ABB Relion 670 Series Applications Manual page 206

Section 8
Current protection
Set value
B,C
C,A
A
B
C
The function has two stages that can be set independently.
With the parameter
The function gives trip if the power component in the direction defined by the setting
larger than the set pick up power value
200
Mode
OpMode1(2) the function can be set Enabled / Disabled .
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Formula used for complex power calculation
*
*
-
= ×
)
S V (I I
BC B C
EQUATION2042 V1 EN-US
*
*
-
= × )
S V (I I
C A
CA
EQUATION2043 V1 EN-US
*
= × ×
S 3 V I
A A
EQUATION2044 V1 EN-US
*
= × ×
S 3 V I
B B
EQUATION2045 V1 EN-US
*
= × ×
S 3 V I
C
C
EQUATION2046 V1 EN-US
Power1(2)
1MRK 511 401-UUS F
(Equation 86)
(Equation 87)
(Equation 88)
(Equation 89)
(Equation 90)
Angle1(2) is
Bay control REC670
Application manual