8.4 MOVING AVERAGE POSITIVE SEQUENCE VOLTAGE LOGIC
V00810
V 1 Mov Average
V 1avg>1 Volt Set
&
V1avg >1 Status
V1avg >1 Delay
V1avg >1 Trip
V 1avg>1 Start
VTS Fast Block
&
V Blocking 1
Enabled
Figure 109: Moving Average positive sequence voltage logic
8.5 MOVING AVERAGE NEGATIVE SEQUENCE VOLTAGE LOGIC
V00811
V 2 Mov Average
V 2avg>1 Volt Set
&
V2avg >1 Status
V2avg>1 TripTime
V2avg >1 Trip
V 2avg>1 Start
V2avg>1 StrtTime
VTS Fast Block
&
V Blocking 1
Enabled
Figure 110: Moving Average negative sequence voltage logic
8.6 MOVING AVERAGE UNDERVOLTAGE BLOCKING PSL
The Moving Average Undervoltage Protection function does not provide internal blocking for Pole Dead conditions.
T
o achieve this you must configure this in PSL as follows:
V00815
All Poles DeadAll Poles Dead
Vavg< Inhibit
0
10000
T1 drop-off
Figure 111: Average Voltage Protection blocking
Chapter 10 - Voltage Protection Functions P24xM
220 P24xM-TM-EN-2.1