ABB REU 610 Technical Reference Manual page 34

REU 610
34
Voltage Relay
Technical Reference Manual - ANSI Version
27P-1 TD,
27P-2 TD
2.0
1.4
1.0
0.7
0.4
0.2
0.1
0.3 0.4
U/27P-1,
U/27P-2,
U /27D
1
Fig. 5.1.4.6.-3 Characteristics of type C
0.5 0.6 0.7 0.8
1MRS755972
t/s
1000
100
10
1
0.1
0.01
0.9 1
A052089