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高压电器  2015 

直流偏磁抑制措施研究综述

DOI: 10.13296/j.1001-1609.hva.2015.10.035, PP. 209-216

Keywords: 高压直流,直流偏磁,变压器,中性点,抑制措施

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Abstract:

直流偏磁发生时,会影响变压器的运行,严重时甚至会威胁到整个电网的安全。文中指出了直流偏磁产生的原因、产生的影响。对当前抑制直流偏磁的措施,如反向注入电流法、中性点串联电阻法、中性点串联电容法、中性点串联阻容法等方法的原理进行了综述,主要从技术和经济上比较了各个措施的优缺点,对这些抑制措施在国内外的实际应用进行了介绍,展望了当前的发展趋势和主要的研究方向。

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