ABB RELION 670 Series Technical Manual page 1276

Section 21
Basic IED functions
Name
AI2
AI3
AI4
21.10.4 Settings
Table 991: 3PHSUM Non group settings (basic)
Name Values (Range)
GlobalBaseSel 1 - 12
SummationType Group1+Group2
Group1-Group2
Group2-Group1
-(Group1+Group2)
DFTReference InternalDFTRef
DFTRefGrp1
External DFT ref
DFTRefExtOut InternalDFTRef
DFTRefGrp1
External DFT ref
Table 992: 3PHSUM Non group settings (advanced)
Name Values (Range)
FreqMeasMinVal 5 - 200
21.10.5 Operation principle
Summation block 3 phase 3PHSUM receives the three-phase signals from Signal matrix for analog
inputs function (SMAI). The BLOCK input will reset all the outputs of the function to 0.
21.11 Global base values GBASVAL
1270
Type
GROUP SIGNAL
GROUP SIGNAL
GROUP SIGNAL
DFTRefExtOut and DFTReference shall be set to default value
Settings
InternalDFTRef if no VT inputs are available.
Unit Step
- 1
- -
- -
- -
Unit Step
% 1
Description
Linear combination of input 2 signals from both SMAI blocks
Linear combination of input 3 signals from both SMAI blocks
Linear combination of input 4 signals from both SMAI blocks
Default Description
1 Selection of one of the Global Base Value
groups
Group1+Group2 Summation type
InternalDFTRef DFT reference
InternalDFTRef DFT reference for external output
Default Description
10 Amplitude limit for frequency calculation in
% of UBase
1MRK 502 066-UUS B
SEMOD55995-1 v2
SEMOD130361-4 v2
PID-6428-SETTINGS v3
SEMOD55749-4 v6
GUID-2FDB0A2C-10FE-4954-B6E4-9DA2EEEF1668 v1
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