GE D90 Plus Instruction Manual page 414

Line distance protection system
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PROTECTION FLEXLOGIC™
404
BKR FAIL 1 RETRIPA...................................Asserted when breaker failure 1 re-trips on phase A (single-pole
BKR FAIL 1 RETRIPB...................................Asserted when breaker failure 1 re-trips on phase B (single-pole
BKR FAIL 1 RETRIPC...................................Asserted when breaker failure 1 re-trips on phase C (single-pole
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 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
Protection contact input operands
CONTACT IP 1 ON.......................................Asserted when the field contact connected to contact input 1 is
CONTACT IP 1 OFF .....................................Asserted when the field contact connected to contact input 1 is
CONTACT IP 1 TROUBLE OP...................Asserted when there is an internal or external problem with
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
Digital counter operands
COUNTER 1 EQL..........................................Asserted when the output of digital counter 1 is equal to the
COUNTER 1 HI .............................................Asserted when the output of digital counter 1 is greater than
COUNTER 1 LO ............................................Asserted when the output of digital counter 1 is less than the
COUNTER 2 to 8..........................................The operands listed above are also available for digital
Directional comparison unblocking scheme operands
DCUB OP ........................................................Asserted when the directional comparison unblocking scheme
schemes only).
schemes only).
schemes only).
breaker failure 2 element.
flashover 2 element.
closed.
opened.
contact input 1.
through 40.
comparison value.
the comparison value.
comparison value.
counters 2 through 8.
operates.
PLUS
D90
LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 7: PROTECTION

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