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首页> 外文会议>2011 International Conference on Electric Information and Control Engineering >Fault diagnosis of power grid with information fusion of multi-level
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Fault diagnosis of power grid with information fusion of multi-level

机译：多级信息融合的电网故障诊断

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Based on the multi-source data of protection, breaker and fault recorder is the future trend of fault diagnosis. Firstly, the information fusion in this paper is accomplished on characteristic layer. With the help of wavelet techniques, the firing sequence of Fuzzy Petri net can be treated. The substation fault diagnosis results as well as evaluation of the operations of protections and breakers are obtained through FPN calculation. Then a brief fault report is generated and sent to the primary station, which is used to revise the telesignal data. Finally, the total grid diagnosis result is obtained through optimization method. In the decision layer fusion, the optimization result is fused with the analysis of record through two kinds of wavelet index by improved DS evidence theory. Based on Real Time Digital System (RTDS) the package solution is proved.
机译：基于保护的多源数据，断路器和故障记录仪是故障诊断的未来趋势。首先，本文的信息融合是在特征层上完成的。借助于小波技术，可以处理模糊Petri网的触发序列。通过FPN计算获得变电站故障诊断结果以及对保护器和断路器的操作进行评估。然后，将生成简短的故障报告并将其发送到主站，该主站用于修改电话信号数据。最后，通过优化方法获得了总的网格诊断结果。在决策层融合中，采用改进的DS证据理论通过两种小波指标将优化结果与记录分析融合在一起。基于实时数字系统（RTDS），证明了该包装解决方案。

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