作　　者： ; ; ;

机构地区： 华南理工大学电力学院

出　　处： 《华南理工大学学报（自然科学版）》 2009年第2期113-117,126,共6页

摘　　要： 大容量受端系统的动态电压稳定性是影响电网安全稳定运行的一个重要因素,因此有必要对受端系统进行充分的动态电压支撑.定量评估动态电压支撑前后系统的各种经济损失是动态无功规划的关键.文中首先分析了多馈入受端系统受到大扰动后的状态转移过程,然后基于对状态分离费用和状态转移费用的评估,提出了完整的动态无功规划优化模型,以描述受端系统内部故障和馈入通道故障引发的各种失稳情景.最后,采用该模型对广东省受端电网2008年和2010年的动态电压支撑进行了优化计算,得到了兼具安全性和经济性的动态无功综合补偿方案. As the dynamic voltage stability of large-scale receiving systems is a very important factor affecting the secure operation of power systems, it is necessary to provide sufficient dynamic voltage support for the receiving sys- tems. The key factor in the dynamic var planning is the quantitative economic loss evaluation without-and-with dy- namic voltage support. In this paper, the state transition course under large disturbances of multi-infeed receiving systems is analyzed. Then, based on the evaluation of state division/transition cost, a complete optimization model of dynamic var planning is presented to describe all kinds of voltage instability situations caused by both the interior faults of receiving systems and the infeed faults. The proposed model is finally applied to the optimization of the dy- namic voltage support planning of the receiving networks in Guangdong in 2008 and 2010, and a comprehensive compensation scheme with security and economic efficiency is obtained.

关 键 词： 动态无功规划 受端系统 状态分离 状态转移 电压稳定性

领　　域： [电气工程]