17.10  Summation block 3 phase 3PHSUM
17.10.1  Identification
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Summation block 3 phase 3PHSUM - -
17.10.2  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.
17.10.3  Function block
3PHSUM
BLOCK
REVROT
^G1AI3P*
^G2AI3P*
AI3P
AI1
AI2
AI3
AI4
IEC09000201_1_en.vsd
IEC09000201 V1 EN
Figure 261: 3PHSUM function block
17.10.4  Signals
Table 502: 3PHSUM Input signals
Name
Type Default Description
BLOCK BOOLEAN 0 Block
REVROT BOOLEAN 0 Reverse rotation
G1AI3P GROUP
SIGNAL
- Group 1 three phase analog input from first SMAI
G2AI3P GROUP
SIGNAL
- Group 2 three phase analog input from second
SMAI
1MRK 504 135-UEN A Section 17
Basic IED functions
589
Technical manual