GE T60 Instruction Manual page 324

5.5 FLEXLOGIC
Table 5–23: FLEXELEMENT BASE UNITS
POWER FACTOR
RTDs
SOURCE CURRENT
SOURCE ENERGY
(Positive and Negative Watthours,
Positive and Negative Varhours)
SOURCE POWER
SOURCE THD & HARMONICS
SOURCE VOLTAGE
SYNCHROCHECK
(Max Delta Volts)
VOLTS PER HERTZ
XFMR DIFFERENTIAL CURRENT
(Xfmr Iad, Ibd, and Icd Mag)
XFMR DIFFERENTIAL
HARMONIC CONTENT
(Xfmr Harm2 Iad, Ibd, and Icd Mag)
(Xfmr Harm5 Iad, Ibd, and Icd Mag)
XFMR RESTRAINING CURRENT
(Xfmr Iar, Ibr, and Icr Mag)
Z
BASE
5
The
FLEXELEMENT 1 HYSTERESIS
hysteresis loop as a percentage of the pickup value as shown in the FlexElement direction, pickup, and hysteresis diagram.
The
FLEXELEMENT 1 DT UNIT
FLEXELEMENT 1 COMP MODE
rate of change mode of operation. This setting is applicable only if
This
FLEXELEMENT 1 PKP DELAY
specifies the reset delay of the element.
5-178
PF = 1.00
BASE
BASE = 100°C
I = maximum nominal primary RMS value of the +IN and –IN inputs
BASE
E = 10000 MWh or MVAh, respectively
BASE
P = maximum value of V
BASE
BASE = 1%
V = maximum nominal primary RMS value of the +IN and –IN inputs
BASE
V = maximum primary RMS value of all the sources related to the +IN and –IN inputs
BASE
BASE = 1.00 pu
I = maximum primary RMS value of the +IN and -IN inputs
BASE
(CT primary for source currents, and transformer reference primary current for transformer
differential currents)
BASE = 10%
I = maximum primary RMS value of the +IN and -IN inputs
BASE
(CT primary for source currents, and transformer reference primary current for transformer
differential currents)
Z = PhaseVTSecondary / PhaseCTSecondary, where PhaseVTSecondary and
BASE
PhaseCTSecondary are the secondary nominal voltage and the secondary nominal current of the
distance source. In case multiple CT inputs are summed as one source current and mapped as
the distance source, use the PhaseCTSecondary value from the CT with the highest primary
nominal current.
Distance source is specified in setting under
.
GROUP 1(6) > DISTANCE
PhaseVTSecondary and PhaseCTSecondary are specified in setting under
SETUP > AC INPUTS .
setting defines the pickup–dropout relation of the element by specifying the width of the
setting specifies the time unit for the setting
is set to "Delta". The
FLEXELEMENT 1 DT
setting specifies the pickup delay of the element. The
T60 Transformer Protection System
× I for the +IN and –IN inputs
BASE BASE
SETTINGS > GROUPED ELEMENTS > SETTING
. This setting is applicable only if
FLEXELEMENT 1 dt
setting specifies duration of the time interval for the
FLEXELEMENT 1 COMP MODE
FLEXELEMENT 1 RST DELAY
5 SETTINGS
SETTINGS > SYSTEM
is set to "Delta".
setting
GE Multilin