基于泰勒级数的N-1网络快速灵敏度修正计算  

Sensitivity of N-1 system fast correction calculation based on Taylor series

作　　者：邓阳[1] 吴政球[1] 容文光[1] 匡文凯[1] 

机构地区：[1]湖南大学电气与信息工程学院,湖南长沙410082

出　　处：《继电器》2007年第16期23-26,共4页Relay

摘　　要：灵敏度计算是电力系统分析中的重要方法。提出了一种针对n-1网络中节点电压对系统控制参数变化灵敏度的快速计算方法,它是基于高阶泰勒级数的,其优势在于不必重新进行潮流计算,而是通过求解灵敏度对线路开断参数的高阶导数,从而代入灵敏度泰勒级数展开式修正基态灵敏度。文章以IEEE300节点算例,将此方法与重新进行潮流计算的牛顿法进行了数值试验和比较,结果说明了文章所述算法的正确性和优越性。Sensitivity analysis approach is very important in electric power system analysis. In this paper, a fast calculation approach which aims at the sensitivity of node voltage to system control parameter of n-1 system is proposed.It＇s based on the higher order Taylor series. Its predominance is that it＇s not necessary to recalculate the power flow, and just need to calculate the various higher order derivatives of the sensitivity to line open-break parameter which would be joined into the Taylor series expansion formula to correct the original sensitivity. It has been tested by IEEE-30. The results, which are compared with those of Newton method which must recalculate the power flow, show that the presented approach is correct and superior.

关 键 词：泰勒级数 灵敏度 潮流计算 雅可比矩阵 电力系统稳定 

分 类 号：TM744[电气工程—电力系统及自动化]