GE DGP Series - Page 75

GE Power Management DGP Digital Generator Protection System 2-
35
2 CALCULATION OF SETTINGS 2.3 PROTECTION FUNCTION SETTINGS
2
Figure 2–15: 59 TIME-VOLTAGE CHARACTERISTICS
0.1
1
10
100
1000
100 110 120 130 140 150 160 170 180 190 200
Percent of Pickup
Time (seconds)
Time Factor K
2
3
5
4
0.5
1.0
10
7