6-22 T60 Transformer Protection System GE Multilin
6.3 METERING 6 ACTUAL VALUES
6
6.3.6 FLEXELEMENTS™
PATH: ACTUAL VALUES METERING FLEXELEMENTS FLEXELEMENT 1(16)
The operating signals for the FlexElements™ are displayed in pu values using the following definitions of the base units.
6.3.7 IEC 61580 GOOSE ANALOG VALUES
PATH: ACTUAL VALUES METERING IEC 61850 GOOSE ANALOGS
FLEXELEMENT 1
FLEXELEMENT 1
OpSig: 0.000 pu
Table 6–2: FLEXELEMENT™ BASE UNITS
DCmA BASE = maximum value of the DCMA INPUT MAX setting for the two transducers configured
under the +IN and –IN inputs.
FREQUENCY f
BASE
= 1 Hz
PHASE ANGLE ϕ
BASE
= 360 degrees (see the UR angle referencing convention)
POWER FACTOR PF
BASE
= 1.00
RTDs BASE = 100°C
SOURCE CURRENT I
BASE
= maximum nominal primary RMS value of the +IN and –IN inputs
SOURCE ENERGY
(Positive and Negative Watthours,
Positive and Negative Varhours)
E
BASE
= 10000 MWh or MVAh, respectively
SOURCE POWER P
BASE
= maximum value of V
BASE
× I
BASE
for the +IN and –IN inputs
SOURCE THD & HARMONICS BASE = 1%
SOURCE VOLTAGE V
BASE
= maximum nominal primary RMS value of the +IN and –IN inputs
SYNCHROCHECK
(Max Delta Volts)
V
BASE
= maximum primary RMS value of all the sources related to the +IN and –IN inputs
VOLTS PER HERTZ BASE = 1.00 pu
XFMR DIFFERENTIAL CURRENT
(Xfmr Iad, Ibd, and Icd Mag)
I
BASE
= maximum primary RMS value of the +IN and -IN inputs
(CT primary for source currents, and transformer reference primary current for transformer
differential currents)
XFMR DIFFERENTIAL
HARMONIC CONTENT
(Xfmr Harm2 Iad, Ibd, and Icd Mag)
(Xfmr Harm5 Iad, Ibd, and Icd Mag)
BASE = 100%
XFMR RESTRAINING CURRENT
(Xfmr Iar, Ibr, and Icr Mag)
I
BASE
= maximum primary RMS value of the +IN and -IN inputs
(CT primary for source currents, and transformer reference primary current for transformer
differential currents)
IEC 61850
GOOSE ANALOGS
ANALOG INPUT 1
0.000
MESSAGE
ANALOG INPUT 2
0.000
MESSAGE
ANALOG INPUT 3
0.000
↓
MESSAGE
ANALOG INPUT 32
0.000
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