ABB Relion 670 Series Technical Reference Manual page 495

1MRK505222-UUS C
7.13.5
Table 249: BRCPTOC (46) Group settings (basic)
Name Values (Range)
Operation Disabled
Enabled
IBase 0 - 99999
Pickup_ub 50 - 90
Pickup_PH 5 - 100
tOper 0.000 - 60.000
Table 250: BRCPTOC (46) Group settings (advanced)
Name Values (Range)
tReset 0.010 - 60.000
7.13.6
Technical reference manual
Table 248: BRCPTOC (46) Output signals
Name Type
TRIP BOOLEAN
PICKUP BOOLEAN
Setting parameters
Unit Step
- -
A 1
%IM 1
%IB 1
s 0.001
Unit Step
s 0.001
Technical data
Table 251: BRCPTOC (46) technical data
Function
Minimum phase current for operation
Unbalance current operation
Timer
Description
Operate signal of the protection logic
Pickup signal of the protection logic
Default Description
Disabled Operation Disable / Enable
3000 IBase
50 Unbalance current operation value in percent
of max current
20 Minimum phase current for operation of
pickup_ub> in % of Ibase
5.000 Operate time delay
Default Description
0.100 Time delay in reset
Range or value
IBase
(5–100)% of
(0–100)% of maximum current
(0.00-6000.00) s
Section 7
Current protection
Accuracy
± 0.1% of I
n
± 0.1% of I
n
± 0.5% ± 10 ms
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