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1 - Bursa Open Source

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38<br />

AC SUPPLY (PS1)<br />

BATERE CHARGER<br />

INTERLOCK SYSTEM<br />

AC SUPPLY (PS2)<br />

Gambar 1.19 Pola 2 Instalasi Sistem DC Power<br />

BATERE<br />

Pola 3<br />

Pola 3 ini terdiri dari: 2 trafo PS, 2 charger, 2 baterai dan 2 bus<br />

DC. Pengaman utama dan cadangan menggunakan MCB yang<br />

berbeda.<br />

Pola operasinya adalah:<br />

- Sistem 1: PS 1, Charger 1 dan Baterai 1, beroperasi memikul<br />

beban.<br />

- Sistem 2: PS 2, Charger 2 dan Baterai 2, beroperasi tanpa beban.<br />

Pada posisi normal sistem 1 dan sistem 2 operasi secara terpisah,<br />

posisi MCB keluar (MCB kopel interlock dengan MCB sistem 1 dan<br />

sistem 2).

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