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STUDY ON SCADA AND FURTHER STUDIES IN
PREVENTING INTERFERENCES ON RTUSYSTEM
Andrew Setiawan
University of Indonesia
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ObjectivesThe objectives of this reorts !re !"o#$ others %
Work system introductory and system organization of PT. P!
PusatPengaturan "eban dan Transmisi #awa "a$i %P&"' and
Transmission.
earn t(e working system of S)A*A system+ es,ecia$$y -TUs
earn more t(oroug( about -TU+ inc$uding denitions+
work,rinci,$e+ ty,e of t(e -TU and many more.
earn t(e ,ossib$e interferences t(at can (a,,en in
-emoteTermina$ Unit
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*enitionS)A*A is an abbreviation of Su,ervisory )ontro$ and
*ata
Ac/uisition.
S)A*A com,onents covered 0aster Station+Te$ecommunication 0edia
and -emote Station1-emoteTermina$ Unit.
S)A*A functions can be c$assied as t(ree+ te$esigna$+te$econtro$
and te$emetering.
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S)A*A System in a !uts(e$$
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P! *oub$e "us "ar System
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0i)O0 )&23
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Interferences)PU interference
Power Su,,$y interference
In,ut1Out,ut 0odu$e Interference
Te$esigna$ interference
Te$emetering interference
-emote )ontro$ interference
0odem interference
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CPU I#terfere#ce Preve#tio#
Ste,s of ,reventing disru,tions if t(e )PU does not o,erate
norma$$y inc$ude4
5. T(e ,rogram re6$oading and data -TU
&. -e,$acing t(e )PU if re$oading is unsuccessfu$ and
7. *oing a back $oading of ,rograms and data
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Po&er S'() I#terfere#ce Preve#tio#
T(e ste,s of ,reventing damages in Power Su,,$y consist of 4
5. )(ecking t(e in,ut vo$tage of 38 vdc.
&. )(ecking t(e 0)" 38 vo$t turned on or o9.
7. )(ecking t(e Power Su,,$y 0odu$e out,ut %if it does notcom,$y
wit( t(e s,ecications dec$ared defective modu$e'.
3. -e,$acing t(e Power Su,,$y modu$e
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I#'t*O't't Mo+'(e I#terfere#ce Preve#tio#
Ste,s of ,reventing disru,tions if t(e In,ut1Out,ut 0odu$e
does not o,erate norma$$y inc$ude4
5. )(ecking for wiring system and nding t(e $ocation of
wiringinterference wit( t(e (e$, of ,ictures
&. )(ecking $imit switc( and c$eaning it
7. Performing t(e re,$acement of t(e digita$ in,ut
modu$edefective.
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Te(esi$#!( I#terfere#ce Preve#tio#
Ste,s of ,reventing disru,tions if Te$esigna$ does not o,erate
norma$$y inc$ude4
5. Pre,aring working too$s&. Wiring e:amination IT; 1 0*; 1
SI)
7. )(ecking t(e condition of t(e signa$ %on 1 o9 inva$id' at t(e
IT; 1 0*; 1 SI)
3. )(ecking t(e wiring of t(e $imit switc(+ termina$ in
0ars(a$$ing :amination of *igita$ In,ut 1 )ard A ?=1?@
2. )(ecking t(e in,ut vo$tage
@. ;i$$ing t(e og "ook 0aintenance 1 -e,air >/ui,ment
S)A*AT> !o.-#T* 1 ;0 1 ?363??@ %o,tiona$'
8. 0aking a statement after ,erformed maintenance e/ui,ment
readiness bycom,$eting ;orm Pre,ared Statement of O,erations !o.
-#T* 1 ;0 1 ?363??7 %o,tiona$ '
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Te(e"eteri#$ I#terfere#ce Preve#tio#
Ste,s of ,reventing disru,tions if Te$emetering does not o,erate
norma$$y inc$ude4
5. )(ecking t(e ratio )T and PT+ is t(e database range a$ready
satisfy t(e 0aster Station.
&. Wiring e:amination and )T and PT -atios
7. Perform $oca$ization for security at t(e termina$ measuring
transformer s(ort $ink o,en$ink )T and PT
3. )(ecking t(e wiring of t(e termina$ )T and PT to t(e
transducer is a$ready in $ine wit(t(e s,ecic system wiring for
in,ut connection
=. )(ecking su,,$y transducer
2. )(ecking wiring out,ut transducer to ana$og in,ut 1 card aa55
1 57
@. )(ecking t(e transducer in,ut range
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Re"ote Co#tro( I#terfere#ce Preve#tio#
Ste,s of ,reventing disru,tions if -emote )ontro$ does not
o,erate norma$$y inc$ude4
5. >:amination of *igita$ Out,ut 1 -e$ay )ard -?? and
aids&. )(ecking t(e ,ower su,,$y system
7. )(ecking function *igita$ Out,ut 1 )ard -??
3. )(ecking t(e function of au:i$iary re$ay
=. >:amination System Wiring and Sync(ronizing
2. )(ecking t(e wiring 1 modications te$econtro$ systems P0T+
P0S and Ta, )(angerTransformer
@. )(ecking function Switc( oca$+ -emote+ Su,ervisory
8. )(ecking function Sync(ronizing
. )(ecking t(e duration of working time remote contro$
5?. >:amination )ontro$ System P0T+ P0S and Ta, )(anger
Transformer
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Mo+e" I#terfere#ce Preve#tio#
If an interru,tion occurs 0odem can be ascertained t(at t(e
-TU cou$d not dia$ogue wit( t(e 0aster )om,uter. T(en,erformed
t(ese ste,s as fo$$ows4
5. oo,back modem from -TU to )om,uter 0aster.
&. If t(e $oo,back to a 0aster )om,uter error t(ere+ t(en do
back
$oo,back interna$ modem and if norma$+ an interru,tion can
besure t(e data $ink
7. Perform re,air s(ared data $ink oBcer to re,ort to t(e P) or
ift(e I)O! C ;iber O,tics network disru,tion.
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