Areva MiCOM P921 - Page 56

P92x/EN TD/E11 Technical Guide
Technical Data
Page 10/30 MiCOM P921-P922-P923
Setting Range Step Size
TMS 0.5 – 100 0.5
Setting Range Step Size
TRESET (only DT) 0 – 100s 0,01s
UNDERVOLTAGE CHARACTERISTIC
1
10
100
1000
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
Applied voltage/relay setting voltage
P0396ENa
Operating time (sec)
TMS = 5
TMS = 2
TMS = 1
FIGURE 1 : IDMT CURVES FOR THE UNDERVOLTAGE ELEMENT “V<”