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An algorithm for voltage stability assessment of AC/DC power system based on continuation method and interior point theory
Author(s): 
Pages: 22-26
Year: Issue:  22
Journal: RELAY

Keyword:  交直流系统电压稳定性连续潮流法内点法负荷裕度;
Abstract: 基于连续潮流法和原始-对偶内点法,提出了一种新的分段求解交直流系统负荷裕度方法.首先根据直流系统的调节特性,运用连续潮流法计算初始运行点到直流控制方式调整点系统的负荷增量.然后基于交直流网络间的耦合关系,推导得到交直流系统的Jacobi、Hessian矩阵,进而运用原始-对偶内点法求解直流控制方式改变后交直流系统的负荷裕度.该方法具有较好的收敛性,且能方便考虑直流量的约束和控制方式调整的问题,并经算例仿真验证该方法的准确性和快速收敛性.
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