13.1.4
Setting guidelines
SEMOD54481-165 v14
The available setting parameters of the measurement function , CMMXU,
VMMXU, CMSQI, VMSQI, VNMMXU are depending on the actual hardware
(TRM) and the logic configuration made in PCM600.
The parameters for the Measurement functions , CMMXU, VMMXU, CMSQI,
VMSQI, VNMMXU are set via the local HMI or PCM600.
GlobalBaseSel
: Selects the global base value group used by the function to define
IBase
,
UBase
and
SBase
as applicable.
Operation
:
Off
/
On
. Every function instance (, CMMXU, VMMXU, CMSQI,
VMSQI, VNMMXU) can be taken in operation (
On
) or out of operation (
Off
).
The following general settings can be set for the
Measurement function
().
PowAmpFact
: Amplitude factor to scale power calculations.
PowAngComp
: Angle compensation for phase shift between measured I & U.
Mode
: Selection of measured current and voltage. There are 9 different ways of
calculating monitored three-phase values depending on the available VT inputs
connected to the IED. See parameter group setting table.
k
: Low pass filter coefficient for power measurement, U and I.
UGenZeroDb
: Minimum level of voltage in % of UBase, used as indication of zero
voltage (zero point clamping). If measured value is below
UGenZeroDb
calculated
S, P, Q and PF will be zero.
IGenZeroDb
: Minimum level of current in % of
IBase
, used as indication of zero
current (zero point clamping). If measured value is below
IGenZeroDb
calculated
S, P, Q and PF will be zero.
UAmpCompY
: Amplitude compensation to calibrate voltage measurements at Y%
of Ur, where Y is equal to 5, 30 or 100.
IAmpCompY
: Amplitude compensation to calibrate current measurements at Y% of
Ir, where Y is equal to 5, 30 or 100.
IAngCompY
: Angle compensation to calibrate angle measurements at Y% of Ir,
where Y is equal to 5, 30 or 100.
The following general settings can be set for the
Phase current measurement
(CMMXU).
IAmpCompY
: Amplitude compensation to calibrate current measurements at Y% of
Ir, where Y is equal to 5, 30 or 100.
IAngCompY
: Angle compensation to calibrate angle measurements at Y% of Ir,
where Y is equal to 5, 30 or 100.
Section 13
1MRK 504 169-UEN A
Monitoring
270
Transformer protection RET650 2.2 IEC
Application manual
Summary of Contents for ret650
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