DAFTAR ISI

HALAMAN JUDUL....................................................................................................... i HALAMAN PENGESAHAN........................................................................................ ii KATA PENGANTAR..................................................................................................... iv UCAPAN TERIMA KASIH........................................................................................... v DAFTAR ISI.................................................................................................................... vi DAFTAR GAMBAR....................................................................................................... viii DAFTAR TABEL............................................................................................................ xiLAMPIRAN...................................................................................................................... xi

BAB I. PENDAHULUAN1.1. Latar Belakang...................................................................................................... 11.2. Tujuan................................................................................................................... 11.3. Batasan Masalah .................................................................................................... 2

BAB II. GAMBARAN UMUM2.1 Sejarah Perusahaan................................................................................................. 32.2 Kondisi Alam......................................................................................................... 42.3 Pengembangan Sumber Daya Air.......................................................................... 52.4 Manfaat dan Tujuan dibangun Bendungan Wlingi ............................................... 62.5 Perencanaan PLTA Wlingi.................................................................................... 6

BAB III. PEMBAHASAN UMUM3.1 Teori Dasar PLTA.................................................................................................. 8

3.1.1 Fungsi PLTA................................................................................................ 83.1.2 Masukan Air................................................................................................. 83.1.3 Sistem PLTA................................................................................................ 83.1.4 PLTA Umum................................................................................................ 9

3.2 Peralatan Utama ................................................................................................... 113.2.1 Waterway..................................................................................................... 113.2.2 Turbin.......................................................................................................... 153.2.3 Generator.................................................................................................... 22

3.3 Peralatan Bantu...................................................................................................... 333.3.1 Main Strainer................................................................................................ 333.3.2 Sub Strainer................................................................................................... 343.3.3 Booster Pump................................................................................................ 343.3.4 Oil Sump Tank.............................................................................................. 353.3.5 Governor Oil Pump....................................................................................... 353.3.6 Oil Pressure Tank.......................................................................................... 363.3.7 Air Compressor in door................................................................................. 363.3.8 Grease Pump.................................................................................................. 373.3.9 Leakage Oil Tank and Pump......................................................................... 373.3.10 Drainage Pump............................................................................................ 38

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3.4 Sistem Baterai........................................................................................................... 383.5 Over Head Travelling Crane (OHTC) ……………………………………………. 403.6 Fire Hydrant ………………………………………………………………………. 41

BAB IV. PEMBAHASAN KHUSUS

4.1 Water Cooling System….........................................................................................414.1.1 Air Cooler……………………………………………………………………….444.1.2 Oil Cooler……………………………………………………………………… 444.1.3 Pendinginan Water Turbine Guide Bearing…………………………………….444.1.4 Pendingin Oil Sump Tank………………………………………………………45

BAB V. PENUTUP5.1. Kesimpulan............................................................................................................... 465.2. Saran........................................................................................................................... 46

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DAFTAR GAMBAR

Gambar Halaman 3.1 Wduk Wlingi ....................................................................................................................... 12

3.2 Intake Gate................................................................................................................ 14 3.3 Tail Race................................................................................................................... 15 3.4 Ruang Turbin ........................................................................................................... 21 3.5 Permanent Magnet Generator.....................................................................................21 3.6 Governor Unit 2......................................................................................................... 23 3.7 Generator 1 dan 2....................................................................................................... 23 3.8 Main Shaft pada Turbin Pit........................................................................................ 26 3.9 AVR dan Penguatan Medan........................................................................................ 283.10 Oil Cooler.................................................................................................................. 303.11 Panel gas CO2............................................................................................................ 303.12 Generator Emergency............................................................................................... 313.13 Main Strainer............................................................................................................ 323.14 Sub Strainer............................................................................................................. 323.15 Booster Pump.......................................................................................................... 333.16 Sump Tank............................................................................................................... 343.17 Oil Pressure Tank..................................................................................................... 343.18 Air Compressor........................................................................................................ 353.19 Grease Pump............................................................................................................ 363.20 Leakage Oil Tank and Pump.................................................................................... 363.21 Drainase Pump......................................................................................................... 373.22 Baterai pada ruang baterai PLTA Wlingi................................................................. 383.23 Panel Pengisi Baterai................................................................................................ 38

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DAFTAR TABEL

Tabel Halaman

3.1 Design Condistion Head............................................................................................ 173.2Garantie Efficiency..................................................................................................... 17

LAMPIRAN

Lampiran 1. Struktur Organisasi PLTA Wlingi Lampiran 2. Rekapitulasi kegiatan praktek industri

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