Table 38: General settings parameters for the Measurement function
Setting Short Description Selected
value
Comments
Operation Operation Off/On On Function must be
On
k Low pass filter coefficient for
power measurement, U and I
0.00 Typically no additional filtering is
required
UGenZeroDb Zero point clamping in % of
Ubase
25 Set minimum voltage level to
25%. Voltage below 25% will
force S, P and Q to zero.
IGenZeroDb Zero point clamping in % of
Ibase
3 Set minimum current level to 3%.
Current below 3% will force S, P
and Q to zero.
UBase (set in
Global base)
Base setting for voltage level in
kV
110.00 Set rated OHL phase-to-phase
voltage
IBase (set in
Global base)
Base setting for current level in
A
600 Set rated primary CT current
used for OHL
SBase (set in
Global base)
Base setting for power level in
MVA
66 Set rated apparent two-phase
power which correspond to
110kV and 600A
Table 39: Settings parameters for level supervision
Setting Short Description Selected
value
Comments
PMin
Minimum value -100 Minimum expected load
PMax
Maximum value 100 Maximum expected load
PZeroDb
Zero point clamping in 0.001% of
range
1000 Set zero point clamping to 0,66
MW that is, 1% of 66 MW
PRepTyp
Reporting type db Select amplitude deadband
supervision
PDbRepInt
Cycl: Report interval (s), Db: In
% of range, Int Db: In %s
5 Set ±Δdb=1,3 MW that is, 2%
(larger changes than 1,3 MW will
be reported)
PHiHiLim
High High limit (physical value) 120 High alarm limit that is, extreme
overload alarm
PHiLim
High limit (physical value) 100 High warning limit that is,
overload warning
PLowLim
Low limit (physical value) -100 Low warning limit. Not active
PLowLowlLim
Low Low limit (physical value) -120 Low alarm limit. Not active
PLimHyst
Hysteresis value in % of range
(common for all limits)
2 Set ±Δ Hysteresis MW that is,
2%
Measurement function application for a power transformer
SEMOD54481-61 v9
Single line diagram for this application is given in Figure
161.
Section 15 1MRK 506 375-UEN A
Monitoring
386 Railway application RER670 2.2 IEC
Application manual
To Next Page
Loading...
