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Transcript of E2001ff
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7/23/2019 E2001ff
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SULIT E2001
Arahan: Sila jawab EMPAT (4) soalan daripadaENAM (6) soalan.
Instruction: Answer FOUR (4) questions fromSIX (6) questions.
SOALAN 1
a. !ata"an EMPAT(4)"ebai"an sistem ti#a fasa berbandin# sistem 1 fasa.
$% mar"a&'
b. Ti#a beban !an# seimban# den#an rintan#an 20dan aru&an 10m( ba#i ba#i
setiap fasa disambun# "e be"alan s!stem ) fasa *1+,- +0(. /i"a beban tersebutdisambun# seara bintan#- "ira"an nilai:
i. arus fasa
ii. arus talianiii. "uasa sebenar
i. "uasa "etara. "uasa rea"tif
$ mar"a&'
. /i"a beban3beban tersebut disambun# seara delta pula- "ira"an nilai:
i. arus fasa
ii. arus talianiii. "uasa sebenar
i. "uasa "etara. "uasa rea"tif
$% mar"a&'
2
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SULIT E2001
UESTION 1
a. State FOUR(4)adanta#es of t&ree p&ase s!stem ompared to sin#le p&ases!stem.
$% mar"s'
b. T&ree impedane wit& 20resistane and 10m( indutane onneted to t&ree
p&ase s!stem *1+,- +0(. If t&e impedane are onneted in star onnetion-
alulate :
i. p&ase urrent
ii. line urrent
iii. real power i. apparent power
. reatie power
$ mar"s'
. If t&ese impedane are in delta onnetion- alulate :
i. p&ase urrent
ii. line urrent
iii. real power i. apparent power
. reatie power
$% mar"s'
)
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SULIT E2001
SOALAN !
a. i.. 4eri"an definasi ba#i "orona.
$2 mar"a&'
ii. !ata"an "UA(!) "esan sampin#an a"ibat "orona !an# wujud pada talianpen#&antaran dan "UA(!)ara men#atasi "esan "orona tersebut.
$* mar"a&'
b. Teran#"an "onsep "earu&an !an# berla"u dalam talian pen#&antaran apabila dua
pen#alir teraru& beserta #ambaraja&.
$+ mar"a&'
. i. 4eri"an TI#A($)jenis ujian !an# dijalan"an "e atas penebat talian atas.
$) mar"a&'
ii. Teran#"an seara rin#"as sala& satu ujian !an# tela& diberi"an pada soalan
23i di atas5
$2 mar"a&'
d. Sebua& talian pen#&antaran satu fasa ber"eupa!aan "uasa 1200"6 "e "ilan#
den#an oltan 11", pada fator "uasa 0.% men#e"or. Talian ini mempu!ai jumla&
rintan#an *dan #e#elun# "earu&an ). 7ira"an :
i. ilai oltan pada &ujun# pen#&antaran
$) mar"a&'
ii. 8eratus pen#aturan
$) mar"a&'
iii. 7ee"apan talian pen#&antaran
$) mar"a&'
*
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SULIT E2001
UESTION !
a. i.. 9ie t&e definition of "orona.
$2 mar"s'
ii. State T%O(!) side effet of "orona to distribution line and T%O(!)
met&ods to eliminate t&ese side effet.
$* mar"s'
b. Eplain t&e indutane onept between two line reatane in distribution line.
;raw t&e dia#ram.
$+ mar"s'
. i. 9ie T&REE($)t!pe of test for oer&ead line insulation.
$) mar"s'
ii. Eplain briefl! one of t&e test #ien in question 23i aboe.
$2 mar"s'
d. A sin#le p&ase distribution line wit& 1200 "6power suppl! 11", wit& power
fator 0.% le##in# to a fator!. T&e lin &as *resistane and )indutane.
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SULIT E2001
SOALAN $
a. Terdapat pelba#ai sistem sambun#an dalam s!stem pen#a#i&an be"alan "epada
pen##una. !ata"an TI#A($)iri3iri dan lu"is"an s!stem sambun#an beri"ut:
i. Sistem jejarian
ii. Sistem selari
iii. Sistem #elan#i. =an#"aian muda&
$1> mar"a&'
b. Teran#"an TI#A($)per"ara !an# perlu dipertimban#"an sebelum memili&"aeda& pemasan#an talian ele"tri" $"abel bawa& tana& atau talian atas'.
$> mar"a&'
. Lu"is"an "abel bawa& tana& dan nama"an ba&a#ian3ba&a#iann!a.
$) mar"a&'
>
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SULIT E2001
UESTION $
a. T&ere are multis!stem onnetion distribution s!stems for ustomer. State
T&REE($) &arateristis and s"et& onnetion s!stem:
i. Serial s!stem
ii. 8arallel s!stemiii. =in# s!stem
i. etwor" s!stem
$1> mar"s'
b. Eplain T&REE($)onsideration before &oosin# met&od for eletrial
installation line $under#round able or oer&ead able'.
$> mar"s'
. ;raw and label t&e parts of under#round able.
$) mar"s'
?
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SULIT E2001
SOALAN 4
a. !ata"an definasi rin#"as men#enai penawan#.
$ ) mar"a&'
b. Teran#"an den#an rin#"as binaan penawan# beri"ut:
i. 8enawan# luar ban#unan
ii. 8enawan# dalam ban#unan
$> mar"a&'
. Lu"is dan label"an #ambaraja& litar #aris tun##al penawan# pen#a#i&an
))",@11",.
$ > mar"a&'
d. !ata"an den#an jelas fun#si peralatan3peralatan penawan# beri"ut:
i. 8emutus litar
ii. Suis pen#asin#
iii. 8en#uba& oltan
i =ea"tor
. 8enan#"ap "ilat
$10 mar"a&'
%
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SULIT E2001
UESTION 4
a. State definition of substation.
$ ) mar"s'
b. Eplain t&e substation of:
i. utdoor substation
ii. Indoor substation
$ > mar"s'
. S"et& and label t&e iruit dia#ram of sin#le pole ))",@11", substation.
$ > mar"s'
d. State t&e funtion of:
i.
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SULIT E2001
SOALAN '
a. Teran#"an seara rin#"as "aeda& pendawaian ba#i :
i. 8endawaian tersembun!i
ii. 8endawaian permu"aan
iii. 8endawaian "odiut
$ > mar"a& '
b. 4eri"an "UA(!)peraturan IEE ba#i s!stem sesalur dan salur.
$ * mar"a&'
. Ta"rif"an sistem pembumian serta n!ata"an "UA(!)"elebi&an dan "UA(!)
"elema&an sistem pembumian.
$ % mar"a&'
d. Suatu litar a"&ir #elan# men##una"an "abel berpenebat p" dan bersalut "uprum
serta dilindun#i ole& fius )0A !an# bole& didawai"an iaitu 4S )0)>. ,oltan
be"alan iala& 2*0,. Tentu"an sai minimum pen#alir perlindun#an litar se"iran!a
masa "endalian iala& *.0 saat. ;iberi nilai " ba#i "abel p" den#an pen#alir
perlindun#an seba#ai teras iala& 11+.
/adual *1 A1 : Bius iaitu 4S )0)>
7adaran $ampere' 1+ 20 )0
CS$o&m' 2.? 1.% 1.1
$ ? mar"a&'
10
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SULIT E2001
UESTION '
a. Eplain t&e wirin# met&od for :
i.
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SULIT E2001
SOALAN 6
a. !ata"an TI#A($)"ate#ori pemasan#an dan "epentin#an setiap satun!a.
$> mar"a&'
b. !ata"an TI#A($)per"ara !an# perlu diambil "ira untu" menentu"an tempo&
masa ujian ba#i sesuatu pemasan#an.
$) mar"a&'
. 4eri"an TI#A($)peraturan IEE !an# ber"aitan den#an pemeri"saan dan
pen#ujian pemasan#an.
$)mar"a&'
d. 4eri"an "UA(!)tinda"an !an# perlu diambil "e atas pemasan#an !an#
tida" mematu&i s!arat semasa ujian pemeri"saan.
$2 mar"a&'
e. 4a#i pemeri"saan pen#li&atan:
i. !ata"an TI#A($)tujuan pemeri"saan pen#li&atan "e atas pemasan#an.
$) mar"a&'
ii. !ata"an LIMA(')per"ara !an# perlu diperi"sa dalam pemeri"saan
pen#li&atan.
$+ mar"a&'
iii. !ata"an TI#A($)peraturan IEE ba#i ujian pemeri"saan pen#li&atan
$) mar"a&'
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SULIT E2001
UESTION 6
a. State T&REE($)ate#ories of eletrial installation and t&e importane of ea&
ate#ories.
$> mar"s'
b. State T&REE($) onsiderations to determine t&e duration and time period to test
an eletrial installation.
$) mar"s'
. 9ie T&REE($)IEE re#ulations related to obseration and installation testin#.
$)mar"s'
d. 9ie T%O(!)ation s&ould be ta"en on installation t&at iolated rules and
re#ulation upon obseration test.
$2 mar"s'
e. Bor obseration test:
i. State T&REE($)purpose of obseration test for eletrial installation.
$) mar"s'
ii. State FIE(')t&in#s to &e" in obseration test.
$+ mar"s'
iii. State T&REE($)IEE re#ulations for obseration test.
$) mar"s'
1)