H.12
SEL-751A Relay Instruction Manual Date Code 20100129
Synchrophasors
C37.118 Synchrophasor Protocol
including commands to start and stop synchrophasor data transmission, and
commands to request a configuration block from the relay, so the
synchrophasor processor can automatically build a database structure.
Transmit Mode Control
The SEL-751A will not begin transmitting synchrophasors until an enable
message is received from the synchrophasor processor. The relay will stop
synchrophasor transmission when the appropriate command is received from
the synchrophasor processor. The SEL-751A can also indicate when a
configuration change occurs, so the synchrophasor processor can request a
new configuration block and keep its database up-to-date.
The SEL-751A will only respond to configuration block request messages
when it is in the non-transmitting mode.
NOTE: Only one serial port can be
set to PROTO:=PMU at one time.
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