Available Transfer Capability Algorithm of AC-DC Combined System Based on Voltage Stability Constrains

Yang Shenlin Li Huaqiang Di Tao

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Available Transfer Capability Algorithm of AC-DC Combined System Based on Voltage Stability Constrains

更新时间：2025-11-18

- Available Transfer Capability Algorithm of AC-DC Combined System Based on Voltage Stability Constrains
- Issue 5, Pages: 31-34(2008)
- 作者机构：
  
  四川大学电气信息学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM744
- Published：2008
- 稿件说明：
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[1]杨慎林,李华强,邸弢.基于电压稳定约束下的交直流系统可用传输能力计算[J].四川电力技术,2008(05):31-34.

Yang Shenlin Li Huaqiang Di Tao. Available Transfer Capability Algorithm of AC-DC Combined System Based on Voltage Stability Constrains[J]. 2008, (5): 31-34.
[1]杨慎林,李华强,邸弢.基于电压稳定约束下的交直流系统可用传输能力计算[J].四川电力技术,2008(05):31-34. DOI：

Yang Shenlin Li Huaqiang Di Tao. Available Transfer Capability Algorithm of AC-DC Combined System Based on Voltage Stability Constrains[J]. 2008, (5): 31-34. DOI：

摘要

将基于电压稳定约束下的交直流混合系统的可利用传输能力求解问题归结为非线性规划问题

并运用原始-对偶内点法来求解优化模型。首先由交直流网络间的耦合关系和换流器转换方程

推导出直角坐标系交直流系统的Jacobi、Hessian矩阵

然后针对交直流系统控制方式的改变提出分段求解的方法求解电压稳定约束条件下的可用传输能力。仿真算例验证了该龄算法能方便考虑直流变量约束及运行方式的调整

且对初始值选择要求不高

收敛迭代次数少。

Abstract

The ATC model of AC-DC combined system based on voltage stability constrains is summed up as optimization problem

which is solved by original-dual interior point algorithm.First the Jacobi and Hessian matrix in the Cartesian coordinate system are derived from the converter conversion equations

coupling relation between AC system and DC system

then sub-solving method is proposed to solve ATC in varies control modes of AC-DC combined system within voltage stability constrains.The numerical example provides that the algorithm can consider DC variable constraint and operation mode adjustment easily

not sensitive to the initial value and have fewer numbers of convergence iteration.

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