Page 3 - LAPORAN OPTIMALISASI SISTEM GOVERNOR gabung

DAFTAR ISI

Isi
I. PENDAHULUAN..............................................................................................................................3

I.1 LATAR BELAKANG...................................................................................................................3
I.1.1 Turbine...............................................................................................................................3

I.1.2 Generator...........................................................................................................................8
I.2 LINGKUP KERJA......................................................................................................................9

I.2.1 Mob-Demob Manpower, tools and Equipment..................................................................9
I.2.2 Overhaul Governor (Need Governor Woodward specialist M/E) & Main Stop Valve.......10
I.2.3 Commissioning and Start Up............................................................................................10

I.2.4 Fokus Perbaikan...............................................................................................................10
II. PEMBAHASAN..............................................................................................................................11

II.1 PEKERJAAN MAINTENANCE.................................................................................................11
II.1.1 Perencanaan................................................................................................................11
II.1.2 Persiapan.....................................................................................................................11

II.1.3 Pelaksanaan.................................................................................................................12
II.1.4 Pemeriksaan & Pengujian............................................................................................18

II.1.5 Pelaporan.....................................................................................................................18
II.2 PEKERJAAN MODIFIKASI & PERBAIKAN................................................................................19

II.2.1 Modifikasi & Pemasangan Support Steam Chest.........................................................19
II.2.2 Pembuatan Nipple untuk Inject Grease pada Governor support shaft.........................19

II.2.3 Menaikkan Batas Bawah (0%) Steam Chest.................................................................20
II.2.4 Memperbaiki Signal Range Woodward 505 ke CPC II...................................................21
II.2.5 Tuning PID pada Offline PID Woodward 505................................................................22

II.2.6 Pembuatan Jalur Signal Open CB 104UG......................................................................23
II.2.7 Menaikkan Setting KW Max Load pada Woodward 505...............................................24

II.2.8 Modifikasi Nilai KW Droop & Maximum Governor Speed Woodward 505...................24
II.2.9 Penambahan Fasilitas Valve Limiter pada DCS.............................................................25

III. PENJELASAN OPERASIONAL.....................................................................................................26
III.1 Dasar Teori Load Control vs Frequency Control...................................................................26

III.2 Memilih Selector antara Load Control dan Frequency Control............................................28
III.3 Memasukkan Setpoint Daya/Beban ke Woodward 505.......................................................28
III.4 Menggunakan Fitur Valve Limiter........................................................................................29

IV. PENUTUP.....................................................................................................................................30
IV.1 KESIMPULAN........................................................................................................................30

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