ANALISIS MEKANISME DEGRADASI PERMUKAAN ISOLATOR OUTDOOR AKIBAT POLUSI DEBU UREA DI PT PUPUK SRIWIDJAJA

Andhika, Verryal Rava (2026) ANALISIS MEKANISME DEGRADASI PERMUKAAN ISOLATOR OUTDOOR AKIBAT POLUSI DEBU UREA DI PT PUPUK SRIWIDJAJA. Diploma thesis, Politeknik Negeri Sriwijaya.

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Abstract

Penelitian ini bertujuan menganalisis mekanisme degradasi permukaan Outdoor Station Post Insulator 13,8 kV akibat polusi debu urea melalui pengukuran aktivitas partial discharge (PD) dan arus bocor di PT Pupuk Sriwidjaja (Pusri) Palembang. Pengukuran PD dilakukan menggunakan Megger PD Scan dengan sensor ultrasonik, sedangkan arus bocor diukur menggunakan tang ampere. Data PD dianalisis menggunakan MATLAB untuk memperoleh pola Phase Resolved Partial Discharge (PRPD) dan Time Frequency Partial Discharge (TFPD). Hasil penelitian menunjukkan aktivitas PD dengan nilai ultrasonik berkisar antara -5 dB hingga 4 dB, dengan intensitas tertinggi pada Reactor P4. Pola PRPD mengindikasikan surface discharge berintensitas rendah akibat kontaminasi permukaan, sementara pengukuran arus bocor tidak menunjukkan nilai yang signifikan. Hasil tersebut menunjukkan bahwa kondisi isolasi masih baik sehingga metode pengukuran PD dan arus bocor efektif digunakan untuk mengevaluasi kondisi isolator akibat polusi debu urea.

Item Type: Thesis (Diploma)
Uncontrolled Keywords: partial discharge, arus bocor, isolator outdoor, polusi debu urea, Megger PD Scan
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Electrical Engineering > Undergraduate Theses
Depositing User: Pustaka Teknik Elektro
Date Deposited: 21 Sep 2026 02:07
Last Modified: 21 Sep 2026 02:07
URI: http://eprints.polsri.ac.id/id/eprint/26206

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