ABB REL650 - Page 255

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