ABB REB670 Series Applications Manual page 364

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Section 14
Monitoring
Measurement function application for a 400kV OHL
Single line diagram for this application is given in figure 196:
1000/1 A
400
3
IEC09000039-1-EN V3 EN-US
Figure 196: Single line diagram for 400kV OHL application
In order to monitor, supervise and calibrate the active and reactive power as indicated in
figure
196
1.
Set correctly CT and VT data and phase angle reference channel
PCM600 for analog input channels
2.
Connect, in PCM600, measurement function to three-phase CT and VT inputs
3.
Set under General settings parameters for the Measurement function:
Table 49: General settings parameters for the Measurement function
Setting
Operation
PowAmpFact
PowAngComp
Mode
k
Table continues on next page
358
The available measured values of an IED are depending on the actual hardware
(TRM) and the logic configuration made in PCM600.
400kV Busbar
0
1 ,
/
kV
3
P
Q
400kV OHL
it is necessary to do the following:
general settings as shown in table 49.
level supervision of active power as shown in table 50.
calibration parameters as shown in table 51.
Short Description
Operation Off/On
Amplitude factor to scale
power calculations
Angle compensation for phase
shift between measured I & U
Selection of measured current
and voltage
Low pass filter coefficient for
power measurement, U and I
IED
IEC09000039-3-en.vsdx
Selected
Comments
value
On
Function must be
1.000
It can be used during commissioning to
achieve higher measurement accuracy.
Typically no scaling is required
0.0
It can be used during commissioning to
achieve higher measurement accuracy.
Typically no angle compensation is required.
As well here required direction of P & Q
measurement is towards protected object (as
per IED internal default direction)
L1, L2, L3
All three phase-to-earth VT inputs are
available
0.00
Typically no additional filtering is required
1MRK 505 370-UEN D
SEMOD54481-12 v11
PhaseAngleRef using
On
Busbar protection REB670
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