ABB Relion 670 Series Applications Manual page 385

1MRK 505 370-UUS Rev. K
800/5 A
380kV 120V
/
3
ANSI09000039 V1 EN-US
Figure 199: Single line diagram for 380kV OHL application
In order to monitor, supervise and calibrate the active and reactive power as indicated in figure
necessary to do the following:
1. Set correctly CT and VT data and phase angle reference channel PhaseAngleRef using 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:
Setting
Operation
PowAmpFact
PowAngComp
Mode
k
VGenZeroDb
IGenZeroDb
Table continues on next page
Busbar protection REB670
Application manual
380kV Busbar
kV
3
P Q
380kV OHL
general settings as shown in table 49.
level supervision of active power as shown in table 50.
calibration parameters as shown in table 51.
General settings parameters for the Measurement function
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, V and I
Zero point clamping in % of
Ubase
Zero point clamping in % of
Ibase
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IED
ANSI09000039-1-en.vsd
Selected Comments
value
On Function must be On
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-ground VT inputs are available
0.00 Typically no additional filtering is required
25 Set minimum voltage level to 25%. Voltage below
25% will force S, P and Q to zero.
3 Set minimum current level to 3%. Current below 3%
will force S, P and Q to zero.
Section 14
Monitoring
199 it is
379