摘要
在利用电磁暂态程序（EMTP）对变压器励磁涌流进行仿真计算的基础上，讨论了数种算法，目的是构造适用于数字式保护的算法，使之较好地重构励磁涌流。并以较小的误差计算出涌流的间断角。提出了用二次多项式重构励磁涌流的新算法，并确定了相应的采样率。
This paper describes several algorithms of simulation of transformer inrush by Electromagnetic Transient Program (EMTP). Based on analysis of these algorithms a suitable algorithm is designed for digital protection, which can reconstructs the inrush better and calculate the dead angle with less error. A new algorithm by use of quadratic polynomial is proposed to reconstruct inrush, and the corresponding sampling rate is determined.
出处
《电力自动化设备》
EI
CSCD
1997年第1期25-29,共5页
Electric Power Automation Equipment
