GE D90 Plus Instruction Manual page 426

PROTECTION FLEXLOGIC
416
Auxiliary undervoltage operands
AUX UV1 DPO ..............................................Asserted when the auxiliary undervoltage element drops out.
AUX UV1 OP..................................................Asserted when the auxiliary undervoltage element operates.
AUX UV1 PKP................................................Asserted when the auxiliary undervoltage element picks up.
Breaker configuration operands
BKR1 ANY POLE OPEN.............................Asserted when at least one pole of breaker 1 is open.
BKR1 BAD STATE.........................................Asserted when the normally open and normally closed breaker
BKR1 CLOSE CMD ......................................Asserted when close command is executed on breaker 1.
BKR1 CLOSED ..............................................Asserted when breaker 1 is closed.
BKR1 DISCREPANCY..................................Asserted when the three poles of the breaker disagree (that is,
BKR1 INTERMED .........................................Asserted when the breaker is in transition between the opened
BKR1 ONE POLE OPEN.............................Asserted when only one pole of breaker 1 is open.
BKR1 OPEN CMD........................................Asserted when an open command has been executed on
BKR1 OPENED..............................................Asserted when breaker 1 is opened.
BKR1 SUBST CLOSED................................Asserted when the status of breaker 1 has been substituted
BKR1 SUBST ON..........................................Asserted when breaker status substitution is enabled.
BKR1 SUBST OPENED...............................Asserted when the status of the breaker has been substituted
BKR1 TRIP CMD A.......................................Asserted when a close command is executed on pole A of
BKR1 TRIP CMD B.......................................Asserted when a close command is executed on pole B of
BKR1 TRIP CMD C.......................................Asserted when a close command is executed on pole C of
BKR1A BAD STATE......................................Asserted when the normally open and normally closed breaker
BKR1A CLOSED ...........................................Asserted when breaker 1 pole A is closed.
BKR1A INTERMED ......................................Asserted when breaker 1 pole A is in transition between the
BKR1A OPENED...........................................Asserted when breaker 1 pole A is opened.
BKR1B BAD STATE......................................Asserted when the normally open and normally closed breaker
BKR1B CLOSED ...........................................Asserted when breaker 1 pole B is closed.
BKR1B INTERMED ......................................Asserted when breaker 1 pole B is in transition between the
BKR1B OPENED...........................................Asserted when breaker 1 pole B is opened.
BKR1C BAD STATE......................................Asserted when the normally open and normally closed breaker
BKR1C CLOSED ...........................................Asserted when breaker 1 pole C is closed.
BKR1C INTERMED ......................................Asserted when breaker 1 pole C is in transition between the
BKR1C OPENED...........................................Asserted when breaker 1 pole C is opened.
BKR2 ................................................................The operands listed above are also available for breaker 2.
Breaker failure operands
BKR FAIL 1 RETRIP......................................Asserted upon a breaker failure 1 three-pole trip.
indications disagree.
when they are not all opened or all closed).
and closed states.
breaker 1.
with a closed indication.
with an opened indication.
breaker 1.
breaker 1.
breaker 1.
indications disagree for pole A of breaker 1.
opened and closed states.
indications disagree for pole B of breaker 1.
opened and closed states.
indications disagree for pole C of breaker 1.
opened and closed states.
PLUS
D90 LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 7: PROTECTION