20. Technical data
General
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
Analog inputs
Table 6. 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.
1MRK511232-BEN E
Pre-configured
Product version: 1.2
ABB 29
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