| 35 kV数字变电站合并单元模拟信号采集卡研究 |
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| 引用本文： | 彭地卓,徐学军,汤沁,李骥.35 kV数字变电站合并单元模拟信号采集卡研究[J].电子科技,2014,27(9):156. |
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| 作者姓名： | 彭地卓 徐学军 汤沁 李骥 |
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| 作者单位： | (1.长沙理工大学 物电学院,湖南 长沙 410004;2.长沙理工大学 计通学院,湖南 长沙 410004) |
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| 摘 要： | 针对35 kV变电站的互感器输出信号的特性,设计了一种模拟信号采集卡。该卡分别为电子式互感器输出模拟小信号和传统互感器模拟信号设计采集电路,对多通道模拟数据同步采集。通过实验验证了其功能的正确性,还可满足合并单元数据采集设计精度的要求。
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| 关 键 词： | 数字化变电站 模拟信号 数据采集 合并单元 |
A Research on Analog Signal Data Acquisition for Merging Unit in 35 kV Digital Substation |
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| PENG Dizhuo,XU Xuejun,TANG Qin,LI Ji.A Research on Analog Signal Data Acquisition for Merging Unit in 35 kV Digital Substation[J].Electronic Science and Technology,2014,27(9):156. |
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| Authors: | PENG Dizhuo XU Xuejun TANG Qin LI Ji |
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| Affiliation: | (1.College of Physics & Electronic Science,Changsha University of Science & Technology,Changsha 410004,China;
2.College of Computer & Communication Engineering,Changsha University of Science & Technology,Changsha 410004,China) |
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| Abstract: | An analog signal acquisition card is designed for the output signal of 35kV substation.The acquisition circuits for small analog signal from the electronic transformer and analog signal from the traditional transformer are designed respectively to receive multi-channel analog signals simultaneously.Experiments verify the correctness of its functions,and show that the card fully meets the design requirements of precision data acquisition of the merging unit. |
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| Keywords: | digital substation analog signal data acquisition merging unit |
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