GE MiCOM P141 Agile - Sensitive Overvoltage Logic; Sensitive Overvoltage Operation Logic; Figure 123: Sensitive Overvoltage Operation Logic

7.2 SENSITIVE OVERVOLTAGE LOGIC
7.2.1 SENSITIVE OVERVOLTAGE OPERATION LOGIC
V00812
VA
SOV>1 Volt Set
SOV>1 Time Delay
SOV>1 Trip A/AB
SOV >1 Start A/AB
&
1
&
&
&
1
&
&
1
1
SOV>1 Start
SOV>1 Trip
SOV Operate Mode
Any Phase
Three Phase
SOV Meas't Mode
VAB
VB
SOV>1 Volt Set
SOV>1 Time Delay
SOV>1 Trip B/BC
SOV>1 Start B/BC
SOV Meas't Mode
VBC
VC
SOV>1 Volt Set
SOV>1 Time Delay
SOV>1 Trip C/CA
SOV>1 Start C/CA
SOV Meas't Mode
VCA
Notes: This diagram does not show all stages . Other stages follow similar principles.
Setting
factor
Setting
factor
Setting
factor
SOV1 blocked
&
&
&
Figure 123: Sensitive Overvoltage operation logic
P14x Chapter 10 - Voltage Protection Functions
P14xEd1-TM-EN-1 231