Energizing Inputs; Measuring Range - ABB REF610 Technical Reference Manual

REF610 REF610
152
Feeder Protection Relay
Technical Reference Manual - ANSI Version
Ripple in the DC auxiliary voltage
Interruption time in the auxiliary DC voltage without
resetting the relay
Time to trip from switching on the auxiliary voltage
Internal over temperature limit
Fuse type
Table 5.2.4.-3

Energizing inputs

Rated frequency
Rated current, I (CT)
n
Thermal withstand capability:
continuously
*
for 1 s
*
for 10 s
*
Dynamic current withstand:
half-wave value
*
Input impedance
Table 5.2.4.-4

Measuring range

Measured currents on phases I
multiples of the rated currents of the energizing
inputs
Ground-fault current as a multiple of the rated
current of the energizing input
Table 5.2.4.-5 Digital inputs
Rated voltage:
REF610CxxHxxx
Activating threshold
REF610CxxLxxx
Activating threshold
REF610CxxxxLx
Activating threshold
REF610CxxxxHx
Activating threshold
Operating range
Current drain
Power consumption/input
, I and I as 0...50 × I
a b c
0...20 × I
DI1...DI2
110/125/220/250 V DC
Max. 88 V DC (110 V DC -
20%)
24/48/60/110/125/
220/250 V DC
Max. 19,2 V DC (24 V DC -
20%)
±20% of the rated voltage
2...18 mA
≤0.9 W
1MRS755535
Max 12% of the DC value (at
frequency of 100 Hz)
<50 ms at U rated
aux
<350 ms
+100°C
T2A/250 V
50/60 Hz ±5 Hz
0.2 A 1 A
1.5 A 4 A
20 A 100 A 500 A
5 A 25 A
50 A 250 A 1250
<750 <100
mΩ mΩ
(CT)
n
(CT)
n
DI3...DI5 (optional)
24/48/60/110/125/
220/250 V DC
Max. 19,2 V DC (24 V DC -20%)
110/125/220/250 V DC
Max. 88 V DC (110 V DC -20%)
5 A
20 A
100 A
A
<20
mΩ