ABB RET650 Series Commissioning Manual page 65

1MRK 504 136-UUS B
The test is made by means of injection of voltage and current where the amplitude of both current
and voltage and the phase angle between the voltage and current can be controlled. During the
test, the analog outputs of active and reactive power shall be monitored.
1. Connect the test set for injection of voltage and current corresponding to the mode to be
used in the application. If a three-phase test set is available this could be used for all the
modes. If a single-phase current/voltage test set is available the test set should be
connected to a selected input for one-phase current and voltage.
Use the formulas stated in
Mode can be found on the local HMI under Main menu/Settings/IED Settings/Current/
GUPPDUP(37,P<)/GUPPDUP:1/General.
Table 3:
Set value:
A, B, C
Arone
PosSeq
AB
BC
CA
Table continues on next page
Transformer protection RET650
Commissioning manual
Table 3
Calculation modes
Mode Formula used for complex power calculation
=
S V
A
EQUATION2055 V1 EN-US
=
S V
AB
EQUATION2056-ANSI V1 EN-US
= ×
S 3 V
EQUATION2057-ANSI V1 EN-US
=
S V
AB
EQUATION2058-ANSI V1 EN-US
=
S V
BC
EQUATION2059-ANSI V1 EN-US
=
S V
CA
EQUATION2060-ANSI V1 EN-US
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for the different calculation modes used. The set mode
* *
× + × + ×
I V I V I
A B B C C
* *
× - ×
I V I
A BC C
*
×
I
PosSeq PosSeq
* *
× -
( I I )
A B
* *
× -
( I I )
B C
* *
× -
( I I )
C A
Testing functionality
*
Section 7
(Equation 1)
(Equation 2)
(Equation 3)
(Equation 4)
(Equation 5)
(Equation 6)
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