Technical Data; Energizing Quantities, Rated Values And Limits; Analog Inputs Data - ABB RET670 Product Manual
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Also See for RET670:
- Applications manual (1016 pages) ,
- Commissioning manual (328 pages) ,
- Installation and commissioning manual (240 pages)
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Transformer protection RET670 2.0
Product version: 2.0
21. 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 2. TRM - Energizing quantities, rated values and limits for protection transformer modules
Quantity
Current
Operative range
Permissive overload
Burden
Ac voltage
Operative range
Permissive overload
Burden
Frequency
*)
max. 350 A for 1 s when COMBITEST test switch is included.
Table 3. TRM - Energizing quantities, rated values and limits for measuring transformer modules
Quantity
Current
Permissive overload
Burden
Ac voltage
Operative range
Permissive overload
Burden
Frequency
44
Rated value
I
= 1 or 5 A
r
(0-100) x I
r
4 × I
cont.
r
*)
100 × I
for 1 s
r
< 150 mVA at I
= 5 A
r
< 20 mVA at I
= 1 A
r
U
= 110 V
r
(0–340) V
420 V cont.
450 V 10 s
< 20 mVA at 110 V
f
= 50/60 Hz
r
Rated value
I
= 1 or 5 A
r
1.1 × I
cont.
r
1.8 × I
for 30 min at I
= 1 A
r
r
1.6 × I
for 30 min at I
= 5 A
r
r
< 350 mVA at I
= 5 A
r
< 200 mVA at I
= 1 A
r
U
= 110 V
r
(0–340) V
420 V cont.
450 V 10 s
< 20 mVA at 110 V
f
= 50/60 Hz
r
1MRK 504 141-BEN C
Nominal range
(0.2-40) × I
r
0.5–288 V
±5%
Nominal range
(0-1.8) × I
at I
= 1 A
r
r
(0-1.6) × I
at I
= 5 A
r
r
0.5–288 V
±5%
ABB
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