Performance Of Voltage Protection Functions; Undervoltage Protection; Overvoltage Protection; Residual Overvoltage Protection - GE MiCOM P40 Agile Technical Manual

P14D
4

PERFORMANCE OF VOLTAGE PROTECTION FUNCTIONS

4.1

UNDERVOLTAGE PROTECTION

Pick-up (IDMT and DT)
Drop-off (IDMT and DT)
IDMT operate
Disnegagement
DT operate
DT reset
Repeatability
4.2

OVERVOLTAGE PROTECTION

IDMT pick-up
DT pick-up
Drop-off (IDMT and DT)
IDMT operate
Disengagement
DT operate
DT reset
Repeatability
4.3

RESIDUAL OVERVOLTAGE PROTECTION

IDMT pick-up
DT pick-up
Drop-off (IDMT and DT)
IDMT operate
Disengagement
DT operate
DT reset
Repeatability
4.4

NEGATIVE SEQUENCE VOLTAGE PROTECTION

Pick-up
Drop-off
P14D-TM-EN-8
Setting +/- 5%
1.02 x Setting +/-5%
+/- 3.5% or 40 ms, whichever is greater (<10 V)
+/- 5% or 40 ms, whichever is greater (>10 V)
<40 ms
+/- 2% or 50 ms, whichever is greater
Setting +/- 5%
+/- 1%
Setting +/- 2%
Setting +/- 1%
0.98 x Setting +/-5%
+/-5% or 50 ms
< 40 ms
+/- 2% or 50 ms, whichever is greater
Setting +/- 5%
+/- 5%
1.05 x Setting +/- 5%
Setting +/- 5%
0.95 x Setting +/-5%
+/- 5% or 65 ms, whichever is greater
< 35 ms
+/- 2% or 70 ms or whichever is greater
Setting +/- 5%
<10%
Accuracy
Setting +/- 5%
0.95 x Setting +/-5%
Chapter 22 - Technical Specifications
477