ABB Relion 670 Series Applications Manual page 198

Section 7
Current protection
No. StartMode
25 FollowStart&M
ode
26 FollowStart&M
ode
27 FollowStart&M
ode
*) Set level depends on selected BuTripMode, that is, set level can be either IPh> or IN> or both.
7.7 Breaker failure protection, single phase version
CCSRBRF (50BF)
7.7.1 Function revision history
Document
revision
A
B
C
D
E
F
G
H
I
192
RetripMode t1 and t2 initiated
with
Off external START
and current above
set level
UseFunctionMo external START
de and current above
set level
Always external START
and current above
set level
Product History
revision
2.2.1 I>BlkCBPos setting functionality correction.
2.2.1 -
2.2.2 -
2.2.3 Setting StartMode is added to choose how retrip and backup trip timers can run. The choices
are; to run the timers by external start signal which is latched, to follow the external start
signal only or to follow the external start signal and the selected FunctionMode.
2.2.3 -
2.2.3 -
2.2.4 -
2.2.4 -
2.2.5 -
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When t1 has elapsed, When t2 or t2MPh
TRRET will has elapsed, TRBU
will be given if
never be given current is above set
level *) and higher
than I>BlkCBPos or
CBCLDLx input has
logical value one
when current is
smaller than
I>BlkCBPos
be given if current is current is above set
above set level of level *) and higher
IPh> and higher than than I>BlkCBPos or
I>BlkCBPos or CBCLDLx input has
CBCLDLx input has logical value one
logical value one when current is
when current is smaller than
smaller than I>BlkCBPos
I>BlkCBPos
be given if external current is above set
START is present level *) and higher
than I>BlkCBPos or
CBCLDLx input has
logical value one
when current is
smaller than
I>BlkCBPos
1MRK 505 370-UUS Rev. K
t1 and t2 and t2MPh
will be stopped
(reset) if
current is below set
level *) or external
START disappears
current is below set
level *) or external
START disappears
current is below set
level *) or external
START disappears
SEMOD127864-1 v2
GUID-324748A0-9D6C-4950-898E-88524827FF94 v2
Busbar protection REB670
Application manual