The effect of convexity of lightning impulse voltage waveforms on accuracy of HV measuring systems

被引：0
|
作者：
Yutthagowith, P. [1 ]
Pattanadech, N. [2 ]
Chatpattananan, V. [2 ]
Phoomvuthisarn, S. [1 ]
机构：
[1] Chulalongkorn Univ, Ctr Excellence Elect Power Technol, Fac Engn, Bangkok 10330, Thailand
[2] King Mongkuts Inst Technol Ladkrabang, Dept Elect Engn, Fac Engn, Bangkok, Thailand
来源：
2006 INTERNATIONAL CONFERENCE ON POWER SYSTEMS TECHNOLOGY: POWERCON, VOLS 1- 6 | 2006年
关键词：
impulse measuring system; convexity convolutions; Duhumel's integration;
D O I：
暂无
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 presents the effect of convexity of lightning impulse voltage waveforms on accuracy of HV measuring systems. The effects of different three convexities on wave front are analyzed by simulation tests with some standard waveforms. The simulation tests have two aspects. First one is consideration in frequency domain by using FFT with standard waveforms and transfer function of measuring system and second one is consideration in time domain by using time convolution method or Duhamel's integration method for computing waveform outputs standard testing waveforms and unit step responses of the sample measuring systems. The standard waveforms under investigations are full lightning impulse voltage waveforms, tail-chopped of lightning impulse voltage waveforms, front-chopped of lightning impulse voltage waveforms according to IEC standards 60060-2. This paper considers two samples of different types of the measuring systems. The results show that the convexity has effect on accuracy of measuring systems.
引用
收藏
页码：2567 / 2572
页数：6
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