ABB RET670 - Page 494

Set value Mode Formula used for complex power calculation
A,B
*
A B
AB
*
S V (I I )= × -
EQUATION2041 V1 EN (Equation 387)
B,C
*
B C
BC
*
S V (I I )= × -
EQUATION2042 V1 EN (Equation 388)
C,A
*
C A
CA
*
S V (I I )= × -
EQUATION2043 V1 EN (Equation 389)
A
*
A
A
S 3 V I= × ×
EQUATION2044 V1 EN (Equation 390)
B
*
B
B
S 3 V I= × ×
EQUATION2045 V1 EN (Equation 391)
C
*
C
C
S 3 V I= × ×
EQUATION2046 V1 EN (Equation 392)
The function has two stages that can be set independently.
With the parameter OpMode1(2) the function can be set Enabled/Disabled.
The function gives trip if the power component in the direction defined by the setting
Angle1(2) is larger than the set pick up power value Power1(2)
Section 3 1MRK504116-UUS C
IED application
488
Application manual