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三相VFT电压测量中电场耦合系数矩阵的确定 被引量:4

DETERMINATION FOR A MATRIX OF ELECTRIC COUPLING COEFFICIENTS IN THREE PHASE VFT VOLTAGE MEASUREMENT
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摘要 在三相快速瞬变过程VFT(VeryFastTransients)电压测量中 ,需要 3个电容传感器 ,而每个传感器同时受A、B、C三相电压的电场耦合。该文讨论了三相同壳式封闭式组合电器GIS(GasInsulatedSubstation)在完全对称布置和不完全对称布置情形下 ,电场耦合系数矩阵的确定方法。提出了主导电场耦合系数的概念 。 In order to measure the VFT phase voltage on three phase enclosed GIS, 3 capacitance sensors are needed. Each capacitance sensor is coupled with the electric field of (A、B and C)three phases voltage. This paper describes the method to determine the matrix of electric coupling coefficients. In addition, the main electric coupling coefficients are named, which have an approximate analytic expression.
出处 《中国电机工程学报》 EI CSCD 北大核心 2000年第10期5-9,共5页 Proceedings of the CSEE
基金 国家自然科学基金资助项目 !(5 970 70 0 7)
关键词 快速瞬变过程 电压测量 电场耦合系数 矩阵 gas insulated substation(GIS) very fast transients(VFT) voltage measurement electric field analytic expression
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  • 1Zou,Jianhua(邹建华),Yue,Ziding(岳子丁),Li,Yang(李洋).VFT PHASE VOLTAGE MEASUREMENT IN THREE-PHASE ENCLOSED GIS[J].Academic Journal of Xi'an Jiaotong University,2002(2):101-108. 被引量:1
  • 2邹建华,姚宗干,卢进军.三相VFT电压测量中的电场耦合系数和传感器放置位置的研究[J].高压电器,1993,29(5):3-6. 被引量:2
  • 3康宁,李永林,杨兰均,张乔根,王宏,邹建华.GIS中VFT过电压数值分析简化模型的构建方法[J].高电压技术,2004,30(10):1-3. 被引量:8
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