GE C30 Instruction Manual page 215

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 FlexEle-
ment™ can be programmed to work with all analog actual values measured by the relay. The
ting is entered in per-unit values using the following definitions of the base units:
Table 5–10: FLEXELEMENT™ BASE UNITS
DCmA
FREQUENCY
PHASE ANGLE
POWER FACTOR
RTDs
SOURCE CURRENT
SOURCE POWER
SOURCE VOLTAGE
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 5–30: 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.
f = 1 Hz
BASE
ϕ = 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
P = maximum value of V
BASE
V = maximum nominal primary RMS value of the +IN and –IN inputs
BASE
C30 Controller 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.
setting for the two transducers configured
DCMA INPUT MAX
× I
for the +IN and –IN inputs
BASE BASE
5.5 FLEXLOGIC™
value. If set to "Under", the
set-
FLEXELEMENT 1 PICKUP
5-89
5