Least squares estimation of Heidler function parameters

被引：14
|
作者：
Vujevic, Slavko [1 ]
Lovric, Dino [1 ]
Juric-Grgic, Ivica [1 ]
机构：
[1] Univ Split, Fac Elect Engn Mech Engn & Naval Architecture, Split, Croatia
来源：
EUROPEAN TRANSACTIONS ON ELECTRICAL POWER | 2011年 / 21卷 / 01期
关键词：
lightning current; Heidler function parameters; least squares method; Marquardt method;
D O I：
10.1002/etep.445
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The aim of the proposed paper is to present an effective numerical algorithm for the computation of Heidler function parameters. The basic six channel-base current quantities can be prescribed: current peak value, front duration, time to half value, current steepness factor, charge transfer at the striking point and specific energy. The approximation of the unknown three lightning current parameters for Heidler function is achieved using the least squares method. For the purpose of better convergence, the Marquardt least squares method has been applied. The proposed algorithm can be successfully applied for lightning current modelling in power engineering as well as in research on electromagnetic compatibility. Copyright (C) 2010 John Wiley & Sons, Ltd.
引用
收藏
页码：329 / 344
页数：16
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