发明名称 Mimic high pass filter in a protective relay
摘要 A mimic filter which can be implemented in analog or digital circuitry, and which removes dc offset or other noise from an input signal using a pseudo-differentiation technique. The input signal is adjusted by a feedback value, and the adjusted signal is amplified by a proportional gain factor to generate an output signal. The feedback value is determined by integrating the output signal and multiplying the integration by an integration gain factor. The mimic filter avoids the generation of false signal spikes.
申请公布号 AU3877100(A) 申请公布日期 2000.10.04
申请号 AU20000038771 申请日期 2000.03.17
申请人 GENERAL ELECTRIC COMPANY 发明人 LOUIS CHI HOI CHENG
分类号 H02H3/02;H02H1/00;H02H7/26 主分类号 H02H3/02
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