LAPORAN PRAKTIKUM TEKNIK TENAGA LISTRIK

LAPORAN
PRAKTIKUM TEKNIK TENAGA LISTRIK

Disusun oleh:
NAMA

: FIRLI RIZA

NIM

: 1311048

KELAS

:B

TEKNIK MESIN S-1
FAKULTAS TEKNOLOGI INDUSTRI
INSTITUT TEKNOLOGI NASIONAL MALANG
2014

LEMBAR PERSETUJUAN
LAPORAN PRAKTIKUM TEKNIK TENAGA LISTRIK

DIPERIKSA DAN DISETUJUI OLEH :
Ka. Lab. Pengujian Material/Metallografi

Dosen Pembimbing

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D A F TA R I S I

LEMBAR PERSETUJUAN.......................................................................................................i
DAFTAR ISI..............................................................................................................................ii
DAFTAR GAMBAR................................................................................................................iv
DAFTAR TABEL.......................................................................................................................v

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BAB I PENDAHULUAN..........................................................................................................1
1.1 Latar Belakang.................................................................................................................1
1.2 Maksud dan Tujuan Praktikum........................................................................................1
1.2.1 Maksud Pengujian.....................................................................................................1
1.2.2 Tujuan Pengujian.....................................................................................................2
BAB II TRANSFORMATOR....................................................................................................3
2.1 Tujuan Pengujian.............................................................................................................3
2.2 Transformator Berbeban..................................................................................................3
2.3 Prosedur pengujian..........................................................................................................5
BAB III MOTOR INDUKSI 3 FASA........................................................................................6
3.1 Tujuan Pengujian..............................................................................................................6
3.2 Pengasutan Motor Dengan Menggunakan Tahanan Luar.................................................6
3.3 Percobaan Tanpa Beban....................................................................................................8
BAB IV Generator Sinkron........................................................................................................9
BAB V PENUTUP.....................................................................................................................9
5.1 Kesimpulan.......................................................................................................................9
5.2 Saran.................................................................................................................................9
DAFTAR PUSTAKA...............................................................................................................10
LAMPIRAN.............................................................................................................................11

D A F TA R G A M B A R
Gambar 2.1 Rangkaian percobaan test polaritas trafo.....................................................3
Gambar 2.2 Percobaan transformator berbeban..............................................................3
Gambar. 3.1 Diagram alat asut saklar bintang segitiga...................................................6
Gambar 3.2 Rangkaian pengasutan dengan tahanan luar...............................................7
Gambar 3.3 Rangkaian motor asinkron 3 Ø tanpa beban............................................8

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D A F TA R TA B E L
Tabel 2.1 Pengukuran polaritas transformator.............................................................4
Tabel 2.2 Hasil pengukuran transformator berbeban...................................................4
Tabel 2.3 Hasil pengukuran hubungan transformator 3 phase....................................5
Tabel 3.1 Hasil pengujian pengasutan motor dengan saklar star.................................5
Tabel 3.2 Hasil pengujian pengasutan motor dengan tahanan luar.............................7

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BAB I
PENDAHULUAN

1.1 Latar Belakang
_________________________________________________________________________
_________________________________________________________________________
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1.2 Maksud dan Tujuan Praktikum
_________________________________________________________________________
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1.2.1 Maksud Pengujian
_________________________________________________________________________
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1.2.2 Tujuan Pengujian
_______________________________________________________________________________
_______________________________________________________________________________
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BAB II
P E N G U J I A N T R A N S F O R M ATO R

2.1 TUJUAN PENGUJIAN

Gambar 2.1 Rangkaian Percobaan Test Polaritas Trafo

No
.

V1(Volt)

V1’(Volt)

V2(Volt)

1.
2.
3.

Tabel 2.1 Pengukuran Polaritas Transformator

2.2 TRANSFORMATOR BERBEBAN

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G A M B A R 2 - 2
P E R C O B A A N TR A N S FO R M A TO R B E R B E B A N

A

A

1

2

V

~

V

R

2

L

1

TABEL 2-2
HASIL PENGUKURAN TRANSFORMATOR BERBEBAN
No

V1 (Volt)

I1 (MA)

V2 (Volt)

I2 (AMP)

Beban Lampu

.
1.
2.
3.
4.
5.

2.3 PROSEDUR PENGUJIAN
_______________________________________________________________________________

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_______________________________________________________________________________
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BAB III
M O TO R I N D U K S I 3 FA S A
.

3.1 Tujuan Pengujian

Gambar. 3.1 Diagram alat asut saklar bintang segitiga

TABEL 3-1
HASIL PENGUJIAN PENGASUTAN MOTOR
DENGAN SAKLAR STAR DELTA
Vph
(Volt)

Iph (Amp)
STAR

Torsi (Nm)

Nr (rpm)

DELTA STAR

DELTA

STAR

3.2 Pengasutan Motor Dengan Menggunakan Tahanan Luar

6

DELTA

Gambar 3-2
RANGKAIAN PENGASUTAN DENGAN TAHANAN LUAR

TABEL 3-2
HASIL PENGUJIAN PENGASUTAN MOTOR
DENGAN TAHANAN LUAR

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Vph (volt)
F ( Hz )
I (A)
R4

Nr (rpm)
Torsi (n.m)
I (A)

R3

Nr (rpm)
Torsi (n.m)
I (A)

TAHANAN
LUAR (ohm)

R2

Nr (rpm)
Torsi (n.m)
I (A)

R1

Nr (rpm)
Torsi (n.m)
I (A)

0

Nr (rpm)
Torsi (n.m)

3.3 Percobaan Tanpa Beban

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GAMBAR 3-3
RANGKAIAN MOTOR ASINKRON 3 Ø TANPA BEBAN

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BAB IV
GENERATOR SINKRON
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________
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BAB V
PENUTUP

5.1 Kesimpulan
_________________________________________________________________________
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5.2 Saran
_________________________________________________________________________
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D A F TA R P U S TA K A

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LAMPIRAN
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