Siemens Static Trip III User Manual

Metering
and
Extended
Protective
Relaying
Reverse
Power
-
Reverse
Power
is
a
protective
relaying
iunction
that
protects
against
an
excessive
reverse
power
condition.
Tripplng
o""rit
when
the
reverse
power exceeds
tf',u
p.gturred
ieverse
power
pickup
fo1
a-geriod
of
time
enr:al to the delav
time
setting.
The
pickup must
remain
active
f-o]lhe
entlre
delay
time
for
a
trip
to
occur'
lf
the
reverse
power
"".iHi".
trOilOes
in
tess
time
than
the
delay
time'
the
pickup
;ill
;;"i.;;ilve
ano
the
reverse
power
protective
relaving
function
will
be
reset.
when
a
tripping
occurs,
the
actual
"lndit,on
that
caused
the
trip
is
recorded
in the
trip
unit's
nonvolatile
triP
log.
Programmable
settings:
frip:
Yes,
No
or
Clr
eiJf.up,
tO to
zZOO
[ilowatts
(kW) in
increments
of
1 kW
D;iri,
1 to
15
seconds
in
increments
of
1
second
For
convenience,
the
pickup
value
is
entered
as
a
positive
,rir",
pi"rrp
occurs
ii
the
measured
power
is
negative
and
in!
#toiuiu'ralue
of
the
measured
power
is
greater
than
the
pickup setting.
Data
recorded
in
the
event
log:
"-pl"[rp
A"t'""
Time
at
i'f
i"f'
pi"k'p.went
active
and
measured
Power
at
PickuP'
Pickup
lnactive:
Time
at
which
pickup
went
inactive'
Trip
Log
-
The
last
3
tripping
9v9lts
are
recorded
in
the
trip
,nlis-n#roratile
trip
log,
tnctioed
in
the
recording
are
the
time
of
the
trip
lyear
morittr
day,
hour,
mhute
second'
and
r-rrnOi"Jtfi.
of
seconds),
the
condition
of
the
circuit
breaker
i";";.
;H";
oituitrt"j
allthe
basic
ard
extended
pickups
which
were
active
at
tneiime
o{
the
trip
the
condition
of
the
trip
,rii;.
p.t""tlon
microprocessor
(Piss/Faill,
and
the
actual
;;;i;"ir;i;"iion
tortil,
"xtended,
or
shadow)
which
caused
iho trin A
"failure"
"onOiiion
is
recorded
if the
circuit
breaker
l".iii5"'i" .Jt t"n.Lo
to
qo
open
within
a
set
time
limit
after
a
[e
;#;;;lt
itir"J
i.
uooition
the
relevant
measured
pJrrr"t"tt
,ithe
time
of
the
trip
are
also
stored
in the
trip
log'
The
measured
currents
at
time
of
trip
are
calculated
over
approximately
on"
"y"i"
at
the
time
a trip
command
is
actually
iliiLt"o.
fr.r"
magnitude
oithe
measured
currentwill
be
limited
Ly*iriutlon
of
tire
current
sensors
above
about
fifteen
times
,it"J
pi-rrv
current,
Out
should
still
provide
an
indication
of
which
phases
*"r"
,nuliutd
even
for
a
maior
short
circuit
All
of the trio loo
information
may
Oe
reaO
by
a
master
device'
such
;!'
;
p;;;;
Hrtonitor"
panel
uia
the
RS-485.
bus
The
most
L""nt
tiip
event
data,
without
the
time-stamp
information
may
U"
i"ua
io"ully
with
the
Breaker
Display
Unit
(see Breaker
D;.p;ry
ul.,]t
Je"iionl.
Note
that
time
stamped
information
requires
a
master
device
to
periodically
synchronize
all
device
"f
,r-"[t
on
the
RS-485
network
While
iime-stamp
information
i;&;G
stored
in
the
trip
log,
it
should
o,nly
be
relied.on
when
a
master
is
used
to
contiiuously
monitor
the
network'
Alarm
Functions
?h;;';t;;loJs
oitterent
alarm
functions
available
with
atrip
,.t,
iJpl"iing
,pon
the
model
type
The
basic
communicat-
,g'iilpGiil
sLiii
rtip
ittc.
ptoui'o"s
2
.or
3 alarm
f unctions
depending
on
presence
of
the
ground
fault
protective
func-
tio,l
Le
YP"
o'ption
pr.o,iO"t
1l
additional
alarm
functions
and
the
"N"
option
ptoulO"t
1
more
Each
alarm
function
is
I.Jt'pi"giu.lruor"
toi
mooe
ot
operatLon'
alarm
threshold
value,
and
delaY
time.
There
are
two
user-selectable
operating
modes
associated
*iii
"*h
aiaim
function
The
first
sets
the
alarm
function
on
"i'"tf.l"
il.l"
"ff
mode,
alarm
threshold
and
time
delay
values
Ir"
O"
t"i
trt
no
action
will
be
taken'
This
effectively
disables
;#
;,;,6;r;"
"rut,
function
ln
the
on
mode'
the
alarm
i;;"ffi
is
enabted
unJ
uiut*
activity
associated
with
the
r"tp!"it"
atar.m
trn"tion-*itt
o"
recorded
in,the
trip
unit's
event
log.
Both
alarm
,Ltiu'tion
and
deactivation
are
stored
i.
ir',"
Li".t
log.
An
alarm
becomes
active
when
the
pro-
;;;;;J;ir,nitr,,"tr,Jo
value
has
been
exceeded
for
the
X":",it;;;.I;" il;;,
when
an
alarm
goes active'
the
time'
uiu"r*
i*"tion
and
associated
measured
parameters
are
il,ili""
l"t"
in"
trip
unit'iLvLnt
log'
An
alarm
becomes
inactive
*H""
il-t"
measlreO
parametei
no
longer
meets
the
pro-
;;#;;;
,iui,
t-ntL.noto
vatue
when
an-alarm
soes
inactive'
the
time
and
assoclateO
'f
ui'
function
are
written
into
the
trip
unit's
event
log.
The
second
user-selectable
operating
mode
sets
relay
output
;;;t,,;i;;;
oi
no.
seL"iiing
ves
will
close
the
relav
output
contacts
when
the
r.t*i't"i
utarm
function
becomes
actlve
il;
;i;;
function
that
causes
the
relay
output
contacts
to
"io-.Jwri
o"loentif
ied
as
piriot
its
event
log
message,
and
will
also
be
recorded
in
il-,6'1iip
unit's
alarm
log
along
wlth
the
lt*"rt"o
,easured
pltutii"i"tt
The
alarm
log
is
a subset
of
th;;;";i
ts
speciticitv
tor
the
purpose
of
allowing
the
BDU
;";;;;y
6
dlsptav
wiat
alarm
function
caused
the
most
recent
relay
output
contact
closure
The
relay
output
contacts
will
open
when
the
measuteO
parameter
no
longer
rneets
the
".""ir*.n"a
utarm
tt,i"ir,old
value.
lf
multiple
alarm
func-
il;:
il;
;;;"ii;
"onir.or
relav
output'
the
contacts
will
nnenwhenallfunctionssetforrelaycontrolnolongermeet
;#"i'
od;;;;i;;;
thiesholds
rhe
alarm
runction
which
iffit
Srroir"
the
relay
ouip't
contacts
to
open
will
also
be
i;;;ffi;J;;
prtt ot
rti
event
los
message
operation.
of
il
"
t"iuy
output
conta"1,
"'n
als5
oe
done
remotely
using
Filarameter"
Stored
in
TriP
Log
la,
lb,
lc,
and
if
option
Present
-
ln'
lg
ta,
lO,
tc, and
if oPtion
Present
-
ln'
lg
ta,
f O,
tc,
lg,
and
if
option
present
-
In
la. lb,
lc, and
if option
present
-
In'
lg
Vab,
Vbc,
Vca'
and
V)tx
Vab,
Vbc,
Vca,
and
V*)K
Vab,
Vbc,
Vca,
and
V)K;k
Over
Voltage
Under
Voltage
Voltage
Unbalance
Hz.Vab,
Vbc,
Vca,
and
Vxx
Hz,
Vab,
Vbc,
Vca,
and
V*x
kW,
KQ,
and
kVA
la,
lb,
lc,
and
if oPtion
Present
-
ln'
lg
24

Siemens Static Trip III Specifications

General

Brand	Siemens
Model	Static Trip III
Category	Circuit breakers
Language	English