ABB REL650 Product Manual page 72

Line distance protection REL650 ANSI
Product version: 1.3
Inverse time characteristics
Table 89. ANSI Inverse time characteristics
Function
Operating characteristic:
æ ö
A
ç ÷
= + ×
t B td
( )
ç ÷
P
è - ø
I 1
EQUATION1651 V1 EN
I = I /I
measured set
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 90. IEC Inverse time characteristics
Function
Operating characteristic:
æ ö
A
ç ÷
= ×
t td
( )
ç ÷
P
è - ø
I 1
EQUATION1653 V1 EN
I = I /I
measured set
IEC Normal Inverse
IEC Very inverse
IEC Inverse
IEC Extremely inverse
IEC Short time inverse
IEC Long time inverse
The parameter setting
Reserved shall not be used, since this
72
Range or value
td = (0.05-999) in steps of 0.01
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
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
Characterist1 and 4 /
1MRK 506 337-BUS B
Accuracy
-
Accuracy
-
parameter setting is for future use and not
implemented yet.
ABB