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All Journal Journal of Renewable Energy, Electrical, and Computer Engineering Perwira Journal of Science and Engineering (PJSE)
Rahmat Hidayat
Institut Teknologi Sumatera
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering

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PROSES MAINTENANCE DAN EVALUASI KINERJA POMPA 56-P-101 D DI UNIT UTILITIES PT. XYZ Antero Jona Vialin; Ahmad Kurniawan; Bayu Fajar Nugroho; Dika Ardiansyah; Rahmat Hidayat; Rizky Candra Purnama; Fajar Paundra
Perwira Journal of Science & Engineering Vol 4 No 1 (2024)
Publisher : Universitas Perwira Purbalingga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54199/pjse.v4i1.289

Abstract

Pompa merupakan salah satu jenis mesin fluida yang berfungsi untuk memindahkan zat cair dari suatu tempat ke tempat yang diinginkan. Zat cair tersebut contohnya adalah air, oli atau minyak pelumas, serta fluida lainnya. Pada Perusahaan XYZ pompa jenis 56-P-101 D di unit utilities sangat sering dioperasikan dalam mengolah produk-produk di perusahaan XYZ sehingga perlu diterapkan perawatan terhadap pompa demi menjaga agar pompa tetap terawat sehingga usia pakai dari pompa dapat bertahan lebih lama dan dapat minimalisir kerusakan yang mungkin dapat terjadi pada pompa . Penelitian ini bertujuan untuk menganalisis penggunaan pompa dalam konteks cooling tower di industri minyak bumi, dengan fokus pada operasi dan pemeliharaan di fasilitas XYZ. Metode yang digunakan dalam pengambilan data penelitian ini adalah metode observasi. Metode observasi melibatkan pengamatan langsung terhadap suatu fenomena atau kegiatan untuk mengumpulkan data. Dalam hal ini, informasi tentang unit 56 dikumpulkan dengan cara mencatat aktivitas, peristiwa, atau parameter yang relevan dalam log sheet secara langsung dari operasional lapangan. Implementasi dari penelitian ini mencakup peningkatan keberlanjutan operasi industri minyak bumi dan peningkatan efisiensi energi secara keseluruhan.
SG3525-EGS002 Pure Sine Wave Inverter Efficiency Characterization for Growlight Applications Al Barra Harahap; Vera Khoirunisa; Rangga Yuanas; Rahmat Hidayat
Journal of Renewable Energy, Electrical, and Computer Engineering Vol. 6 No. 2 (2026): September 2026
Publisher : Institute for Research and Community Service (LPPM), Universitas Malikussaleh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/jreece.v6i1.27204

Abstract

Pure sine wave (PSW) inverters based on two-stage SG3525 push-pull and EGS002 sinusoidal pulse width modulation (SPWM) topologies are commonly used in battery-sourced off-grid agricultural systems, but their load-resolved performance under LED growlight loading remains insufficiently characterized. This study aimed to design, fabricate, and experimentally evaluate a two-stage single-phase PSW inverter supplied by a 12 V lead-acid battery. The first stage used an SG3525-driven push-pull DC-DC converter operating at 35 kHz with an ETD42 ferrite-core transformer to generate a 380 V DC bus. The second stage used an EGS002 SPWM module driving an IRF460 H-bridge and LC output filter to produce a 220 V, 50 Hz AC output. Efficiency testing was performed at eleven nominal LED growlight load points from 0 W to 500 W. At each point, input-output electrical quantities, waveform parameters, and operating temperature were recorded after steady-state operation. The inverter reached a peak efficiency of 87.80% at the 300 W nominal LED rating, while the 250–300 W range maintained efficiency above 84%. Mean waveform amplitude error relative to the theoretical sinusoidal reference was 1.59%, voltage regulation was 2.52%, and output frequency remained stable at 50 Hz. Operating temperature increased from 27°C at no load to 34°C at the 500 W nominal LED rating. These results indicate that the inverter is suitable for LED-driver-based growlight loading within the characterized operating range and provides baseline data for future component-level thermal evaluation.
Co-Authors Ahmad Kurniawan Antero Jona Vialin Bayu Fajar Nugroho Dika Ardiansyah Fajar Paundra Harahap, Al Barra Rangga Yuanas Rizky Candra Purnama Vera Khoirunisa