GE D30 Instruction Manual page 272

5.5 FLEXLOGIC
5
The
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 5–17: FLEXELEMENT BASE UNITS
BREAKER ACC ARCING AMPS
(Brk X Acc Arc Amp A, B, and C)
BREAKER ARCING AMPS
(Brk X Arc Amp A, B, and C)
DCmA
DELTA TIME
FAULT LOCATION
FREQUENCY
PHASE ANGLE
5-136
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 5–50: FLEXELEMENT INPUT MODE SETTING
setting specifies the operating threshold for the effective operating signal of the element. If set
setting controls the element dropout. It should be noticed that both the operating signal
2
× cycle
BASE = 2000 kA
2
BASE = 1 kA × cycle
BASE = maximum value of the
under the +IN and –IN inputs.
BASE = 1 µs
BASE = Line Length as specified in Fault Report
f = 1 Hz
BASE
ϕ
= 360 degrees (see the UR angle referencing convention)
BASE
D30 Line Distance 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
DCMA INPUT MAX setting for the two transducers configured
5 SETTINGS
value. If set to "Under", the
setting is
FLEXELEMENT 1 PICKUP
GE Multilin