GE MiCOM P141 Agile - VTS Acceleration Indication Logic; Figure 175: VTS Acceleration Indication Logic

As can be seen from the diagram, the VTS function is inhibited if:
● An All Poles Dead
DDB signal is present
● Any phase overcurrent condition exists
● A Negative Phase Sequence current exists
● If the phase current changes over the period of 1 cycle
2.6 VTS ACCELERATION INDICATION LOGIC
Trip Command In
V0
2001
VTS Acc Ind
Figure 175: VTS Acceleration Indication Logic
P14x Chapter 15 - Supervision
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