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3.8.3.2
Settings
Only values 1-3 of the parameter
GlobalBaseSel
should normally be
used. The values 1-3 refer to the global base value groups Phase Grp
1, Phase Grp 2 and Phase Grp 3 correspondingly (BASEPH1,
BASEPH2 and BASEPH3 in PCM600). The selection affects the
actual limit for frequency calculation set by
MinValFreqMeas
which
by default is 10% of the
Voltage base Val PP
in the selected group.
The values 4-6 refer to Residual Grp 1, Residual Grp 2 and Residual
Grp 3 (BASERES1, BASERES2 and BASERES3 in PCM600)
correspondingly and they are typically not to be used in this
connection.
Table 30:
SMAI_20_2 Non group settings (basic)
Name
Values (Range)
Unit
Step
Default
Description
GlobalBaseSel
1 - 6
-
1
1
Selection of one of the Global Base Value
groups
DFTReference
InternalDFTRef
DFTRefGrp1
DFTRefGrp2
DFTRefGrp3
DFTRefGrp4
DFTRefGrp5
DFTRefGrp6
DFTRefGrp7
DFTRefGrp8
DFTRefGrp9
DFTRefGrp10
DFTRefGrp11
DFTRefGrp12
External DFT ref
-
-
InternalDFTRef
DFT reference
ConnectionType
Ph-N
Ph-Ph
-
-
Ph-N
Input connection type
AnalogInputType
Voltage
Current
-
-
Voltage
Analog input signal type
Table 31:
SMAI_20_2 Non group settings (advanced)
Name
Values (Range)
Unit
Step
Default
Description
Negation
Off
NegateN
Negate3Ph
NeN
-
-
Off
Negation
MinValFreqMeas
5 - 200
%
1
10
Even if the
AnalogInputType
setting of a SMAI block is set to
Current
, the
MinValFreqMeas
setting is still visible. This means that
the minimum level for current amplitude is based on
Voltage base Val
PP
. For example, if
Voltage base Val PP
is 20000, the minimum
amplitude for current is 20000 * 10% = 2000. This has practical affect
1MRS757256 F
Section 3
Basic functions
PML630/Compact Load-Shedding Solution
61
Technical Manual
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