电力系统分析综合程序连续潮流算法的改进

发布时间：2018-05-22 14:36

本文选题：连续潮流 + 拟弧长参数化　；参考：《电网技术》2017年05期

【摘要】：连续潮流计算是电力系统静态电压稳定分析的基本工具,目前国内多数连续潮流程序仍存在计算可靠性不高和计算效率低等问题。对电力系统分析综合程序(PSASP)中的连续潮流程序在提高计算可靠性和计算效率等方面进行了改进,使之能够适应大型电力系统的电压稳定性分析。改进后的PSASP连续潮流算法包含基本的拟弧长和局部参数化方法以及渐近数值方法(asymptotic numerical method,ANM)。ANM实质是一种采用高阶泰勒展开进行预测的连续方法,是一种半解析计算方法。ANM计算步长能够根据解曲线的形状自适应控制,因而是一种快速的连续潮流计算方法。实际电力系统的计算表明,修改后的连续潮流算法在计算可靠性和计算效率方面相比原来的程序有了很大程度提高,能够满足大型电力系统工程计算的需要。所做的研究对其他连续潮流的计算软件也会有一定的借鉴作用。
[Abstract]:Continuous power flow calculation is a basic tool for static voltage stability analysis of power system. At present most of the continuous power flow programs in China still have some problems such as low reliability and low efficiency. The continuous power flow program in power system analysis integrated program (PSASP) is improved to improve the reliability and efficiency of calculation, so that it can adapt to the voltage stability analysis of large power system. The improved PSASP continuous power flow algorithm includes the basic quasi-arc length and local parameterization methods and the asymptotic numerical method, which is essentially a continuous method for prediction using higher-order Taylor expansion. ANM is a semi-analytical method. The step size of ANM can be controlled adaptively according to the shape of the solution curve, so it is a fast method for calculating continuous power flow. The calculation of actual power system shows that the modified continuous power flow algorithm is more reliable and more efficient than the original program, and it can meet the needs of large power system engineering calculation. The research can also be used for reference by other software of continuous power flow.
【作者单位】：电网安全与节能国家重点实验室(中国电力科学研究院)
【基金】：国家电网公司科技项目资助(大规模交直流电网潮流收敛性改进方法及分析技术研究)~~
【分类号】：TM744

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