PROTECTIVE INFORMATION TRANSMITTING AND RECEIVING DEVICE, AND TRANSMITTING AND RECEIVING METHOD OF PROTECTIVE INFORMATION

摘要

PURPOSE: The transceiving method of the system protection transmitting device for the digital protective relay and system protected signal constitute in order to transmit and receive data of the light signal form and relay. CONSTITUTION: The first and second clock feed ports(61, 62) occur the separate signal to the basis transmitted from relay. The first interface unit(63) transmits and receive the system protected signal to the working line. The second interface part(64) transmits and receive the system protected signal to the spare line.