GE G60 Instruction Manual page 367

CHAPTER 5: SETTINGS
— This setting specifies the operating threshold for the effective operating signal of the element. If
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
— This setting controls the element dropout. Notice that both the operating signal and 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
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
G60 GENERATOR PROTECTION SYSTEM – INSTRUCTION MANUAL
Figure 5-96: FlexElement input mode setting
FLEXELEMENT 1 PICKUP
Description
2
× cycle
BASE = 2000 kA
2
× cycle
BASE = 1 kA
BASE = maximum value of the DCMA INPUT MAX setting for the two transducers configured
under the +IN and –IN inputs
BASE = 1 µs
value. If set to "Under," the
FLEXELEMENT 1 PICKUP
value.
setting is entered in
FLEXELEMENT 1 PICKUP
FLEXLOGIC
5
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