DAFTAR ISI

HALAMAN JUDUL Hal

LEMBAR PENGESAHAN......................................................................................................i

KATA PENGANTAR..............................................................................................................ii

DAFTAR ISI...........................................................................................................................iii

BAB I PENDAHULUAN.........................................................................................................1

1.1. LatarBelakang ..............................................................................................................1

1.2. Rumusan Masalah.........................................................................................................2

1.3. Tujuan Kerja Praktek...................................................................................................3

1.4. Metode Pengambilan Data...........................................................................................3

1.5. Batasan Masalah..........................................................................................................4

1.6. Manfaaat Praktek Industri............................................................................................4

1.7. Waktu Dan Tempat Pelaksanaan Kerja Praktek..........................................................5

1.8. Sistematika Penulisan laporan kerja praktek................................................................5

BAB II PT.PERTAMINA EP ASSET 1 PANGKALAN SUSU FIELD.................................7

2.1. Sejarah Singkat PT.Pertamina Pangkalan Susu...........................................................7

2.2. Visi dan Misi perusahaan............................................................................................11

2.3. Stuktur Organisasi.......................................................................................................11

2.4. Tabel Rekapitulasi Pekerja.........................................................................................24

2.5. Value 6c......................................................................................................................25

BAB III Tinjauan Pustaka.....................................................................................................26

3.1. Sistem Pembangkit Listrik Tenaga GAS Power Plant Pangkalan Susu.....................26

3.1.1. Komponen PLTG.....................................................................................................27

3.2 Prinsip Keja Mesin 4Tak PLTG (4 langkah)..............................................................36

3.3 Generator Sinkron.......................................................................................................39

3.3.1. Prinsip Kerja Generator Sinkron..............................................................................40

3.3.2. Konstruksi Generator...............................................................................................41

3.4 Sistem Eksitasi.................................................................................................................41

3.5 Switchgear Dan Proteksi..................................................................................................45

3.6 Komponen-Komponen System Proteksi Tenaga Listrik...................................................45

3.7 Dasar Teori Proteksi Pada Generator................................................................................48

3.8 Proteksi Generator Secara Garis Besar.............................................................................49

3.8.1. Proteksi Terhadap Gangguan Luar Generator.........................................................49

3.8.2. Proteksi Terhadap Gangguan Dalam Generator......................................................50

3.9. Syarat-syarat Proteksi......................................................................................................50

BAB IV SISTEM PROTEKSI PADA GENERATOR

DI PT. PERTAMINA EP ASSET 1 POWER PLANT PANGKALAN SUSU.....52

4.1 Sistem Pembangkit Tenaga Listrik di Pertamina EP Power Plant Pangkalan Susu..........52

4.1.1 Data Generator Power plant No 1.............................................................................53

4.1.2 Data Generator Power plant No 2.............................................................................54

4.1.3 Bagian-bagian Dari Generator.................................................................................55

4.1.4 Key Illustration Generator........................................................................................56

4.1.5 Alarm yang timbul di modul control dan cara mengatasi........................................57

4.2 Macam-macam proteksi ..................................................................................................59

4.2.1 Gangguan-gangguan yang Terjadi...........................................................................59

4.3 Prinsip Kerja Proteksi.......................................................................................................60

4.4 Penempatan Pengaman Pada Generator............................................................................61

4.5 Fungsi Dari Proteksi Generator ....................................................................................62

4.6 Perlengkapan Pengamanan Kerja Yang Digunakan.........................................................73

4.7 Potensi Bahaya Yang Dapat Terjadi PadaManusia.........................................................77

BAB V PENUTUP ...............................................................................................................79

5.I Kesimpulan................................................................................................................79

5.2 Saran...........................................................................................................................80

DAFTAR PUSTAKA.............................................................................................................81