| 高性能RTU交流采样单元的设计与实现 |
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| 引用本文： | 倪云峰,董张卓,张晓莉,王传良,董明涛,崔树安,彭小霞. 高性能RTU交流采样单元的设计与实现[J]. 高电压技术, 2005, 31(1): 70-72,88 |
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| 作者姓名： | 倪云峰 董张卓 张晓莉 王传良 董明涛 崔树安 彭小霞 |
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| 作者单位： | 西安科技大学电子信息工程系,西安,710054;陕西银河电力自动化股份有限公司,西安,710075 |
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| 摘 要： | 介绍了一种规模大、实时性和准确性高的交流采样单元GEA ISAU的设计和实现。先给出了单元设计要 求和满足此要求的单元硬件结构,分析了常规交流采样和采样同步方法的缺点,提出改进的交流采样算法和采样周期实时调整算法,再采用UML设计了软件,给出了系统的对象模型和动态运行序列图。现场运行表明,改进的交流采样算法高效、准确,采用UML方法设计的软件能提高软件的健壮性和可维护性。
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| 关 键 词： | RTU 双口RAM 交流采样 |
| 文章编号： | 1003-6520(2005)01-0070-03 |
Design of an AC Sampling Unit with High Performance in RTU |
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| NI Yunfeng,DONG Zhangzhuo,ZHANG Xiaoli,WANG Chuanliang,DONG Mingtao,CUI Shu'an,PENG Xiaoxia. Design of an AC Sampling Unit with High Performance in RTU[J]. High Voltage Engineering, 2005, 31(1): 70-72,88 |
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| Authors: | NI Yunfeng DONG Zhangzhuo ZHANG Xiaoli WANG Chuanliang DONG Mingtao CUI Shu'an PENG Xiaoxia |
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| Affiliation: | NI Yunfeng1,DONG Zhangzhuo2,ZHANG Xiaoli1,WANG Chuanliang2,DONG Mingtao2,CUI Shu'an2,PENG Xiaoxia2 |
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| Abstract: | The design and implement of GEA-ISAU AC sampling unit with large scale, real time and high accuracy is introduced in this paper. At fi rst, the requirement of the unit is described. Then, the hardware structure of t he unit is introduced. The shortcoming of conventional AC sampling and the sampl ing synchronous method are analyzed. A method is put forward to improve the AC s ample algorithm and sampling period real time adjustment algorithm. The structur e of software design is based on UML, and the object-orient model and operation sequence model are presented. The on-site operation demonstrates that the modifi ed AC sampling algorithm is accurate and with high efficiency, and can improve t he robustness and maintainability of software. |
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| Keywords: | Dual-RAM RTU AC-sample |
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