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大型变电站钢材和铜材接地网的性能比较 被引量:26
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作者 徐华 文习山 +1 位作者 李中建 张英 《高电压技术》 EI CAS CSCD 北大核心 2004年第7期18-19,63,共3页
基于场路结合的思想 ,考虑导体自感和导体间互感 ,用传统的节点电压法分析接地网。计算实际大型变电站接地网的结果与著名软件包CDEGS的计算相吻合。分析比较了大型铜材和钢材接地网接地阻抗、最大跨步和接触电势系数等方面的性能差异 ... 基于场路结合的思想 ,考虑导体自感和导体间互感 ,用传统的节点电压法分析接地网。计算实际大型变电站接地网的结果与著名软件包CDEGS的计算相吻合。分析比较了大型铜材和钢材接地网接地阻抗、最大跨步和接触电势系数等方面的性能差异 ,并阐述了产生差异的原因 。 展开更多
关键词 接地 变电站 接地抗阻 性能比较
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Analysis on the Irregular and Asymmetrical Power/Ground Structure by PEEC Modeling
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作者 施丹 曹毅 李征帆 《Journal of Shanghai Jiaotong university(Science)》 EI 2005年第1期1-5,共5页
In order to provide some reference for the design of the power/ground system, a complicated power/ground system in time and frequency domains was analyzed, which is based on PEEC (Partial Element Equivalent Circuit). ... In order to provide some reference for the design of the power/ground system, a complicated power/ground system in time and frequency domains was analyzed, which is based on PEEC (Partial Element Equivalent Circuit). According to the actual requirements, characteristics of some common power/ground structures in time and frequency domains, such as SSN (Simultaneous Switching Noise), are obtained for the future research. The results show the first resonance point is changed with the structure of the power/ground networks. 展开更多
关键词 partial element equivalent circuit(PEEC) power/ground structure impedance between boards simultaneous switching noise(SSN)
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