发明名称 DIGITAL PROTECTIVE RELAY
摘要 PURPOSE:To prevent the influences and others of the surge incident to switching by introducing the value obtained by sampling the original waveform of the voltage and current at all times and by forming the power transmission line in the threephase distribution constant circuit taking into a consideration the mutual indictance and mutual connection.
申请公布号 JPS531845(A) 申请公布日期 1978.01.10
申请号 JP19760076761 申请日期 1976.06.28
申请人 MITSUBISHI ELECTRIC CORP 发明人 SAKAGUCHI TOSHIAKI
分类号 H02H3/28;H02H3/00 主分类号 H02H3/28
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