| 电力系统动态等值的在线测辨研究（Ⅳ）--在线测辨装置 |
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| 引用本文： | 李训铭,李仕锋,鞠平,刘琳,吴锋. 电力系统动态等值的在线测辨研究（Ⅳ）--在线测辨装置[J]. 电力系统自动化, 2000, 24(5): 36-39 |
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| 作者姓名： | 李训铭 李仕锋 鞠平 刘琳 吴锋 |
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| 作者单位： | 河海大学,南京,210098 |
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| 摘 要： | 介绍了用于研究电力系统动态等值在线测辨问题的测量装置，并对数据采集中共享存储器的实现方法进行了分析。该测量装置的核心是自带ＣＰＵ和共享存储器的数据采集卡，插于工控机ＩＳＡ扩展槽，数据采集卡通过共享存储器与工控系统机共享数据，大大提高了数据采集速度和数据缓冲容量。该装置经现场运行，效果良好。
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| 关 键 词： | 电力系统 动态等值 在线测辨 在线测辨装置 |
| 收稿时间： | 1900-01-01 |
| 修稿时间： | 1900-01-01 |
ON-LINE IDENTIFICATION OF POWER SYSTEM DYNAMIC EQUIVALENT Part Four On-Line Identification Installation |
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| Li Xunming,Li Shifeng,Ju Ping,Liu Lin,Wu Feng. ON-LINE IDENTIFICATION OF POWER SYSTEM DYNAMIC EQUIVALENT Part Four On-Line Identification Installation[J]. Automation of Electric Power Systems, 2000, 24(5): 36-39 |
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| Authors: | Li Xunming Li Shifeng Ju Ping Liu Lin Wu Feng |
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| Abstract: | The hardware and software of data acquisitionsystem for power system on-line identification are introduced, and the technique usingsharing-RAM in data acquisition system is analyzed. This data acquisition system is basedon a data acquisition card with its own CPU and sharing-RAM, which will be set in ISA-busof industrial control computer. Through the sharing-RAM, the acquired data are shared bydata acquisition card and industrial control computer, in this way the acquisition speedand the volume of data buffer are highly improved. The practical operation result showsthat the proposed system is satisfactory. |
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| Keywords: | data acquisition sharing-RAM data transmission |
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