现代电力2011,Vol.28Issue(5):54-58,5.
传输线时域响应格林函数分析法与数值拉普拉斯反变换方法的对比研究
Comparison of Green Function Method and Numerical Inverse Laplace Transform for Analyzing Transient Response of Transmission Line
摘要
Abstract
A Green Function method is proposed to analyze the terminal response of simple transmission lines by solving network node admittance equation of transmission lines to reflect terminal response more factually. In order to prove its correctness and priority, the comparison of Green Function method with NILT method is carried out. By using the two methods, the transient voltage response for lossless terminal matching and the lossy terminal un-matching transmission line are simulated. The results obtained by using of Green Function method have good degree of coincidence with real terminal response, the error is smaller, and the waveform is stable. But the simulation by NILT method has a great impulse and oscillation near zero point. The error during middle process seems like a sine wave, but it will in-crease dramatically that is hard to reflect the practical situation during later process. So the Green Function Method is very suitable to be applied to study the terminal response of the transmission line, which has more advantage than NILT method.关键词
格林函数/数值拉普拉斯反变换/有损传输线/无损传输线Key words
Green function/ NILT/ lossy transmission line/lossless transmission line分类
信息技术与安全科学引用本文复制引用
陈甜妹,翁鹏浩,彭茂兰,卢斌先..传输线时域响应格林函数分析法与数值拉普拉斯反变换方法的对比研究[J].现代电力,2011,28(5):54-58,5.基金项目
华北电力大学博士基金(200822001) (200822001)