GE Multilin
G60 Generator Protection System
6-23
6 ACTUAL VALUES
6.3 METERING
6
6.3.8 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.
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.
FIELD CURRENT
I
BASE
= maximum value setting defined for the specific transducer input configured
FIELD GROUND CURRENT
I
BASE
= 5 mA
FIELD GROUND FAULT
LOCATION
BASE = 100%
FIELD GROUND INJECTED
VOLTAGE
V
BASE
= 15 V
FIELD GROUND RESISTANCE
R
BASE
= 250 K
Ω
FIELD VOLTAGE
V
BASE
= 500 V
FREQUENCY
f
BASE
= 1 Hz
FREQUENCY RATE OF CHANGE
df/dt
BASE
= 1 Hz/s
PHASE ANGLE
ϕ
BASE
= 360 degrees (see the UR angle referencing convention)
POWER FACTOR
PF
BASE
= 1.00
RTDs
BASE = 100°C
SENSITIVE DIR POWER
(Sns Dir Power)
P
BASE
= maximum value of 3
×
V
BASE
×
I
BASE
for the +IN and –IN inputs of the sources
configured for the sensitive power directional element(s).
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 VOLTAGE
V
BASE
= maximum nominal primary RMS value of the +IN and –IN inputs
STATOR DIFFERENTIAL
CURRENT
(Stator Diff Iar, Ibr, and Icr)
I
BASE
= maximum primary RMS value of the +IN and –IN inputs
(CT primary for source currents, and bus reference primary current for bus differential currents)
STATOR GROUND 3RD
HARMONIC VOLTAGES
(Stator Gnd Vn/V0 3rd)
V
BASE
= Primary auxiliary voltage of the
STATOR GROUND SOURCE
STATOR GROUND RESISTANCE
R
BASE
= 10 K
Ω
STATOR GROUND SUB-
HARMONIC VOLTAGE
V
BASE
= nominal secondary voltage of auxiliary VT for the stator ground source
STATOR GROUND SUB-
HARMONIC CURRENT
I
BASE
= ground CT primary current of stator ground source
STATOR RESTRAINING
CURRENT
(Stator Diff Iad, Ibd, and Icd)
I
BASE
= maximum primary RMS value of the +IN and –IN inputs
(CT primary for source currents, and bus reference primary current for bus differential currents)
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
Содержание Multilin g60
Страница 10: ...x G60 Generator Protection System GE Multilin TABLE OF CONTENTS INDEX ...
Страница 32: ...1 22 G60 Generator Protection System GE Multilin 1 5 USING THE RELAY 1 GETTING STARTED 1 ...
Страница 130: ...3 68 G60 Generator Protection System GE Multilin 3 4 FIELD AND STATOR GROUND MODULES 3 HARDWARE 3 ...
Страница 160: ...4 30 G60 Generator Protection System GE Multilin 4 3 FACEPLATE INTERFACE 4 HUMAN INTERFACES 4 ...
Страница 486: ...5 326 G60 Generator Protection System GE Multilin 5 10 TESTING 5 SETTINGS 5 ...
Страница 518: ...6 32 G60 Generator Protection System GE Multilin 6 5 PRODUCT INFORMATION 6 ACTUAL VALUES 6 ...
Страница 532: ...7 14 G60 Generator Protection System GE Multilin 7 2 TARGETS 7 COMMANDS AND TARGETS 7 ...
Страница 538: ...8 6 G60 Generator Protection System GE Multilin 8 1 PHASE DISTANCE THROUGH POWER TRANSFORMERS 8 THEORY OF OPERATION 8 ...
Страница 748: ...D 10 G60 Generator Protection System GE Multilin D 1 IEC 60870 5 104 APPENDIX D D ...
Страница 760: ...E 12 G60 Generator Protection System GE Multilin E 2 DNP POINT LISTS APPENDIX E E ...