GE C70 Instruction Manual page 330

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 5-22: 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
5-164
Figure 5-83: 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
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
C70 CAPACITOR BANK PROTECTION AND CONTROL 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