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Study on AC/DC power flow algorithm considering the switching of DC control mode and converter transformer ratio
Author(s): 
Pages: 40-45,52
Year: Issue:  1
Journal: Relay

Abstract: 在分析统一迭代法及交替迭代法优缺点的基础上,提出了改进的交替迭代法以计算交直流系统潮流.该算法计及了直流变量的边界约束,对交流及直流系统潮流方程均采用牛顿拉夫逊法求解,确保了直流子系统雅可比矩阵可逆.分析了交流系统修正雅可比矩阵在计算过程中可能出现虚部的原因,给出了换流变分接头调整的策略.以修改后的IEEE39系统为例,验证了所提算法的正确性.重点讨论了当节点负荷缓慢增加时,潮流计算中换流变调整分...
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