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文章摘要
超/特高压交直流混联电网中直流偏磁敏感源的预测方法研究
The Early warning method of DC bias sensitive source of ultra / extra high voltage AC / DC hybrid power grid
Received:December 02, 2017  Revised:December 18, 2017
DOI：
中文关键词: 直流偏磁敏感源  交流电网  土壤电阻率  土壤电位  互电阻
英文关键词: DC  bias sensitive  source, AC  power grid, soil  resistivity, the  voltage of  soil, mutual  resistance
基金项目:
Author NameAffiliationE-mail
Ma Wancheng* Xinjiang University mawancheng1992@163.com 
yuantiejiang Dalian University of Technology xjuytj@163.com 
Zhang Heng Xinjiang University 25287748@qq.com 
Liu Zhaoting Xinjiang University 1932306621@163.com 
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中文摘要:
      针对超/特高压直流输电对交流电网的影响，提出了一种直流偏磁敏感源的预测方法。本文对土壤电阻率计算方法、接地极间互电阻计算方法和多层土壤模型地表电位计算方法进行了数学建模，基于欧姆定律建立了交直流混联电网中直流偏磁敏感源预测的数学模型，本模型针对以往模型不能计算土壤电阻率的缺点进行了改善。然后以新疆桥子村附近的电网数据为基础，对桥子村附近交流电网中直流分布进行计算，将计算结果与实地测量数据进行了对比，测试站点的偏磁电流均方根误差仅为13%，验证了模型的正确性。研究结果对交流电网中直流电流分布计算和直流偏磁问题的治理具有参考价值。
英文摘要:
      
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