• Document: PT PLN (Persero) PROTEKSI DAN KONTROL BUSBAR DAFTAR ISI
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PT PLN (Persero) PROTEKSI DAN KONTROL BUSBAR DAFTAR ISI DAFTAR ISI .......................................................................................................................................... i DAFTAR GAMBAR ............................................................................................................................ iii DAFTAR TABEL................................................................................................................................. iv DAFTAR LAMPIRAN .......................................................................................................................... v PROTEKSI DAN KONTROL BUSBAR ...............................................................................................1 1. Pendahuluan ............................................................................................................................ 1 1.1 Gambaran Umum ..................................................................................................................... 1 1.2 Definisi dan Fungsi Bagian Utama ........................................................................................... 3 1.2.1 Diferensial Busbar .....................................................................................................3 1.2.2 Circulating Current Protection ...................................................................................6 1.2.3 Breaker Failure Protection ........................................................................................7 1.2.4 Short Zone Protection ...............................................................................................8 1.2.5 Relai Arus Lebih dan Relai Gangguan Tanah (OCR/GFR) ................................... 10 1.2.6 Relai Tegangan Nol ............................................................................................... 10 1.2.7 Relai Frekuensi Kurang.......................................................................................... 10 1.2.8 Discrepancy Control Switch ................................................................................... 11 1.2.9 Annunciator dan Alarm........................................................................................... 11 1.2.10 Selector Switch ...................................................................................................... 11 1.2.11 Meter ...................................................................................................................... 12 1.2.12 Failure Mode and Effect Analysis (FMEA) ............................................................ 12 2. PEDOMAN PEMELIHARAAN ................................................................................................ 12 2.1 In Service Inspection / Inspeksi Dalam Keadaan Operasi ..................................................... 12 2.1.1 Inspeksi Harian ...................................................................................................... 13 2.1.2 Inspeksi Mingguan ................................................................................................. 13 2.1.3 Inspeksi Bulanan .................................................................................................... 13 2.2 In Service Measurement / Pengukuran Dalam Keadaan Operasi ......................................... 14 2.3 Shutdown Testing/Measurement / Pengujian Dalam Keadaan Tidak Bertegangan .............. 15 2.3.1 Pengujian Relai Diferensial Busbar ....................................................................... 15 2.3.2 Pengujian relai Circulating Current (CCP) ............................................................. 16 2.3.3 Pengujian Relai Circuit Breaker Failure (CBF) dan Relai Short Zone (SZP) ......... 16 2.3.4 Pengujian Relai Arus Lebih/Relai Gangguan Tanah (OCR/GFR) ......................... 17 2.3.5 Pengujian Relai Tegangan Nol .............................................................................. 17 2.3.6 Pengujian Relai Frekuensi Kurang ........................................................................ 17 2.3.7 Kalibrasi Meter ....................................................................................................... 18 2.4 Shutdown Function Check / Pengujian Fungsi Pada Saat Sistem Tidak Bertegangan ......... 18 2.4.1 Function Test Relai Diferensial Busbar................................................................. 18 2.4.2 Function Test Relai Circulating Current (CCP) ..................................................... 18 2.4.3 Pengujian Relai B

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