ABB Relion 650 Series Technical Manual page 613

1MRK 506 326-UUS B
Table 573: ANSI Inverse time characteristics
Function
Operating characteristic:
æ
ç
=
t
(
ç
è
I
EQUATION1651 V1 EN-US
I = I
measured
ANSI Extremely Inverse
ANSI Very inverse
ANSI Normal Inverse
ANSI Moderately Inverse
ANSI Long Time Extremely Inverse
ANSI Long Time Very Inverse
ANSI Long Time Inverse
Table 574: IEC Inverse time characteristics
Function
Operating characteristic:
æ
ç
=
t
(
ç
è
I
EQUATION1653 V1 EN-US
I = I
measured
IEC Normal Inverse
IEC Very inverse
IEC Inverse
IEC Extremely inverse
IEC Short time inverse
IEC Long time inverse
Line distance protection REL650
Technical manual
ö
A
÷
+ ×
B td
)
÷
P
- ø
1
/I
set
ö
A
÷
×
td
)
÷
P
- ø
1
/I
set
© Copyright 2011 ABB Power Grids. All rights reserved
Range or value
td = (0.05-999) in steps of 0.01 unless
otherwise stated
A=28.2, B=0.1217, P=2.0
A=19.61, B=0.491, P=2.0
A=0.0086, B=0.0185, P=0.02, tr=0.46
A=0.0515, B=0.1140, P=0.02
A=64.07, B=0.250, P=2.0
A=28.55, B=0.712, P=2.0
td=(0.05-999) in steps of 0.01
A=0.086, B=0.185, P=0.02
Range or value
td = (0.05-999) in steps of 0.01
A=0.14, P=0.02
A=13.5, P=1.0
A=0.14, P=0.02
A=80.0, P=2.0
A=0.05, P=0.04
A=120, P=1.0
Section 21
Time inverse characteristics
M12388-1 v6
Accuracy
-
ANSI/IEEE C37.112,
class 5 + 40 ms
Accuracy
-
IEC 60255-151, class 5 +
40 ms
607