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一种用于电网故障诊断的遥信信息解析方法

DOI: 10.13334/j.0258-8013.pcsee.2014.22.030, PP. 3824-3833

Keywords: 遥信信息,解析模型,故障诊断,电网,自维护,语义分析

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Abstract:

电网在线故障诊断基于调度自动化平台的遥信信息构建模型,建模过程复杂,维护工作繁重,是制约故障诊断系统在线应用的重要问题。结合调度自动化系统获得遥信信息的特点,提出一种采用语义分析技术的电网遥信信息解析方法。通过字符分解自动提取遥信信息中诊断模型所需基本逻辑变量;基于结线分析建立电气设备与断路器的关联,以及遥信信息间的关联关系,并将其一一对应到解析系;在此基础上,根据保护跳闸原则与保护类型和属性完成模型的解析规则中,实现遥信信息到诊断模型的自动映射,简化了建模工作。最后用某地区电网实际发生的故障案例验证了所提出方法在电网故障诊断方面的有效性和实用性。

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