20. Technical data
General
IP11376-1 v2
M10993-1 v3
Definitions
Reference value
The specified value of an influencing factor to which are referred the characteristics of the equipment
Nominal range
The range of values of an influencing quantity (factor) within which, under specified conditions, the equipment meets the
specified requirements
Operative range
The range of values of a given energizing quantity for which the equipment, under specified conditions, is able to perform its
intended functions according to the specified requirements
Energizing quantities, rated values and limits
IP15765-1 v2
Analog inputs
IP15842-1 v1
M16988-1 v9
Table 7. TRM - Energizing quantities, rated values and limits for protection transformer modules
Quantity
Rated value
Nominal range
Current
I
r
= 1 or 5 A
(0.2-40) × I
r
Operative range
(0-100) x I
r
Permissive overload
4 × I
r
cont.
100 × I
r
for 1 s
*)
Burden
< 150 mVA at I
r
= 5 A
< 20 mVA at I
r
= 1 A
Ac voltage
U
r
= 110 V
0.5–288 V
Operative range
(0–340) V
Permissive overload
420 V cont.
450 V 10 s
Burden
< 20 mVA at 110 V
Frequency
f
r
= 50/60 Hz
±5%
*)
max. 350 A for 1 s when COMBITEST test switch is included.
1MRK 502 068-BEN D
Generator protection REG670 2.1 IEC
Product version: 2.1
ABB
39
Содержание RELION 670 SERIES REG670
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