GE N60 Instruction Manual page 346

Network stability and synchrophasor measurement system
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FLEXLOGIC
5
FLEXELEMENT 1 PICKUP
set to "Over," the element picks up when the operating signal exceeds the
element picks up when the operating signal falls below the
FLEXELEMENT 1 HYSTERESIS
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
per-unit values using the following definitions of the base units.
Table 5-27: FlexElement base units
Unit
DCmA
DELTA TIME
FREQUENCY
FREQUENCY RATE OF CHANGE
PHASE ANGLE
POWER FACTOR
5-186
Figure 5-97: FlexElement input mode setting
— This setting specifies the operating threshold for the effective operating signal of the element. If
— This setting controls the element dropout. Notice that both the operating signal and the
Description
BASE = maximum value of the DCMA INPUT MAX setting for the two transducers configured
under the +IN and –IN inputs
BASE = 1 µs
f
= 1 Hz
BASE
df/dt
= 1 Hz/s
BASE
ϕ
= 360 degrees (see the UR angle referencing convention)
BASE
PF
= 1.00
BASE
N60 NETWORK STABILITY AND SYNCHROPHASOR MEASUREMENT SYSTEM – INSTRUCTION MANUAL
FLEXELEMENT 1 PICKUP
value.
FLEXELEMENT 1 PICKUP
FLEXELEMENT 1 PICKUP
CHAPTER 5: SETTINGS
value. If set to "Under," the
setting is entered in

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