一种求解可用传输容量的新方法  

A New Method to Calculate Available Transfer Capability

作　　者：严赵宇[1] 李渝曾[1] 

机构地区：[1]上海大学机电工程与自动化学院自动化系,上海市闸北区200072

出　　处：《电网技术》2005年第20期72-76,共5页Power System Technology

基　　金：国家自然科学基金重大研究计划项目(50377023)。~~

摘　　要：建立了基于最优潮流的总传输容量计算模型,推导出目标函数对某节点注入功率的灵敏度系数就是该节点上有功潮流平衡方程的Lagrangian乘子,并采用非线性互补方法求解该模型,从而获得灵敏度并计算出可用传输容量(Available Transfer Capabillty,ATC)。当某节点注入功率摄动时,根据求得的灵敏度及基准ATC值就可以快速估计出新的ATC值。最后采用IEEE30节点系统验证了文中所提方法的有效性。A computation model of total transfer capability (TTC) based on optimal power flows (OPF) is built up and it is deduced that the sensitivity coefficient of a certain busbar’s injected power in objective function is the Lagrangian multiplier of active power flow balance equation of corresponding busbar. Solving this model by nonlinear complementation method, the sensitivity is obtained and the value of available transfer capability (ATC) is further calculated. Thus, when the power injected into a certain bus...

关 键 词：可用传输容量(ATC) 总传输容量(TTC) 最优潮流(OPF) 非线性互补方法 灵敏度 

分 类 号：TM744[电气工程—电力系统及自动化]