• Pole discordance supervision
• Operation counter
• Suppression of mid position
The apparatus control function is realized by means of a number of function blocks
designated:
• Switch controller SCSWI
• Circuit breaker SXCBR
• Bay control QCBAY
• Local remote LOCREM
• Local remote control LOCREMCTRL
The signal flow between the function blocks is shown in Figure
108. The
application description for all these functions can be found below. The function
SCILO in the Figure below is the logical node for interlocking.
When the circuit breaker or switch is located in a breaker IED, two more functions
are added:
• GOOSE receive for switching device GOOSEXLNRCV
• Proxy for signals from switching device via GOOSE XLNPROXY
The extension of the signal flow and the usage of the GOOSE communication are
shown in Figure
109.
1MRK 505 393-UEN B Section 12
Control
Line differential protection RED650 2.2 IEC 253
Application manual
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