GE MiCOM P747 Agile

3.2 VTS ACCELERATION INDICATION LOGIC
Trip Command In
V
02001
VTS Acc Ind
Key: External DDB Signal
&AND gate OR gate 1
Figure 75: VTS Acceleration Indication Logic
3.3 CB FAIL SEF PROTECTION LOGIC
1
ISEF>1 Trip
V
02002
ISEF>2 Trip
ISEF>3 Trip
ISEF>4 Trip
CBF SEF Trip -1
CBF SEF TripCBF SEF Trip -1
Trip Command In
&
Key: External DDB Signal
&AND gate OR gate 1
Figure 76: CB Fail SEF Protection Logic
Chapter 12 - Scheme Logic MiCOM P747
318 P747-TM-EN-1
P747-TM-EN-1.1