GE P24DM - IEC and IEEE Inverse Curves; Figure 22: IEC Standard and very Inverse Curves; Figure 23: IEC Extremely Inverse and IEEE Moderate Inverse Curves

3.1.4 IEC AND IEEE INVERSE CURVES
E00757
0.01
0.1
1
10
100
1000
0.5 5 50
Time in seconds
Current in Multiples of Setting
IEC Standard Inverse Curve
0.025
0.075
0.100
0.300
0.500
0.700
0.900
1.000
1.200
TMS
0.01
0.1
1
10
100
1000
0.5 5 50
Time in seconds
Current in Multiples of Setting
IEC Very Inverse Curve
0.025
0.075
0.100
0.300
0.500
0.700
0.900
1.000
1.200
TMSTMS
Figure 22: IEC standard and very inverse curves
E00758
0.01
0.1
1
10
100
1000
0.5 5 50
Time in seconds
Current in Multiples of Setting
IEC Extremely Inverse Curve
0.025
0.075
0.100
0.300
0.500
0.700
0.900
1.000
1.200
TMSTMS
0.01
0.1
1
10
100
1000
0.5 5 50
Time in seconds
Current in Multiples of Setting
IEEE Moderate Inverse Curve
0.05
0.5
1
5
10
30
50
70
100
Figure 23: IEC Extremely inverse and IEEE moderate inverse curves
Chapter 6 - Current Protection Functions P24xM
90 P24xM-TM-EN-2.1