嵌入式Linux在数字化变电站实时采样单元中的应用

YE Zhenfeng; SONG Jinhai; LI Qiuhua; YAN Yunsong

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嵌入式Linux在数字化变电站实时采样单元中的应用

更新时间：2025-08-13

- 嵌入式Linux在数字化变电站实时采样单元中的应用
- Automation of Electric Power Systems Vol. 34, Issue 10, Pages: 109-112(2010)
- 作者机构：
  
  国网电力科学研究院/南京南瑞集团公司,江苏省,南京市,210003
- 作者简介：
- 基金信息：
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- Published：2010
- 稿件说明：
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YE Zhenfeng, SONG Jinhai, LI Qiuhua, et al. [J]. Automation of electric power systems, 2010, 34(10): 109-112.
DOI：

YE Zhenfeng, SONG Jinhai, LI Qiuhua, et al. [J]. Automation of electric power systems, 2010, 34(10): 109-112. DOI：

摘要

介绍了一种基于PowerPC硬件平台和嵌入式Linux操作系统的采样单元，该采样单元通过PowerPC的网络协处理器和PCI总线扩展百兆以太网接口，可以同时与4个合并单元通过IEC 61850-9-1协议进行通信。分析了Linux系统的调度性能，并结合电力系统的实际应用，对其进行适当修改，重点介绍了嵌入式Linux操作系统在PowerPC平台上网络处理的高实时性和高可靠性的实现方法，同时还介绍了其在SCS-600数字式安全稳定控制装置上的验证情况。结果表明，该平台单板可以采样处理4个合并单元的信息，网络通信的实时性和可靠性能够满足IEC 61850的要求，并能够很好地满足安全稳定控制装置对信息采样的多元件、高速率、高可靠性的要求。

Abstract

A sampling unit based on PowerPC hardware platform and embedded Linux operating system is introduced. The former can simultaneously communicate with four merging units via IEC 61850-9-1 with network coordination processor of PowerPC and a PCI-based extended Ethernet interface. First， the scheduling principle of Linux is analyzed and some optimization is employed for practical application of power system. Then， the implementation method of high real-time ability and reliability of network with embedded Linux operating system on PowerPC hardware platform is depicted. In addition， the check situation in the experiment of SCS-600（a digital control device for security and stability） is presented. The result shows that the sampling unit can work well with four merging units based on IEC 61850-9-1， and it is able to satisfy the requirement of information sampling with high-speed sampling and high reliability for the control device of security and stability.

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