Study of a numerical integration method using the compact scheme for electromagnetic transient simulations

被引:2
|
作者
Tanaka, Yohei [1 ]
Baba, Yoshihiro [2 ]
机构
[1] Cent Res Inst Elect Power Ind, Grid & Commun Technol Div, Grid Innovat Res Lab, Kanagawa 2400196, Japan
[2] Doshisha Univ, Grad Sch Sci & Engn, Kyotanabe, Kyoto 6100394, Japan
关键词
Circuit equation; Compact scheme; Electromagnetic Transient analysis; Integration method; SPARSE Tableau approach; Stability; ACCURACY;
D O I
10.1016/j.epsr.2023.109666
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
This paper proposes a one-stage and oscillation free numerical integration method using the compact scheme for electromagnetic transient simulations. Since the compact scheme becomes L-stable at a moment when a circuit suddenly changes to a stiff system, the method is capable of suppressing the spurious numerical oscillations. Moreover, the compact scheme, which is a one-stage method, does not produce spurious spikes due to nonlinear elements. The compact scheme is compared with the trapezoidal method, the two-stage diagonally implicit Runge-Kutta (2S-DIRK) and the trapezoidal method with the second order backward difference formula (TR-BDF2). It follows from the comparison that the compact scheme does not produce the spurious numerical os-cillations and spikes.
引用
收藏
页数:8
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