Settings; Operation Principle; Global Base Values Gbasval - ABB Relion 650 Series REB650 Technical Manual

1MRK 505 288-UEN A
15.10.5
Table 406: 3PHSUM Non group settings (basic)
Name Values (Range)
GlobalBaseSel
SummationType
DFTReference
Table 407: 3PHSUM Non group settings (advanced)
Name Values (Range)
FreqMeasMinVal
15.10.6
15.11
Technical manual
Table 405: 3PHSUM Output signals
Name
AI3P
AI1
AI2
AI3
AI4

Settings

Unit
1 - 6 -
Group1+Group2 -
Group1-Group2
Group2-Group1
-(Group1+Group2)
InternalDFTRef -
DFTRefGrp1
External DFT ref
Unit
5 - 200 %

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.

Global base values GBASVAL

Type Description
GROUP SIGNAL Linear combination of two connected three phase
inputs
GROUP SIGNAL Linear combination of input 1 signals from both
SMAI blocks
GROUP SIGNAL Linear combination of input 2 signals from both
SMAI blocks
GROUP SIGNAL Linear combination of input 3 signals from both
SMAI blocks
GROUP SIGNAL Linear combination of input 4 signals from both
SMAI blocks
Step Default
1 1
- Group1+Group2
- InternalDFTRef
Step Default
1 10
Section 15
Basic IED functions
Description
Selection of one of the Global Base Value
groups
Summation type
DFT reference
Description
Amplitude limit for frequency calculation in
% of Ubase
487