发明名称 POWER CUT-OFF SYSTEM WITH REMOTE AUTOMATIC ALARM AND METER READING SERVICE USING POWER LINE COMMUNICATION NETWORK
摘要 <p>This invention relates to distribution line interrupting system having a remote auto alarm and a meter inspection function using communication network. This system comprise first and second current detectors for detecting the groundfault overcurrent, voltage detector, impedance detector, control unit and circuit breakers. The present system breaks only the line which has problems such as groundfault overcurrent and restore the line after the problems are solved.</p>
申请公布号 WO2003071659(P1) 申请公布日期 2003.08.28
申请号 KR2002001277 申请日期 2002.07.05
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