LAPORAN PRAKTIKUM TEKNIK TENAGA LISTRIK
BINTANG TIGA TIG A FASA FASA DENGAN JOB 10. BEBAN BINTANG WATTMETER DAN COS φ -METER
Kelas LT – 2C Oleh : Kelompok 6 1. Syifaul Arriki !"."1.1#.$.$1% $. Tri Mulya&i !"."1.1#.$.$$% ". 'a&uar &uar Muhamma( Muhamma( I)*al I)*al !"."1.1 !"."1.1#.$ #.$.$" .$"%% +o,e& +o,e& Pem* Pem*im im*i *i&&- : Bp. SUGIJONO S.T.M.M.
!ROGRAM STUDI TEKNIK LISTRIK JURUSAN TEKNIK ELEKTRO !OLITEKNIK NEGERI SEMARANG 201"
JOB 10 !e#$%&'a# Be(a# B'#)a#$ De#$a# Wa))*e)e+ ,a# Cs -*e)e+ 1.
T%&%a#
Seelah melak,a&aka& prakik i&i/ maha,i,0a (apa : 1% $% "% #%
Me&e&uka& *e,ar&ya e-a&-a& li&e (a& e-a&-a& fa,a. Me&e&uka& *e,ar&ya aru, li&e (a& aru, fa,a. Me&--am*arka& ekor (ia-ram e-a&-a& (a& aru,. Me&e&uka& (aya &yaa/ (aya ,emu/ (aya *ua (e&-a& me&--u&aka& *e*erapa
meo(e *eriku. a. 2ol meer 3 ampere meer (a& 4o, φ5meer. *. ameer 1 fa,a. 4. Ti-a *uah 0ameer ,au fa,a (a& 4o, φ5meer. (. 2olmeer3amperemeer (a& ,au *uah 0ameer i-a fa,a 7% Mem*ukika& rumu,5rumu, i-a fa,a hu*u&-a& *i&a&-. 6% Mem*a&(i&-ka& (aya ya&- (i(i,ipa,ika& *e*a& (e&-a& me&--u&aka& *e*erapa meo(e. 8% Mem*ukika& pe&-ha&ar &eral aru,&ya &ol. 2. !e#,a/%l%a#
+alam per4o*aa& i&i/ *e*a& (ihu*u&-ka& *i&a&-. 9u*u&-a& *i&a&- (iperoleh (e&-a& 4ara me&-hu*u&-ka& kei-a pa&-kal lilia& fa,a me&a(i ,au/ (a& pa(a ,i,em ,alura& # ka0a hu*u&-a& kei-a pa&-kal lilia& fa,a er,e*u (i,e*u iik &ol !&eral% (a& apa*ila (ihu*u&-ka& (e&-a& ,uau ka0a/ maka ka0a er,e*u (ikaaka& pe&-ha&ar &eral. Pa(a *e*a& ,imeri pe&-ha&ar &eral praki, i(ak *eraru,. +e&-a& kaa lai& pa(a *e*a& ,imeri hu*u&-a& *i&a&- *i,a a&pa pe&-ha&ar &eral.
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@am*ar #.". Ra&-kaia& ?e*a& ?i&a&- Ti-a >a,a (e-a& 1 *uah ;o, φ5meer
3.
La#$7a/ Ke+&a
1% Me&e&uka& (aya ya&- (i(i,ipa,ika& (e&-a& 1 *uah olmeer/ 1 *uah amperemeer/ (a& 1 *uah 0a meer " fa,a a. Mema,ika& ala (a& *aha& ya&- (i-u&aka& (alam kea(aa& *aik (a& i(ak ru,ak *. Mera&-kai peralaa& ,e,uai (e&-a& -am*ar ra&-kaia& #.1. (e&-a& *e*a& R !lampu piar% erle*ih (ahulu 4. Mema,ika& peralaa& elah (ira&-kai (e&-a& *e&ar
(. Me&-hi(upka&ka& ,um*er e-a&-a& e. Me&-ukur e-a&-a&/ aru, (a& (aya ,era me&4aa pa(a a*el ha,il pe&-amaa& f. Memaika& ,um*er e-a&-a& -. Me&--a&i *e*a& R (e&-a& L !*alla,% h. Me&-ula&-i la&-kah # ,ampai 6 i.
Me&--a&i *e*a& (e&-a& L (a& !*alla, (a& ko&(e&,aor%
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Me&-ula&-i la&-kah # ,ampai 6
$% Me&e&uka& +aya ya&- (i(i,ipa,ika& (e&-a& meo(a " a meer 1 fa,a (a& $ a meer 1 fa,a a. Mema,ika& ala (a& *aha& ya&- (i-u&aka& (alam kea(aa& *aik (a& i(ak ru,ak *. Mera&-kai peralaa& ,e,uai (e&-a& -am*ar ra&-kaia& #.$. (e&-a& *e*a& R !lampu piar% erle*ih (ahulu 4. Mema,ika& peralaa& elah (ira&-kai (e&-a& *e&ar (. Me&-hi(upka&ka& ,um*er e-a&-a& e. Me&-ukur e-a&-a&/ aru, (a& (aya ,era me&4aa pa(a a*el ha,il pe&-amaa& f. Memaika& ,um*er e-a&-a& -. Me&--a&i *e*a& R (e&-a& L !*alla,% h. Me&-ula&-i la&-kah # ,ampai 6 i.
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Me&-ula&-i la&-kah # ,ampai 6
"% Me&e&uka& *e,ar&ya e-a&-a&3aru, fa,a (a& li&e ,era fakor (aya (a& me&e&uka& aru, pa(a pe&-ha&ar &eral. a. Mema,ika& ala (a& *aha& ya&- (i-u&aka& (alam kea(aa& *aik (a& i(ak ru,ak *. Mera&-kai peralaa& ,e,uai (e&-a& -am*ar ra&-kaia& #.". (e&-a& *e*a& R !lampu piar% erle*ih (ahulu 4. Mema,ika& peralaa& elah (ira&-kai (e&-a& *e&ar (. Me&-hi(upka&ka& ,um*er e-a&-a& e. Me&-ukur e-a&-a&/ aru, (a& fakor (aya ,era me&4aa pa(a a*el ha,il pe&-amaa& f. Memaika& ,um*er e-a&-a& -. Me&--a&i *e*a& R (e&-a& L !*alla,%
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Ta*el ha,il prakikum me&u&ukka& *ah0a lampu memiliki &ilai 4o, ϕ ya&- le*ih *e,ar (i*a&(i&-ka& (e&-a& *alla,. Lampu piar merupaka& *e*a& re,i,if ya&- memiliki &ilai 4o, ϕ me&(ekai 1. Se(a&-ka& u&uk *alla, merupaka& *e*a& i&(ukif ya&- aru,&ya eri&--al erha(ap e-a&-a&&ya aau la--i&- ya&- memiliki &ilai 4o, ϕ kura&- (ari 1. Kemu(ia& keika *e*a& *alla, (iparalel (e&-a& ko&(e&,or maka &ilai 4o, ϕ &ya aka& &aik/ pema,a&-a& ko&(e&,or i&i fu&-,i&ya a(alah ,e*a-ai per*aika& fakor (aya (ari *e*a&. +aya (i(i,ipa,ika& pa(a *e*a& *alla, &ilai&ya pali&- *e,ar (i*a&(i&-ka& (e&-a& *e*a& lampu maupu& *alla, ya&- (iparalel (e&-a& ko&(e&,aor. Sehi&--a pema,a&-a& ko&(e&,aor *i,a me&-ura&-i (aya (i,ipa,i (ari ,uau *e*a& ya&- memiliki &ilai (aya (i,ipa,i ya&- *e,ar. Aru, pa(a ,am*u&-a& &eral pa(a ra&-kaia& *e*a& hu*u&- *i&a&- ya&- ,eim*a&memiliki &ilai aru, &eral ,e*e,ar &ol !
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ra&-kaia& i&i a(alah ,e*e,ar " E "C< 2ol/ (a& erukur pa(a ma,i&-5ma,i&- *e*a& ,e*e,ar $$< 2ol. 9al i&i (ikare&aka& Pa(a hu*u&-a& *i&a&-/ &ilai 2 fa,a !*e(a poe&,ial fa,a ke
&eral% pa(a *elia& primer
Vfasa =
Vline
√ 3
aau
Vline= √ 3 ×Vfasa .
5.
Kes'*p%la# !+a7)'7%* A. =ika *e*a& *i&a&- maka 2 ,um*er haru, (ipa,a&- pa(a e-a&-a& " F "C< 2 ika
*e*a& ,e-ii-a maka 2 ,um*er&ya " F $$< 2. B. Pa(a ,i,em ,alura& # ka0a/ hu*u&-a& kei-a pa&-kal lilia& fa,a (i,e*u &ol
!&eral% (a& apa*ila (ihu*u&-ka& (e&-a& ,au ka0a maka ka0a er,e*u (ikaaka& pe&-ha&ar &eral. C. ;o, phi ya&- *aik yaiu &ilai&ya me&(ekai 1. D. Pe&-ukura& 0ameer haru, memperhaika& pe&-a0aa& ,e,uai ya&- erera pa(a
&ameplae (a& pe&-alia& ha,il &ilai (aya&ya ,e,uai ,elekor ,0i4h (a& a*el pa(a 0ameer. E. Pa(a hu*u&-a& *i&a&-/ &ilai 2 fa,a !*e(a poe&,ial fa,a ke &eral% pa(a *elia&
primer
Vfasa =
Vline
√ 3
aau
Vline= √ 3 Vfasa .
LAMPIRAN
A. Ra&-kaia& hu*u&- *i&a&- (e&-a& *e*a& lampu !(e&-a&- 1 *uah 0ameer " fa,a%
?. Ra&-kaia& hu*u&- *i&a&- (e&-a& *e*a& *alla, !(e&-a&- " *uah 0ameer 1 fa,a%
;. Ra&-kaia& hu*u&- *i&a&- (e&-a& *e*a& *alla, (a& ko&(e&,aor !(e&-a&- 1 *uah 0ameer " fa,a%
+. Ra&-kaia& hu*u&- *i&a&- (e&-a& *e*a& *alla, (a& ko&(e&,aor !(e&-a&- " *uah 0ameer 1 fa,a%
G. Ra&-kaia& hu*u&- *i&a&- (e&-a& *e*a& *alla, (a& ko&(e&,aor !(e&-a&- $ *uah 0ameer 1 fa,a%
>. Ra&-kaia& hu*u&- *i&a&- (e&-a& *e*a& lampu !(e&-a&- " *uah 0ameer 1 fa,a%