daftar isi

DAFTAR ISI
HALAMAN JUDUL ................................................................................................ i
HALAMAN PENGESAHAN ................................................................................. ii
HALAMAN PERNYATAAN ............................................................................... iii
HALAMAN PERSEMBAHAN ............................................................................ iv
PRAKATA .............................................................................................................. v
DAFTAR ISI ......................................................................................................... vii
DAFTAR GAMBAR ............................................................................................. ix
DAFTAR TABEL .................................................................................................. xi
ABSTRACT ............................................................................................................ xii
INTISARI............................................................................................................. xiii
BAB I. PENDAHULUAN ...................................................................................... 1
A. Latar Belakang Masalah .............................................................................. 1
B. Maksud dan Tujuan ..................................................................................... 2
C. Batasan Masalah........................................................................................... 2
D. Metode Penelitian......................................................................................... 3
E. Sistematika Penulisan .................................................................................. 3
BAB II. DASAR TEORI ........................................................................................ 5
A. Kualitas Daya .............................................................................................. 5
B. Hubungan Fasa ............................................................................................ 7
C. Penggunaan Segitiga Daya Untuk Analisis Faktor Daya ............................. 8
D. Trafo Tegangan (Voltage Transformator) ................................................... 9
E. Sensor Tegangan ....................................................................................... 10
F.
Sensor Arus ACS712 ................................................................................ 11
G. Relay ......................................................................................................... 13
H. Arduino ..................................................................................................... 15
BAB III. PERANCANGAN ALAT...................................................................... 19
A. Blok Diagram Sistem ................................................................................ 19
B. Perancangan Perangkat Keras .................................................................... 20
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1.
Trafo Tegangan (Voltage Transformator) ............................................. 21
2.
Sensor Arus ACS712.............................................................................. 22
3.
Sensor Tegangan ZMPT101B ................................................................ 23
4.
Driver Relay Module ............................................................................. 24
5.
Rangkaian Kapasitor Bank ..................................................................... 25
6.
Rangkaian LCD 20x4 ............................................................................ 26
C. Perancangan Perangkat Lunak ................................................................... 27
1.
Arduino .................................................................................................. 27
2.
Flowchart Program ................................................................................ 28
BAB IV. PENGUJIAN DAN ANALISIS HASIL................................................ 30
A. Pengujian Fungsional ................................................................................. 30
1.
Pengujian Transformator Tegangan ....................................................... 30
2.
Pengujian Sensor Tegangan ZMPT101B ............................................... 31
3.
Pengujian Sensor Arus ACS712............................................................. 32
4.
Pengujian Driver Relay Module ............................................................. 33
5.
Pengujian Arduino Uno dan Tampilan LCD .......................................... 34
B. Pengujian Sistem Keseluruhan ................................................................... 35
1.
Pengujian Beban Tanpa Kompensasi Kapasitor..................................... 36
2.
Pengujian Beban dengan Kompensasi Kapasitor .................................. 37
BAB V. PENUTUP ............................................................................................... 40
A. Kesimpulan ................................................................................................ 40
B. Saran........................................................................................................... 41
DAFTAR PUSTAKA ........................................................................................... 42
LAMPIRAN .......................................................................................................... 43
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DAFTAR GAMBAR
Gambar 2.1 Diagram phasor konsep kompensator daya nyata (VI cos θ) .............. 6
Gambar 2.2 Hubungan antara daya, volt-ampere dan volt-ampere reaktif ............. 6
Gambar 2.3 Arus dan Tegangan Sefasa .................................................................. 7
Gambar 2.4 Arus tertinggal 30o dari Tegangan (Lagging) ..................................... 8
Gambar 2.5 Arus mendahului 30o dari Tegangan (Leading) .................................. 8
Gambar 2.6 Segitiga Daya ...................................................................................... 8
Gambar 2.7 Bentuk fisik trafo tegangan ................................................................. 9
Gambar 2.8 Bentuk Fisik Sensor Tegangan ZMPT101B ..................................... 11
Gambar 2.9 Diagram blok IC ACS712 ................................................................. 11
Gambar 2.10 Konfigurasi pin IC ACS712 ............................................................ 12
Gambar 2.11 Rangkaian Dasar Relay ................................................................... 14
Gambar 2.12 Konfigurasi Arduino Uno................................................................ 17
Gambar 2.13 Board Arduino Uno R3 ................................................................... 18
Gambar 2.14 LED Indikator Arduino Uno R3...................................................... 18
Gambar 3.1 Blok Diagram Perancangan Sistem ................................................... 19
Gambar 3.2 Rangkaian hubungan IN-OUT pada Transformator Tegangan ......... 21
Gambar 3.3 Skematik IC ACS712 ........................................................................ 22
Gambar 3.4 Modul sensor tegangan satu fasa ZMPT101B .................................. 23
Gambar 3.5 Driver Relay Module ......................................................................... 24
Gambar 3.6 Flowchart Program ........................................................................... 29
Gambar 4.1 Gelombang keluaran transformator tegangan ................................... 31
Gambar 4.2 Sinyal keluaran output sensor tegangan ZMPT101B ........................ 31
Gambar 4.3 Hasil keluaran tegangan sensor ACS712 .......................................... 32
Gambar 4.4 Grafik hubungan I dan V ................................................................... 33
Gambar 4.5 Pengujian Driver Relay Module ....................................................... 34
Gambar 4.6 Tampilan LCD dengan beban kipas angin 20W .............................. 35
Gambar 4.7 Perbandingan daya reaktif sebelum dan setelah dikompensasi ........ 39
ix
DAFTAR TABEL
Tabel 2.1 Tipe-tipe IC ACS712 ............................................................................ 13
Tabel 2.2 Spesifikasi Arduino Uno ....................................................................... 16
Tabel 3.1 Daftar masing-masing nilai kapasitor ................................................... 25
Tabel 4.1 Hasil pengujian sensor ACS712 ........................................................... 32
Tabel 4.2 Pengukuran cos φ1 dengan Beban Bervariasi ....................................... 36
Tabel 4.3 Pengujian beban induktif dengan kompensasi kapasitor ...................... 37
Tabel 4.4 Nilai kapasitor (µF) yang dibutuhkan pada tiap beban ........................ 38
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