Summation Block 3 Phase 3Phsum - ABB Relion Technical Manual

1MRK 502 048-UUS A
17.10
17.10.1
17.10.2
17.10.3
17.10.4
Technical manual
For SMAI_20_1:2 to SMAI_20_12:2
DFTReference set to External DFT ref to use DFTSPFC input as reference.

Summation block 3 phase 3PHSUM

Identification
Function description
Summation block 3 phase
Functionality
Summation block 3 phase function 3PHSUM is used to get the sum of two sets of three-
phase analog signals (of the same type) for those IED functions that might need it.
Function block
3PHSUM
BLOCK AI3P
REVROT AI1
^G1AI3P* AI2
^G2AI3P* AI3
AI4
IEC09000201_1_en.vsd
IEC09000201 V1 EN
Figure 309: 3PHSUM function block
Signals
Table 517: 3PHSUM Input signals
Name Type
BLOCK BOOLEAN
REVROT BOOLEAN
G1AI3P GROUP
SIGNAL
G2AI3P GROUP
SIGNAL
IEC 61850 IEC 60617
identification identification
3PHSUM -
Default Description
0 Block
0 Reverse rotation
- Group 1 three phase analog input from first SMAI
- Group 2 three phase analog input from second SMAI
Section 17
Basic IED functions
ANSI/IEEE C37.2
device number
-
695