ABB REL650 Applications Manual page 255

1MRK 506 334-UUS A
Application manual
Mode
Set value
CA
A
B
C
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 smaller than the set pick up power value Power1(2)
Current protection
Formula used for complex power calculation
* *
= × -
S V ( I I )
CA C A
EQUATION2060-ANSI V1 EN
*
= × ×
S 3 V I
A A
EQUATION2061-ANSI V1 EN
*
= × ×
S 3 V I
B B
EQUATION2062-ANSI V1 EN
*
= × ×
S 3 V I
C C
EQUATION2063-ANSI V1 EN
Section 7
(Equation 158)
(Equation 159)
(Equation 160)
(Equation 161)
249