潮流算法

Power Flow Algorithm of Flexible DC System Based on Seventh-Order NR Method

针对当前柔性直流输电系统潮流算法存在的求解效率问题,提出了基于七阶牛顿-拉夫逊(Newton-Raphson,NR)法的潮流算法。相较于传统的潮流算法而言,该算法具有更高的收敛阶数,可以有效减少迭代次数,提升算法效率,进而对修改后的IEEE标准算例进行仿真测试。仿真结果表明,该算法具有与传统NR法相同的精确性,且在计算速度方面更具优势。

Aiming at the problem of solving efficiency of the power flow algorithm of flexible DC transmission system,a power flow algorithm based on the seventh-order Newton-Raphson(NR) method is proposed,which has a higher convergence order compared with the traditional power flow algorithm and can effectively reduce the number of iterations and improve the efficiency of the algorithm,and then the modified IEEE standard examples is simulated and tested,and the results show that the algorithm in this paper has the same accuracy as the traditional NR method,and also has more advantages in terms of computational speed.