基于改进多中心-校正内点法的可用输电能力计算

SUN Guoqiang

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基于改进多中心-校正内点法的可用输电能力计算

更新时间：2025-08-13

- 基于改进多中心-校正内点法的可用输电能力计算
- Automation of Electric Power Systems Vol. 38, Issue 16, Pages: 47-52(2014)
- 作者机构：
  
  可再生能源发电技术教育部工程研究中心, 河海大学,江苏省,南京市,210098
- 作者简介：
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- DOI：
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- Published：2014
- 稿件说明：
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SUN Guoqiang. [J]. Automation of electric power systems, 2014, 38(16): 47-52.
DOI：

SUN Guoqiang. [J]. Automation of electric power systems, 2014, 38(16): 47-52. DOI：

摘要

针对采用预测-校正内点法求解可用输电能力时可能出现的校正方向错误的缺点

提出基于改进多中心-校正内点法的可用输电能力计算方法。该方法保留了多中心-校正内点法的校正步

解决了计算过程中因校正方向错误而产生的迭代发散问题。选择以预测校正方向作为预测步的仿射方向

并通过预设逻辑判断

有选择地对预测校正过程中校正方向进行加权优化

进一步提高了计算的收敛性。通过对IEEE标准测试系统和某省电网实际系统的仿真计算

验证了该算法的可行性。

Abstract

In view of the adverse effect of the corrector in calculating available transfer capability with the predictor-corrector interior point method

an improved multiple-centrality-correction interior point algorithm is proposed for this purpose. The proposed algorithm retains the corrector step of the multiple-centrality-correction interior point algorithm

solving the iteration divergence problem due to the wrong corrector direction. In this algorithm

the predictor-corrector direction is selected as the affine direction for the centrality corrector

and the weighted corrector is selective to be added in the predictor corrector direction during each predictor-corrector step through pre-installed logic

thus further improving the convergence. Simulation results of an IEEE test system and a real power system are provided to verify the feasibility of the algorithm.

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