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抑制干扰是变压器局部放电在线监测的关键技术 .系统地分析了变压器局部放电监测中的干扰信号特征 ,并在此基础上提出了有效的抑制干扰措施 .实验表明 ,提出的信号处理技术能有效地提取局部放电脉冲信号 ,具有良好的应用前景 .
Suppressing interference is the key technology of transformer partial discharge on-line monitoring system.It analyzes systematically the characteristics of interference signal in partial discharge monitoring of transformer and puts forward effective measures to suppress interference.Experiments show that the proposed signal processing technology can effectively Extraction of partial discharge pulse signal, has a good prospect.