| 一种三相组合型电子式互感器设计 |
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| 引用本文： | 陈丽,张晓冲,唐圣学,王景芹.一种三相组合型电子式互感器设计[J].低压电器,2014(15):23-26. |
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| 作者姓名： | 陈丽 张晓冲 唐圣学 王景芹 |
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| 作者单位： | 河北工业大学电磁场与电器可靠性省部共建重点实验室,天津,300130 |
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| 摘 要： | 提出了一种新型组合型电子式互感器。在考虑温度和磁干扰情况下,设计了采集相电流的罗氏线圈、采集零序电流的低功率线圈、采集电压的同轴电容分压器,以及处理信号的相位和幅值数值的二次转换电路,并试制了样机。样机试验表明,相序和零序电流精度分别可达到GB/T 20840.8—2007要求的1级和3级精度;相序和零序电压精度分别达到GB/T 20840.7—2007要求的1级和3P级精度。
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| 关 键 词： | 组合型电子式互感器 罗氏线圈 屏蔽 二次转换器 |
Design of Three-Phase Combination Electronic Transformer |
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| CHEN Li,ZHANG Xiaochong,TANG Shengxue,WANG Jingqin.Design of Three-Phase Combination Electronic Transformer[J].Low Voltage Apparatus,2014(15):23-26. |
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| Authors: | CHEN Li ZHANG Xiaochong TANG Shengxue WANG Jingqin |
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| Affiliation: | (Province-Ministry Joint Key Laboratory of Electromagnetic Field and Electrical Apparatus Reliability, Hebei University of Technology, Tianjin 300130, China) |
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| Abstract: | A new type of combination electronic transformer was designed. In considering temperature and electromagnetic interference. Rogowski coil,low power coil,and coaxial capacitive divider are designed to collect the phase current,zero sequence current,and voltage. Secondary converter is designed to process the phase and amplitude values of the signal. The prototype experiments show that the phase and zero sequence current can reach 1level accuracy and 3 level accuracy of GB /T 20840. 8—2007,respectively. Phase and zero sequence voltage reach 1level accuracy and 3 level accuracy of GB /T 20840. 7—2007,respectively. |
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| Keywords: | combination electronic transformer Rogowski coil shield secondary converter |
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