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Table 17:
General settings parameters for the Measurement function
Setting
Short Description
Selected
value
Comments
Operation
Operation
Disabled/Enabled
Enabled
Function must be
Enabled
PowMagFact
Magnitude factor to scale power
calculations
1.000
It can be used during commissioning to
achieve higher measurement
accuracy. Typically no scaling is
required
PowAngComp
Angle compensation for phase
shift between measured I & V
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)
Mode
Selection of measured current
and voltage
A, B, C
All three phase-to-ground VT inputs
are available
k
Low pass filter coefficient for
power measurement, V and I
0.00
Typically no additional filtering is
required
Table 18:
Settings parameters for level supervision
Setting
Short Description
Selected
value
Comments
PMin
Minimum value
-100
Minimum expected load
PMax
Minimum value
100
Maximum expected load
PZeroDb
Zero point clamping in 0.001% of
range
3000
Set zero point clamping to 45 MW that
is, 3% of 200 MW
PRepTyp
Reporting type
db
Select magnitude deadband
supervision
PDbRepInt
Cycl: Report interval (s), Db: In %
of range, Int Db: In %s
2
Set ±Δdb=30 MW that is, 2% (larger
changes than 30 MW will be reported)
PHiHiLim
High High limit (physical value)
60
High alarm limit that is, extreme
overload alarm
PHiLim
High limit (physical value)
50
High warning limit that is, overload
warning
PLowLim
Low limit (physical value)
-50
Low warning limit. Not active
PLowLowlLim
Low Low limit (physical value)
-60
Low alarm limit. Not active
PLimHyst
Hysteresis value in % of range
(common for all limits)
2
Set ±Δ Hysteresis MW that is, 2%
Section 12
1MRK 511 286-UUS A
Monitoring
292
Application manual
Summary of Contents for REC650 ANSI
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Page 71: ...IED IED ANSI05000460 V2 EN 1MRK 511 286 UUS A Section 4 Analog inputs 65 Application manual...
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