Monitored Data - ABB Relion Technical Manual

1MRK 502 048-UUS A
Table 86: OC4PTOC (51_67) Group settings (advanced)
Name Values (Range)
HarmRestrain Disabled
Enabled
2ndHarmStab 5 - 100
HarmRestrain1 Disabled
Enabled
HarmRestrain2 Disabled
Enabled
HarmRestrain3 Disabled
Enabled
HarmRestrain4 Disabled
Enabled
Table 87: OC4PTOC (51_67) Non group settings (basic)
Name Values (Range)
GlobalBaseSel 1 - 6
MeasType DFT
RMS
8.1.6
8.1.7
Technical manual
Unit Step
- -
%IFund 1
- -
- -
- -
- -
Unit Step
- 1
- -

Monitored data

Table 88: OC4PTOC (51_67) Monitored data
Name Type
DIRL1 INTEGER
DIRL2 INTEGER
DIRL3 INTEGER
IL1 REAL
IL2 REAL
IL3 REAL
Operation principle
The protection design can be divided in four parts:
Default Description
Disabled Enable block from harmonic restrain
20 Pickup of second harm restraint in % of
Fundamental
Disabled Enable block of step 1 from harmonic restrain
Disabled Enable block of step 2 from harmonic restrain
Disabled Enable block of step3 from harmonic restrain
Disabled Enable block of step 4 from harmonic restrain
Default Description
1 Selection of one of the Global Base Value
groups
DFT Selection between DFT and RMS
measurement
Values (Range) Unit
1=Forward -
2=Reverse
0=No direction
1=Forward -
2=Reverse
0=No direction
1=Forward -
2=Reverse
0=No direction
- A
- A
- A
Section 8
Current protection
Description
Direction for phase A
Direction for phase B
Direction for phase C
Current in phase A
Current in phase B
Current in phase C
197