Unit 4 GENERATOR DC-1.docx - 24 UNIT 4 GENERATOR DC 1 Tujuan percobaan Praktikan dapat memahami prinsip kerja generator DC Praktikan dapat mengoprasikan

Unit 4 GENERATOR DC-1.docx - 24 UNIT 4 GENERATOR DC 1...

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24 UNIT 4 GENERATOR DC 1. Tujuan percobaan Praktikan dapat memahami prinsip kerja generator DC Praktikan dapat mengoprasikan generator dengan baik Praktikan mengetahui dan memahami hubungan antara tegangan autput, putaran dan kopel pada generator DC Praktikan dapat mengetahui gelombang tegangan output 2. Teori singkat Generator DC adalah alat yang dapat mengubah energy mekanik menjadi energy listrik arus searah (DC). Bila kumparan jangkar berputar pada medan magnet, akan dibangkitkan tegangan (ggl), yang berubah setiap setengah putaran. Sehingga merupakan tegangan bolak-balik. e = E maks Sinωt Untuk mendapatkan tegangan searah diperlukan sebuah penyearah yang disebut komutator. Suatu generator DC akan berfungsi apabila memiliki: Kumparan medan , berbentukkutub sepatu meruakan stator (bagian yang tidak berputar) untuk menghasilkan medan magnet. Kumparan jangkar , merupakan rotor ( bagian yang berputar ) jika kumparan( rotor) di aliti arus listrik arus searah dan terletak diantara dua kutub magnet ( 2 kutub utara dan
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