ABB REL650 series, Technical Manual, Page: 780 / 856

Table 600: 3PHSUM Output signals
Name Type Description
AI3P GROUP SIGNAL Linear combination of two connected three phase inputs
AI1 GROUP SIGNAL Linear combination of input 1 signals from both SMAI
blocks
AI2 GROUP SIGNAL Linear combination of input 2 signals from both SMAI
blocks
AI3 GROUP SIGNAL Linear combination of input 3 signals from both SMAI
blocks
AI4 GROUP SIGNAL Linear combination of input 4 signals from both SMAI
blocks
17.10.5 Settings
Table 601: 3PHSUM Non group settings (basic)
Name Values (Range) Unit Step Default Description
GlobalBaseSel 1 - 6 - 1 1 Selection of one of the Global Base Value
groups
SummationType Group2
Group1-Group2
Group2-Group1
-(Group2)
- - Group2 Summation type
DFTReference InternalDFTRef
DFTRefGrp1
External DFT ref
- - InternalDFTRef DFT reference
Table 602: 3PHSUM Non group settings (advanced)
Name Values (Range) Unit Step Default Description
FreqMeasMinVal 5 - 200 % 1 10 Magnitude limit for frequency calculation in %
of Vbase
17.10.6 Operation principle
Summation block 3 phase 3PHSUM receives the three-phase signals from Signal matrix
for analog inputs function (SMAI). In the same way, the BLOCK input will reset all the
outputs of the function to 0.
17.11 Global base values GBASVAL
Section 17
1MRK 506 335-UUS A
Basic IED functions
774
Technical manual