铸树脂干式电力变压器失对电场及电位变化研究

2021 IEEE International Conference on the Properties and Applications of Dielectric Materials (ICPADM) Pub Date : 2021-07-12 DOI:10.1109/ICPADM49635.2021.9493936

Muhammad Jazmi Jaafar, N. Muhamad, M. Jamil, N. Rosle

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引用次数: 1

摘要

铸造树脂干式(CRDT)变压器在使用期间是免费维护的，但在制造和安装过程中有必要检查CRDT的状态，以防止任何影响其使用期限的缺陷。本文对CRDT截面体进行了建模，并利用有限元软件分析了偏心时CRDT内部的电场分布和电势分布。本课题的目的是研究上述故障对断面体内部电场分布的影响。对理想工况和故障发生时的高压绕组进行了仿真。将电场分布和电势绘制成图形，并对变压器绕组施加一定条件，进一步分析了图形的规律。研究发现，电势变化最大的是在失联故障期间，与理想值相比增加了11 kV。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Electric Field and Potential Changes Studies on Cast-Resin Dry-Type Power Transformer Having Misalignment

The cast resin dry type (CRDT) transformer is free maintenance during services, however it is necessary to check the CRDT condition during manufacturing and installation to prevent any defects that give an impact on its service period. In this work, a CRDT sectional body was modelled and analysis on the pattern of the electric field and potential distribution in CRDT having misalignment was done using finite element software. The objective of this project to investigate the changes in the electrical field distribution inside the sectional body due to above faults. The simulation was performed in HV winding for the ideal condition and when faults occurred. The electric field distribution and the electrical potential was plotted in a graph and certain condition was applied to the winding in the transformer to further analyses the pattern of the graph. The research found highest changes of electrical potential is during misalignment faults with the increment of 11 kV compared value compared to ideal.

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来源期刊

2021 IEEE International Conference on the Properties and Applications of Dielectric Materials (ICPADM)

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