变电站SCADA系统双服务器无扰动切换算法

XIA Shibing; XI Houwei; LU Jianfeng; DING Jie; DOU Renhui; CAI Dan; MIAO Wei

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变电站SCADA系统双服务器无扰动切换算法

更新时间：2025-08-13

- 变电站SCADA系统双服务器无扰动切换算法
- Automation of Electric Power Systems Vol. 30, Issue 14, (2006)
- 作者机构：
  
  1. 国电南瑞科技股份有限公司,江苏省,南京市,210003
  2. 中石化第四建设公司电气仪表工程公司,天津市,300270
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2006
- 稿件说明：
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XIA Shibing, XI Houwei, LU Jianfeng, et al. [J]. Automation of electric power systems, 2006, 30(14).
DOI：

XIA Shibing, XI Houwei, LU Jianfeng, et al. [J]. Automation of electric power systems, 2006, 30(14). DOI：

摘要

在变电站监控与数据采集（SCADA）系统中，应保证在双服务器的切换过程中上、下行报文不丢失，并在双服务器恢复正常工作后自动同步实时数据库和历史数据库的信息。在双网架构的变电站SCADA系统中，双服务器的双网交叉故障情况下系统如何工作是另一个难点问题。文中介绍了一种适用于变电站SCADA系统中双服务器的无扰动切换算法，该算法能确保在双服务器切换的瞬间不丢失网络数据报文和历史数据记录。重点讨论了服务器状态切换过程、双服务器各有一个网络中断时系统的运行情况以及历史数据库和实时数据库的同步问题。

Abstract

In the substation SCADA system

it should be ensured that there will be neither up nor down data reports lost during the dual-server switching process

and that the information of real-time database and historical database should be synchronized automatically when the dual-server comes back to normal. In the dual network architecture of the substation SCADA system

how to make the system work correctly is also a problem when the dual-server's networks fail alternately. An undisturbed switching algorithm of dual-server for the substation SCADA system is introduced to ensure that network data and historical record will not get lost at the moment of the dual-server switching. This paper focuses on the server switching process

the problem in either respect of the dual-server being the system operation with a disconnected network and the synchronization of real-time database and historical database.

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