Istiani, Fellisah Ratna (2026) PENGARUH POLUSI ABU BATUBARA TERHADAP ARUS BOCOR DAN FLASHOVER ISOLATOR PORSELIN OUTDOORS. Diploma thesis, Politeknik Negeri Sriwijaya.
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Abstract
Penelitian ini mengkaji pengaruh polusi abu batubara (fly ash) terhadap arus bocor (leakage current) dan risiko Flashover pada isolator porselin luar ruangan. Metode eksperimen nyata (true experimental research) digunakan melalui observasi langsung dan pengukuran arus bocor menggunakan clamp ampere pada kabel grounding transformator distribusi 20 kV di PT. BEST Tanjung Enim. Kerana keterbatasan alat, analisis karakteristik Flashover disokong melalui studi literatur dan komparasi data sekunder. Hasil pengujian lapangan pada 11–13 Mei 2026 menunjukkan nilai arus bocor sebesar 0,0 A (0 µA) tanpa tanda-tanda Flashover, mengindikasikan isolator masih dalam kondisi baik. Sebaliknya, data rujukan jurnal berasaskan ujian maksimal menunjukkan kenaikan arus bocor daripada 83,30 µA (pada 20,30 kV) kepada 141,30 µA (pada 30,05 kV) seiring penurunan resistansi permukaan daripada 262,106 MΩ kepada 212,668 MΩ. Perbedaan ini dipengaruhi oleh keadaan persekitaran dan kaedah pengujian. Kajian menyimpulkan bahawa walaupun keadaan lapangan semasa adalah selamat, akumulasi abu batubara pada keadaan lembap secara teoretikal meningkatkan risiko dry band dan kegagalan Flashover.
| Item Type: | Thesis (Diploma) |
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| Uncontrolled Keywords: | Abu Batubara, Arus Bocor, Flashover, Isolator Porselin Outdoor, Jaringan 20 kV. |
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering |
| Divisions: | Electrical Engineering > Undergraduate Theses |
| Depositing User: | Pustaka Teknik Elektro |
| Date Deposited: | 17 Sep 2026 03:52 |
| Last Modified: | 17 Sep 2026 03:52 |
| URI: | http://eprints.polsri.ac.id/id/eprint/25691 |
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