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UJIAN FORMATIF IV SEMESTER GANJIL 2015/2016

MATA KULIAH : MOTOR LISTRIK

HARI/TANGGAL : 10November 2015

SIFAT : Take Home Test

OS!N : Mar"a# A$$a#%&' MT

1( )&*&+ sa*a+ sat, -e#&s motor 1 $asa .a# a#%a k,asa&' ambarka# ra#ka&a#

-e#&s motor 1 $asa .a# a#%a &*&+' -e*aska# rs& ker-a motor terseb,t

ber%asarka# ra#ka&a# terseb,t(

2( er%asarka# t,as observas& .a# te*a+ sa,%ara *ak,ka#' te#t,ka# -e#&s motor

%a# ambarka# ra#ka&a##.a serta -e*aska# rs& ker-a motor ber%asarka#

ra#ka&a# terseb,t(

a"ab :

1( Motor Ser& Sat, Fasa 3,#&versa*4

Motor ,#&versa* ter%&r& %ar& seb,a+ rotor .a# b&asa %&seb,t armat,r ata,

-a#kar' %e#a# *&*&ta# k,mara# seke*&*#.a' %a# %&,-,# oros %&*etakka#

kom,tator .a# %&ba& atas beberaa *ame*( )a%a erm,kaa# kom,tator %&*e

taka# s&kat karbo# .a# ber$,#s& ,#t,k me#a*&r ar,s %ar& s,mber *,ar ke %a*am

-a#kar motor( Saat ar,s me#a*&r ke %a*am -a#kar' maka %& -a#kar aka# t&mb,*

me%a# ma#&t' se+a -a#kar aka# ber,tar %&a#tara k,t,b ma#&t .a# bera%a

%& stator motor( Ham&r sem,a motor ,#&versa* mem&*&k& k&as e#% %&ba&a#

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,-,# oros#.a( Motor ,#&versa* ba#.ak %&,#aka# a%a era*ata# *&str&k %e#a#

,k,ra# ke6&* %a# se%a#' seert& e#&sa %eb,' mes -a+&t %a# se-e#&s#.a(Motor

,#&versa* b&sa %&oeras&ka# %e#a# s,mber ar,s seara+ ata, bo*akba*&k(

Ke6eata# motor b&sa %&at,r %e#a# me#,#aka# r+eostat' e#.eara+' ata,

er,ba+a# ke%,%,ka# s&kat karbo# .a# me*e"at& -a#kar motor(

)era"ata# motor ,#&versa* re*at&$ m,%a+' keba#.aka# motor t&%ak

ber$,#s& %e#a# ba&k %&ak&batka# kare#a ko#tak s&kat karbo# ke erm,kaa#

kom,tator t&%ak ba&k' & b&sa %&*&+at %e#a# a%a#.a sarka%a erm,kaa#

kom,tator' se+a ko#tak *&str&k me#-a%& t&%ak sem,r#a( Aab&*a +a* seert& &

ter-a%&' maka k&ta +ar,s me#at,r kemba*& os&s& s&kat ata, me#a#t& s&kat

%e#a# .a# bar,(

2( M&7er

Ses$&kas& :

T&e mes : N5Maks%o

8o*,me : 5 *&ter

Kaas&tas %r. $*o,r : 2 k

Kaas&tas o,+ : 9 k

L&str&k : 200 "att' 220 8

o"* s&e : 210 7 1;0 mm

Rotat&o# see%3o"*/+ook4 : 1

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Ra#ka&a# s&stem ker-a m&7er

Gambar terseb,t memer*&+atka# ra#ka&a# ke*&str&ka# m&7er merek

)+&*&s t.e HR 1500/A1( Gambar terseb,t me#,#-,kka# ba+"a s,mber *&str&k

.a# %&er*,ka# ,#t,k me#-a*a#ka##.a a%a*a+ tea#a# A? 220 290 8 a%a

$rek,e#s& ker-a 50 B ;0 H( Seme#tara %a.a *&str&k .a# aka# %&sera sebesar 1@0

"att( Kem,%&a#' ra#ka&a##.a %&*e#ka& %e#a# kaas&tor %a# res&stor .a#

%&asa# ara*e*( Kaas&tor %a# res&stor terseb,t ber$,#s& sebaa& ere%am

$rek,e#s& ter$ere#s& .a# %&t&mb,*ka# o*e+ motor m&7er saat ber,tar(

)e#at,ra# ke6eata# m&7er %&*ak,ka# %e#a# mem%a+ka# os&s& sak*ar

em&*&+ ke6eata# 3SC4 a#tara os&s& D0E +a os&s& D9E( )e#at,ra# ke6eata#

& %aat %&*ak,ka# %e#a# SC' kare#a os&s&os&s& ke6eata# .a# %&t,#-,kka#

o*e+ SC ber+,b,#a# %e#a# be*&ta# e#at,r ke6eata# %a# be*&ta# ba#t, motor

L1' L2 %a# L9 .a# ter+,b,# ser& me#,-, ke s&kat1' mas,k ke be*&ta# rotor 3LR4'

ke*,ar ke s&kat2' mas,k ke be*&ata# ,tama *a*, kemba*& s,mber *&str&k( N&*a&

res&sta#s& L1 sebesar 2= o+m' L2 sebesar 20 o+m' %a# L9 sebesar 1= o+m(

Seme#tara &t, res&sta#s& be*&ta# stator 3L=4 %a# rotor motor 3LR4 masmas

1@ o+m %a# == o+m(