ABB Relion 650 Series Technical Manual page 274

Section 9
Secondary system supervision
9.1.4 Signals
Table 202: CCSRDIF (87) Input signals
Name
I3P
IREF
BLOCK
Table 203: CCSRDIF (87) Output signals
Name
FAIL
ALARM
9.1.5 Settings
Table 204: CCSRDIF (87) Group settings (basic)
Name Values (Range)
Operation Disabled
Enabled
IMinOp 5 - 200
Table 205: CCSRDIF (87) Group settings (advanced)
Name Values (Range)
Pickup_Block 5 - 500
Table 206: CCSRDIF (87) Non group settings (basic)
Name Values (Range)
GlobalBaseSel 1 - 6
9.1.6 Operation principle
Current circuit supervision CCSRDIF (87) compares the absolute value of the vectorial sum of the
three phase currents |ΣIphase| and the numerical value of the residual current |Iref| from another
current transformer set, see figure 137.
268
Type Default Description
GROUP - Three phase group signal for current inputs
SIGNAL
GROUP - Group signal for current reference
SIGNAL
BOOLEAN 0 Block of function
Type Description
BOOLEAN Detection of current circuit failure
BOOLEAN Alarm for current circuit failure
Unit Step
- -
%IB 1
Unit Step
%IB 1
Unit Step
- 1
© Copyright 2011 ABB Power Grids. All rights reserved
Default Description
Disabled Disable/Enable Operation
20 Minimum operate current differential
pickup in % of IBase
Default Description
150 Block of the function at high phase
current, in % of IBase
Default Description
1 Selection of one of the Global Base Value
groups
1MRK 506 326-UUS B
PID-1124-INPUTSIGNALS v5
PID-1124-OUTPUTSIGNALS v5
PID-1124-SETTINGS v5
M12396-5 v4
Line distance protection REL650
Technical manual