Energizing Inputs - ABB Relion Technical Manual

Section 19
Technical data
19.3
724

Energizing inputs

Table 554: TRM — Energizing quantities, rated values and limits for transformer inputs
Description
Frequency
Rated frequency f
r
Operating range
Current inputs
Rated current I
r
Operating range
Thermal withstand
Dynamic withstand
Burden
*)
max. 350 A for 1 s when COMBITEST test switch is included.
**)
Voltage inputs
Rated voltage V
r
Operating range
Thermal withstand
Burden
**)
all values for individual voltage inputs
Note! All current and voltage data are specified as RMS values at rated frequency
1) Residual current
2) Phase currents or residual current
Value
50 or 60 Hz
f ± 10%
r
1)
0.1 or 0.5 A
0 – 50 A
100 A for 1 s
20 A for 10 s
8 A for 1 min
4 A continuously
250 A one half wave
< 1 mVA at I = 0.1 A
r
< 20 mVA at I = 0.5 A
r
100 or 220 V
0 – 420 V
450 V for 10 s
420 V continuously
< 50 mVA at 100 V
< 200 mVA at 220 V
1MRK 502 048-UUS A
2)
1 or 5 A
0 – 500 A
*)
500 A for 1 s
100 A for 10 s
40 A for 1 min
20 A continuously
1250 A one half wave
< 10 mVA at I = 1 A
r
< 200 mVA at I = 5 A
r
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