AC Test Method for the Dynamic Characteristics of Transformer on-Load Tap Changer

被引：0
|
作者：
Zhou, Hongwei [1 ]
Dong, Tian [1 ,2 ]
Liu, Fu [2 ]
机构：
[1] SGCC, Jilin Prov Elect Power Co Ltd, Elect Power Res Inst, Beijing, Peoples R China
[2] Jilin Univ, Coll Commun Engn, Changchun 130023, Peoples R China
来源：
INTERNATIONAL CONFERENCE ON ELECTRICAL AND CONTROL ENGINEERING (ICECE 2015) | 2015年
关键词：
power transformer; on-load tap changers; AC waveform; switching process; dynamic response;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, to detect the dynamic characteristics of transformer on-load tap changer (OLTC), an AC test method is introduced. The AC method has advantages of accurate result and unique interpretation. As a new method, the AC waveforms and their judgment of OLTC in transformer are introduced. First, 220V AC power is supplied to the transformer at primary side. Secondly, the current value of OLTC is sampled and transmitted to the host computer. Finally, we could diagnose the faults of OTLC according to the current waveform. Simulation results show that the AC test method proposed in this paper can detect the fault of OLTC effectively.
引用
收藏
页码：523 / 530
页数：8
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