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Research on the RTU redundancy method based on communication ports
Author(s): 
Pages: 132-134
Year: Issue:  16
Journal: Relay

Abstract: 提出了电力SCADA系统中厂站端远动通信装置双机配置时面向通道端口的新型冗余策略,将双机的主备冗余关系建立在具体的通道上,装置两侧的实时数据库和对下通信双主运行,站内通信和数据库的维护各自独立进行,主备切换只在需要切换的两侧通信端口和端口之间进行,对下通信和数据库和其他正常通信通道不参与切换,这样最大限度避免了切换本身给通信和数据库造成的扰动,保证了通信和数据的连续性和完整性.实践表明,该冗余策略...
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