BEHAVIOR OF WINDING TO GROUND FAULT IN TRANSFORMER WINDINGS USING DISCRETE WAVELET TRANSFORM

机译：离散小波变换的互感器绕组接地故障行为

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In the literature for fault detection, most of research works have never been mentioned about the high frequency transformer including capacitances. This paper presents behaviour of winding to ground fault signals in a three-phase two-winding transformer. The advantage of the discrete wavelet transform (DWT) is that the band of analysis can be fine adjusted so that high frequency components and low frequency components are detected precisely, consequently DWT is considered herein. The fault is simulated using ATP/EMTP and the behaviour analysis of signals is performed using DWT. The variation of high frequency components of differential current signals is proposed in this paper. The results obtained from the analysis will be useful in the development of a detect fault scheme for power transformer in the future.

机译：在用于故障检测的文献中，从未涉及包括电容在内的高频变压器的大多数研究工作。本文介绍了三相两绕组变压器中绕组到接地故障信号的行为。离散小波变换（DWT）的优点是可以对分析频带进行微调，以便精确检测高频分量和低频分量，因此在此考虑DWT。使用ATP / EMTP对故障进行仿真，并使用DWT对信号进行行为分析。提出了差分电流信号高频分量的变化。从分析中获得的结果将在将来开发电力变压器检测故障方案中有用。

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来源
《Power and energy systems : Innovative smart grid technologies for sustainable power and energy systems》|2010年|p.437-443|共7页
会议地点 Phuket(TH);Phuket(TH)
作者
Chaichan Pothisarn; Atthapol Ngaopitakkul; Worravut Pongchaisrikul; Chaowat Apisit; Saridroje Jonpermpoonpol;
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作者单位

Department of Electrical Engineering, Faculty of Engineering, King Mongkut's Institute of Technology Ladkrabang, Bangkok 10520, Thailand;

Department of Electrical Engineering, Faculty of Engineering, King Mongkut's Institute of Technology Ladkrabang, Bangkok 10520, Thailand;

Distribution Control Section, Automation System Division, PROVINCIAL ELECTRICITY AUTHORITY, 200 Ngam Wong Wan Road, Jatujak, Bangkok 10900, Thailand;

Department of Electrical Engineering, Faculty of Engineering, King Mongkut's Institute of Technology Ladkrabang, Bangkok 10520, Thailand;

Department of Electrical Engineering, Faculty of Engineering, King Mongkut's Institute of Technology Ladkrabang, Bangkok 10520, Thailand;

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原文格式 PDF
正文语种 eng
中图分类输配电工程、电力网及电力系统;
关键词
winding to ground fault; transformer windings; discrete wavelet transforms; power transformer;

机译：绕组接地故障；变压器绕组；离散小波变换电源变压器;

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专利

1. Internal Fault Classification in Transformer Windings using Combination of Discrete Wavelet Transforms and Back-propagation Neural Networks [J] . Atthapol Ngaopitakkul, Anantawat Kunakorn International Journal of Control, Automation, and Systems . 2006,第3期

机译：离散小波变换与反向传播神经网络相结合的变压器绕组内部故障分类
2. Diagnostic of transformer winding deformation fault types using continuous wavelet transform of pulse response [J] . Cheng Qian, Zhao Zhongyong, Tang Chao, Measurement . 2019,第期

机译：探测变压器绕组变形故障类型的脉冲响应连续小波变换
3. Diagnostic of transformer winding deformation fault types using continuous wavelet transform of pulse response [J] . Cheng Qian, Zhao Zhongyong, Tang Chao, Measurement . 2019,第期

机译：探测变压器绕组变形故障类型的脉冲响应连续小波变换
4. BEHAVIOR OF WINDING TO GROUND FAULT IN TRANSFORMER WINDINGS USING DISCRETE WAVELET TRANSFORM [C] . Chaichan Pothisarn, Atthapol Ngaopitakkul, Worravut Pongchaisrikul, IASTED Asian Conference on Power and Energy Systems . 2010

机译：不同小波变换变压器绕组接地故障的行为
5. A topology-based model for two-winding, shell-type, single-phase transformer inter-turn faults. [D] . Zhuang, Liman. 2014

机译：基于拓扑的两绕组壳型单相变压器匝间故障模型。
6. Transformer Winding Deformation Detection Based on BOTDR and ROTDR [O] . Shuguo Gao, Yunpeng Liu, Huan Li, 2020

机译：基于BOTDR和ROTDR的变压器绕组变形检测。
7. Induced Voltages Ratio-Based Algorithm for Fault Detection, and Faulted Phase and Winding Identification of a Three-Winding Power Transformer [O] . Byung Eun Lee, Jung-Wook Park, Peter A. Crossley, 2014

机译：基于感应电压比的三绕组电力变压器故障检测，故障相位和绕组识别算法

BEHAVIOR OF WINDING TO GROUND FAULT IN TRANSFORMER WINDINGS USING DISCRETE WAVELET TRANSFORM

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