GlobalBaseSel
: Selects the global base value group used by the function to define (
IBase
),
(
VBase
) and (
SBase
).
SummationType
: Summation type (
Group 1 + Group 2
,
Group 1 - Group 2
,
Group 2 -
Group 1
or
–(Group 1 + Group 2)
).
DFTReference
: The reference DFT block (
InternalDFT Ref
,
DFTRefGrp1
or
External
DFT ref
) .
FreqMeasMinVal
: The minimum value of the voltage for which the frequency is
calculated, expressed as percent of
VBase
(for each instance x).
15.11
Global base values GBASVAL
15.11.1
Identification
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Global base values
GBASVAL
-
-
15.11.2
Application
Global base values function (GBASVAL) is used to provide global values, common for
all applicable functions within the IED. One set of global values consists of values for
current, voltage and apparent power and it is possible to have six different sets.
This is an advantage since all applicable functions in the IED use a single source of base
values. This facilitates consistency throughout the IED and also facilitates a single point
for updating values when necessary.
Each applicable function in the IED has a parameter,
GlobalBaseSel
, defining one out of
the six sets of GBASVAL functions.
15.11.3
Setting guidelines
VBase
: Phase-to-phase voltage value to be used as a base value for applicable functions
throughout the IED.
IBase
: Phase current value to be used as a base value for applicable functions throughout
the IED.
1MRK 511 286-UUS A
Section 15
Basic IED functions
339
Application manual
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