ABB Relion 670 Series Applications Manual page 194

Section 8
Current protection
No. StartMode
21 LatchedStart
22 FollowStart
23 FollowStart
24 FollowStart
25 FollowStart&
Mode
Table continues on next page
188
RetripMode t1 and t2 initiated
with
Always external START
Off external START
UseFunctionM external START
ode
Always external START
Off external START
and current above
set level
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When t1 has elapsed, When t2 or t2MPh
TRRET will has elapsed, TRBU
will be given if
always 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
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 current is above set
is above set level of level *) and higher
IPh> and higher than I>BlkCBPos or
than 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
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
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t1 and t2 and t2MPh
will be stopped
(reset) if
t1 and (t2 or
t2MPh) and 150ms
expires and
current is below
set level *) or
CBCLDLx input has
logical value zero
external START
disappears
external START
disappears
external START
disappears
current is below
set level *) or
external START
disappears
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