GE D90 Plus Instruction Manual page 373

CHAPTER 7: PROTECTION
PLUS
D90 LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
Long Name
Range: 20 alphanumeric characters
Default: Breaker 1
This setting is used to identify the primary device for control confirmations on the front
panel interface and in the event record.
Short Name
Range: up to 6 alphanumeric characters
Default: BKR1
This setting identifies the primary device pushbuttons and indications on the front panel
interface.
Substitution
Range: Enabled, Disabled
Default: Disabled
This setting allows the position indication of the breaker to be substituted with a
manually entered value.
Combined Protection and Control
Range: Enabled, Disabled
Default: Enabled
If this setting is enabled, the tripping signals from the trip output scheme are logically
ORed with the open signal from the breaker control scheme.
External Trip A, External Trip B, External Trip C
Range: any FlexLogic™ operand or shared operand
Default: Off
These settings assign an operand (usually an external contact input) to the breaker trip
pole A, B, and C reporting contact.
External Open Command
Range: any FlexLogic™ operand or shared operand
Default: Off
This setting assigns an operand that creates a programmable signal to operate an
output relay to open the breaker.
Block Open Command
Range: any FlexLogic™ operand or shared operand
Default: Off
This setting selects an operand that prevents opening of the breaker. This setting can be
used for select-before-operate functionality or to block operation from a panel switch or
from SCADA.
External Close Command
Range: any FlexLogic™ operand or shared operand
Default: Off
This setting assigns an operand that creates a programmable signal to operate an
output relay to close the breaker.
Autoreclose Close Supervision
Range: any FlexLogic™ operand or shared operand
Default: SYNC 1 SYNC OP
This setting selects an operand to supervise the closing of the breaker from autoreclose.
If no supervision is required, this setting should be programmed as "On".
CONTROL ELEMENTS
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