Monitoring & Control
244 PRS-7367
5 Monitoring & Control
5.1 Overview
Besides the protection and supervision functions, the relay provides some other auxiliary functions,
such as protection and metering measurement quantities sampling, remote control, BI signaling,
event recording and fault & disturbance recording etc. All these sub-functions are integrated
components to fulfill the protection and control functions of the device.
5.2 Control SYN
5.2.1 25SYN Overview
This relay supports synchro check function. The synchro check can be used in a local control
operation or remote control operation from a supervision and control system. Three check modes
described below can be selected for the synchro check function.
5.2.1.1 Function Block
The function block of the protection is as below.
Figure 5.2.1-5.2-1 Function block
5.2.1.2 Signals
Table 5.2-1 Input Signals
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