Technical Data - ABB REG650 Technical Manual

Section 7
Current protection
7.10.8
216
This undervoltage with additional ACT logic can be used to provide funcionality
for overcurrent protection with undervoltage seal-in.

Technical data

Table 125: VR2PVOC technical data
Function Range or value
Start overcurrent (2 - 5000)% of IBase
Definite time delay (0.00 - 6000.00) s
Inverse 17 curves type
characteristics, see
table 481, table 482
and table 483
Operate time start 30 ms typically at 0 to 2 x I
overcurrent
20 ms typically at 0 to 10 x I
Reset time start 40 ms typically at 2 to 0 x I
overcurrent
Start undervoltage (2.0 - 100.0)% of UBase
Operate time start 30 ms typically 2 to 0 x U
undervoltage
Reset time start 40 ms typically at 0 to 2 x U
undervoltage
High voltage limit, (30 - 100)% of UBase
voltage dependent
operation
Reset ratio, > 95%
overcurrent
Reset ratio, < 105%
undervoltage
Overcurrent:
Critical impulse time 10 ms typically at 0 to 2 x I
Impulse margin time
15 ms typically
Accuracy
± 1.0% of I
± 1.0% of I at I>I
± 0.5% ± 25 ms
See table 481, table
table483
-
set
set
-
set
± 0.5 % of U
-
set
-
set
± 1.0 % of U
-
-
-
set
1MRK 502 034-UEN -
at I<I
r r
r
482 and
r
r
Technical Manual