静止同步补偿器的开关函数建模与仿真  

Modeling and simulation for STATCOM using switching function

作　　者：詹厚剑[1,2] 吴杰康[2] 康海兵[3] 

机构地区：[1]广西电力调度通信中心 [2]广西大学电气工程学院 [3]中国人民解放军91526部队

出　　处：《电力系统保护与控制》2010年第10期66-70,共5页Power System Protection and Control

基　　金：国家自然科学基金项目(50767001);国家863高技术基金项目(2007AA04Z100);广西自然科学基金项目(桂科自0640028);广西高校百名中青年学科带头人资助计划项目(RC200608080 02)~~

摘　　要：针对目前静止同步补偿器(Static Synchronous Compensator,STATCOM)输出建模和拓扑建模等方法的不足,通过引入单极性二值逻辑开关函数,建立了基于变换器物理特性和拓扑结构的开关函数模型。该模型的参数都是装置实际的物理参数,易于确定,更具一般性。对380V两机系统进行的仿真计算证明了所提模型和方法的正确性和有效性,并验证了STATCOM对系统无功补偿和电压稳定具有重要作用。With consideration of the shortages of output model-constructing method and topological model-constructing method for Static Synchronous Compensator（STATCOM）,a switching function mathematical model of this device based on physical characteristics and topology of the converter is constructed by introducing the concept of the single-pole two-valued logic switching function.The parameters of the model are real physical ones of STATCOM device,which makes this model easier to be certain and more general.Simulation results of 380 V double-machine system prove that not only the proposed model and method are correct and effective,but STATCOM plays an important role on voltage stability and reactive supply in power systems.

关 键 词：开关函数 静止同步补偿器 变换器 建模 电压稳定 

分 类 号：TM761[电气工程—电力系统及自动化]