CHAPTER 7: PROTECTION PROTECTION FLEXLOGIC
D90
PLUS
LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL 417
BKR FAIL 1 RETRIPA...................................
Asserted when breaker failure 1 re-trips on phase A (single-pole
schemes only).
BKR FAIL 1 RETRIPB...................................
Asserted when breaker failure 1 re-trips on phase B (single-pole
schemes only).
BKR FAIL 1 RETRIPC...................................
Asserted when breaker failure 1 re-trips on phase C (single-pole
schemes only).
BKR FAIL 1 T1 OP........................................
Asserted when the breaker failure 1 timer 1 operates.
BKR FAIL 1 T2 OP........................................
Asserted when the breaker failure 1 timer 2 operates.
BKR FAIL 1 T3 OP........................................
Asserted when the breaker failure 1 timer 3 operates.
BKR FAIL 1 TRIP OP....................................
Asserted when breaker failure 1 trip has operated.
BKR FAIL 2......................................................
The same set of operands listed above are available for the
breaker failure 2 element.
Breaker flashover operands
BKR 1 FLSHOVR DPO ................................
Asserted when breaker 1 flashover drops out.
BKR 1 FLSHOVR DPO A............................
Asserted when breaker 1 flashover drops out for phase A.
BKR 1 FLSHOVR DPO B............................
Asserted when breaker 1 flashover drops out for phase B.
BKR 1 FLSHOVR DPO C............................
Asserted when breaker 1 flashover drops out for phase C.
BKR 1 FLSHOVR OP ...................................
Asserted when breaker 1 flashover operates.
BKR 1 FLSHOVR OP A ...............................
Asserted when breaker 1 flashover operates for phase A.
BKR 1 FLSHOVR OP B ...............................
Asserted when breaker 1 flashover operates for phase B.
BKR 1 FLSHOVR OP C ...............................
Asserted when breaker 1 flashover operates for phase C.
BKR 1 FLSHOVR PKP .................................
Asserted when breaker 1 flashover picks up.
BKR 1 FLSHOVR PKP A .............................
Asserted when breaker 1 flashover picks up for phase A.
BKR 1 FLSHOVR PKP B .............................
Asserted when breaker 1 flashover picks up for phase B.
BKR 1 FLSHOVR PKP C .............................
Asserted when breaker 1 flashover picks up for phase C.
BKR 2 FLSHOVR...........................................
The operands listed above are available for the breaker
flashover 2 element.
Protection contact input operands
CONTACT IP 1 ON .......................................
Asserted when the field contact connected to contact input 1 is
closed.
CONTACT IP 1 OFF......................................
Asserted when the field contact connected to contact input 1 is
opened.
CONTACT IP 1 TROUBLE OP ...................
Asserted when there is an internal or external problem with
contact input 1.
CONTACT IP 1 TROUBLE DPO................
Asserted when there are no problems with contact input 1.
CONTACT IP 2 to 40...................................
The operands listed above are available for the contact inputs 2
through 40.
Digital counter operands
COUNTER 1 EQL..........................................
Asserted when the output of digital counter 1 is equal to the
comparison value.
COUNTER 1 HI..............................................
Asserted when the output of digital counter 1 is greater than
the comparison value.
COUNTER 1 LO.............................................
Asserted when the output of digital counter 1 is less than the
comparison value.
COUNTER 2 to 8..........................................
The operands listed above are also available for digital
counters 2 through 8.
Directional comparison unblocking scheme operands
DCUB OP ........................................................
Asserted when the directional comparison unblocking scheme
operates.