Areva MiCOM P921 - Page 59

Technical Guide P92x/EN TD/E11
Technical Data
MiCOM P921-P922-P923 Page 13/30
OVERVOLTAGE CHARACTERISTIC
0,01
0,1
1
10
100
1000
0 2 4 6 8 101214161820
Applied voltage input/relay setting voltage
P0397ENa
Operating time (sec)
TMS = 5
TMS = 2
TMS = 1
FIGURE 2 : IDMT CURVE FOR THE OVERVOLTAGE ELEMENT “V>”