| 基于爱泼斯坦方圈的直流偏磁实验及分析 |
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| 引用本文： | 陈斌,朱亮,许蓬莱.基于爱泼斯坦方圈的直流偏磁实验及分析[J].浙江电力,2010,29(9):1-3,57. |
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| 作者姓名： | 陈斌 朱亮 许蓬莱 |
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| 作者单位： | 台州电业局,浙江,临海,317000 |
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| 摘 要： | 在高压直流输电的单极大地运行方式中,直流电流通过接地的中性点流入变压器绕组会给电力变压器造成危害。随着直流输电的应用和发展,直流偏磁问题已经得到越来越多的重视。对于直流偏磁问题的研究不仅有利于揭示直流偏磁机理,而且对变压器的设计和运行有着重要的指导意义。本文利用爱泼斯坦方圈进行了直流偏磁测试。通过对励磁电流各次谐波的分析,研究了直流偏磁对励磁电流及饱和铁心的影响。
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| 关 键 词： | 高压直流输电 直流偏磁 电力变压器 谐波 励磁电流 |
Test and Analysis of DC Magnetic Bias Based on the Epstein Frame |
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| CHEN Bin,ZHU Liang,XU Peng-lai.Test and Analysis of DC Magnetic Bias Based on the Epstein Frame[J].Zhejiang Electric Power,2010,29(9):1-3,57. |
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| Authors: | CHEN Bin ZHU Liang XU Peng-lai |
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| Affiliation: | CHEN Bin,ZHU Liang,XU Peng-lai(Zhejiang Taizhou Electric Power Bureau,Linhai Zhejiang 317000,China) |
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| Abstract: | The DC current flowing into transformer winding through ground neutral point may lead to a series of damages to the power transformer in monopolar ground return operation mode of HVDC transmission.Along with the application and development of HVDC transmission system,DC magnetic bias has been attached more and more importance.The research on DC magnetic bias problems will not only contribute to revealing the bias mechanism but also provides an important guide to the design and operation of transformer.This ... |
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| Keywords: | HVDC transmission DC magnetic bias power transformer harmonic exciting current |
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