ABB Relion 670 Series Applications Manual page 159

1MRK 511 407-UUS Rev. J
Mode : The voltage and current used for the power measurement. The setting possibilities are
shown in table 18.
Table 18:
Set value
A, B, C
Arone
PosSeq
AB
BC
CA
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
smaller than the set pick up power value
Phasor measurement unit RES670
Application manual
Complex power calculation
Mode
OpMode1(2) the function can be set Enabled / Disabled .
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Formula used for complex power calculation
* *
= × + ×
S V I V I
A A B B
EQUATION2055-ANSI V1 EN-US
*
= × - ×
S V I V I
AB A BC
EQUATION2056-ANSI V1 EN-US
*
= × ×
S 3 V I
PosSeq PosSeq
EQUATION2057-ANSI V1 EN-US
* *
= × -
S V ( I I )
AB A B
EQUATION2058-ANSI V1 EN-US
* *
= × -
S V ( I I )
BC B C
EQUATION2059-ANSI V1 EN-US
* *
= × -
S V ( I I )
CA C A
EQUATION2060-ANSI V1 EN-US
*
= × ×
S 3 V I
A A
EQUATION2061-ANSI V1 EN-US
*
= × ×
S 3 V I
B B
EQUATION2062-ANSI V1 EN-US
*
= × ×
S 3 V I
C C
EQUATION2063-ANSI V1 EN-US
Power1(2)
Current protection
*
+ ×
V I
C C
(Equation 59)
*
C
(Equation 60)
(Equation 61)
(Equation 62)
(Equation 63)
(Equation 64)
(Equation 65)
(Equation 66)
(Equation 67)
Angle1(2) is
Section 8
153