| 地电流对电力变压器影响研究 |
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| 引用本文： | 韩燕明,黄曾述.地电流对电力变压器影响研究[J].电网与水力发电进展,2010,26(1):24-30. |
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| 作者姓名： | 韩燕明 黄曾述 |
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| 作者单位： | 西安理工大学 |
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| 摘 要： | 介绍了对南方电网和华东电网在直流输电系统以单极大地回路方式运行时直流接地极地电流对电力变压器的影响以及缓解措施的调查情况，并对接地极地电流对电力变压器的影响进行了分析研究，提出应根据实际运行情况采取合适的保护措施。
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| 关 键 词： | 高压直流输电 接地极地电流 电力变压器 直流 偏磁 |
Influence of Grounding Electrode Current on Power Transformers |
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| Authors: | HAN Yan-ming and HUANG Ceng-shu |
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| Affiliation: | East China Electric Power Design Institute, Shanghai 200063, China;East China Electric Power Design Institute, Shanghai 200063, China |
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| Abstract: | This paper introduces the influence of the DC grounding electrode current on power transformers and the mitigation measures when the HVDC transmission system is under the monopolar grounding circuit operation mode in South China Power Grid and East China Power Grid. The influence of the ground electrode current on power transformers is analyzed with a conclusion that the corresponding protection measures should be taken according to actual operation conditions. |
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| Keywords: | HVDC transmission current of grounding elec-trode power transformer DC magnetic bias |
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