DIGITAL PROTECTIVE RELAY WITH A LINE DUPLEXING FUNCTION AND DUPLEXING FUNCTION WHICH IS ANSWERING TO AN INDEPENDENT COMMUNICATION REQUEST OF REMOTE AREA MONITORING BOARDS WHICH ARE DIFFERENT FROM EACH OTHER

摘要

PURPOSE: A digital protective relay with a duplexing function is provided to prevent errors such as unnecessary duplicated data transmission to a remote area monitoring board when switching a communication line.;CONSTITUTION: A first communication part(41) communicates with a remote area monitoring board through a first communication line in order to transmit the data which is saved in a first database. A second communication part(43) communicates with the remote area monitoring board through a second communication line in order to transmit the data which is saved in a second database. A channel data processing part(47) stores data which is transmitted through the first communication line to the first database. The channel data processing part stores data which is transmitted through the second communication line to the second database. A switch processing part(46) switches according to a duplex operation mode in order to transmit the data of the first database instead of the second database by the second communication part.;COPYRIGHT KIPO 2012