ABB RELION 650 SERIES, Technical Manual

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10.1.4 Signals
PID-6806-INPUTSIGNALS v2
Table 176: CCSSPVC Input signals
Name Type Default Description
I3P GROUP
SIGNAL
- Group signal for three phase current input
IREF GROUP
SIGNAL
- Residual reference current input
BLOCK BOOLEAN 0 Block of function
PID-6806-OUTPUTSIGNALS v2
Table 177: CCSSPVC Output signals
Name Type Description
FAIL BOOLEAN Detection of current circuit failure
ALARM BOOLEAN Alarm for current circuit failure
10.1.5 Settings
PID-6806-SETTINGS v2
Table 178: CCSSPVC Group settings (basic)
Name Values (Range) Unit Step Default Description
Operation Off
On
- - Off Operation Off / On
IMinOp 10 - 200 %IB 1 20 Minimum operate current differential
level in % of IBase
Table 179: CCSSPVC Group settings (advanced)
Name Values (Range) Unit Step Default Description
Ip>Block 20 - 500 %IB 1 150 Block of the function at high phase
current, in % of IBase
Table 180: CCSSPVC Non group settings (basic)
Name Values (Range) Unit Step Default Description
GlobalBaseSel 1 - 12 - 1 1 Selection of one of the Global Base
Value groups
10.1.6 Operation principle
M12396-5 v10
Current circuit supervision CCSSPVC compares the absolute value of the vectorial
sum of the three phase currents |ΣIphase| and the absolute value of the residual
current |Iref| from another current transformer set, see figure
158 .
Section 10
1MRK 506 382-UEN A
Secondary system supervision
316 Line distance protection REL650 2.2 IEC
Technical manual