Signal
S1DC_OP
All disconnectors on bus-section 1 are open.
S2DC_OP
All disconnectors on bus-section 2 are open.
VPS1_DC
The switch status of disconnectors on bus-section 1 is valid.
VPS2_DC
The switch status of disconnectors on bus-section 2 is valid.
EXDU_BB
No transmission error from any bay that contains the above information.
These signals from each line bay (ABC_LINE), each transformer bay (AB_TRAFO),
and each bus-coupler bay (ABC_BC) are needed:
Signal
189OPTR
189 is open.
289OPTR
289 is open (AB_TRAFO, ABC_LINE).
22089OTR
289 and 2089 are open (ABC_BC).
VP189TR
The switch status of 189 is valid.
VP289TR
The switch status of 289 is valid.
V22089TR
The switch status of 289 and 2089 are valid.
EXDU_BB
No transmission error from the bay that contains the above information.
If there is an additional bus-section disconnector, the signal from the bus-section
disconnector bay (A1A2_DC) must be used:
Signal
DCOPTR
The bus-section disconnector is open.
VPDCTR
The switch status of bus-section disconnector DC is valid.
EXDU_DC
No transmission error from the bay that contains the above information.
If there is an additional bus-section circuit breaker rather than an additional bus-section
disconnector the signals from the bus-section, circuit-breaker bay (A1A2_BS) rather
than the bus-section disconnector bay (A1A2_DC) must be used:
Signal
189OPTR
189 is open.
289OPTR
289 is open.
VP189TR
The switch status of 189 is valid.
VP289TR
The switch status of 289 is valid.
EXDU_BS
No transmission error from the bay BS (bus-section coupler bay) that contains the
above information.
Section 12
1MRK 505 370-UUS A
Control
382
Busbar protection REB670 2.2 ANSI
Application manual
Summary of Contents for RELION REB670
Page 1: ...RELION 670 SERIES Busbar protection REB670 Version 2 2 ANSI Application manual ...
Page 2: ......
Page 24: ...18 ...
Page 40: ...34 ...
Page 72: ...66 ...
Page 102: ...96 ...
Page 266: ...260 ...
Page 272: ...266 ...
Page 290: ...284 ...
Page 432: ...426 ...
Page 542: ...536 ...
Page 552: ...546 ...
Page 553: ...547 ...