交直流混合输电系统电压稳定临界点非线性规划  

Nonlinear programming of voltage stability critical point in AC/DC power systems

作　　者：颜伟[1] 胡刚[1] 余娟[1] 刘艳[1] 

机构地区：[1]重庆大学输配电装备及系统安全与新技术国家重点实验室,重庆400030

出　　处：《中国电力》2009年第8期10-14,共5页Electric Power

基　　金：国家自然科学基金资助项目(50577073)

摘　　要：在充分考虑电压失稳过程及直流控制方式变化影响的基础上,建立交直流混合输电系统电压稳定临界点的非线性规划模型,说明不同直流系统控制方式与电压失稳过程对优化模型变量及约束方程的影响。采用预测校正原对偶内点法求解该电压稳定临界点问题,并基于IEEE14、30和118节点的修正算例系统,全面仿真分析不同控制方式、不同失稳过程及不同补偿能力对交直流系统电压稳定裕度的影响。Considering the influence of voltage instable process and DC system control modes, a set of nonlinear programming models of voltage stability critical point in AC/DC power systems was presented, and the effects of different DC system control modes and process of voltage instability on optimization variables and constraint equations were also explained in detail. These problems were solved by predictor corrector primal-dual interior point method. Based on modified IEEE-14 ,IEEE-30 and IEEE-118 systems, the effects of different DC system control modes, voltage instable process and reactive compensation capacity on voltage stability margin of AC/DC power systems were comprehensively analyzed.

关 键 词：交直流混合输电系统 电压稳定 临界点 预测校正原对偶内点法 

分 类 号：TM712[电气工程—电力系统及自动化]