Flexelement Input Mode Setting; Flexelement Base Units - GE T60 Instruction Manual

5 SETTINGS
The setting specifies the operating threshold for the effective operating signal of the element. If set
FLEXELEMENT 1 PICKUP
to "Over", the element picks up when the operating signal exceeds the
element picks up when the operating signal falls below the
The
FLEXELEMENT 1 HYSTERESIS
and the pickup threshold can be negative facilitating applications such as reverse power alarm protection. The FlexElement
can be programmed to work with all analog actual values measured by the relay. The
entered in per-unit values using the following definitions of the base units:
Table 5–22: FLEXELEMENT BASE UNITS
dcmA
DELTA TIME
FREQUENCY
FREQUENCY RATE OF CHANGE
PHASE ANGLE
POWER FACTOR
RTDs
SOURCE CURRENT
GE Multilin
FLEXELEMENT
DIRECTION = Over;
FLEXELEMENT INPUT
MODE = Signed;
FLEXELEMENT
DIRECTION = Over;
FLEXELEMENT INPUT
MODE = Absolute;
FLEXELEMENT
DIRECTION = Under;
FLEXELEMENT INPUT
MODE = Signed;
FLEXELEMENT
DIRECTION = Under;
FLEXELEMENT INPUT
MODE = Absolute;
Figure 5–68: FLEXELEMENT INPUT MODE SETTING
FLEXELEMENT 1 PICKUP
setting controls the element dropout. It should be noticed that both the operating signal
BASE = maximum value of the
under the +IN and –IN inputs.
BASE = 1 µs
f = 1 Hz
BASE
df/dt = 1 Hz/s
BASE

= 360 degrees (see the UR angle referencing convention)
BASE
PF = 1.00
BASE
BASE = 100°C
I = maximum nominal primary RMS value of the +IN and –IN inputs
BASE
T60 Transformer Protection System
FLEXELEMENT 1 PKP
FlexElement 1 OpSig
FLEXELEMENT 1 PKP
FlexElement 1 OpSig
FLEXELEMENT 1 PKP
FlexElement 1 OpSig
FLEXELEMENT 1 PKP
FlexElement 1 OpSig
842706A2.CDR
FLEXELEMENT 1 PICKUP
value.
FLEXELEMENT 1 PICKUP
setting for the two transducers configured
DCMA INPUT MAX
5.5 FLEXLOGIC
value. If set to "Under", the
setting is
5-177
5