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Research on Installation and Testing Technique on 500kV Three Phases Compact Transformer

Author: XuHuanJian
Tutor: XuXiDong；ZhuLeiHe
School: Zhejiang University
Course: Electrical Engineering
Keywords: 500kV three-phase comprace transformer Installation ETA and moistened Insulating oil treatment
CLC: TM407
Type: Master's thesis
Year: 2011
Downloads: 8
Quote: 0
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Abstract


Power Transformer as the core of power system equipment, its installation and testing techniqueity plays a very important role on the safe operation and network security.500kV three-phase compace transformer has so much advantage:small footprint, short duration installation, simple connection, simple secondary protection, low running costs, low investment, easy to maintain. Today, the land resources are becoming strained. It becomes an inevitable trend that the 500kV three-phase compace transformer applicates large-scale in power system. In addition to transport, the damp, exposed air-time control, the quality of insulating oil and high-voltage testing are a key factor in the quality of the transformer installation. The main purpose of this paper are:With project examples, Analyzing the 500kV three-phase compace transformer installation process, Moisture and the quality of insulating oil impact on three-phase compace transformer, Improving the quality and construction efficiency by the insulating oil process improvement, Reduce the time of exposed to air by the process improvement.Papers are composed by four chapters:Chapters 1 and 2 introducts the theoretical basis and points out that the moisture and insulating oil have the hazards to transformer, then introducts how to due with them. At the same time, it discusses the domestic and international researches on these technologies. Chapter 3 introducts the installation process, the high-voltage testing and insulating oil treatment process. In the last chapter, the whole text is summarized and some questions to be perfected are brought forward.

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CLC: > Industrial Technology > Electrotechnical > Transformers, converters and reactors > General issues > Maintenance,repair
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