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All Journal Jurnal ELTIKOM : Jurnal Teknik Elektro, Teknologi Informasi dan Komputer Journal of Innovative and Creativity
RAHMAWATI, NUR ASMI
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Aerospace Engineering Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Engineering Languange, Linguistic, Communication & Media Mathematics Social Sciences Other

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Preventive Maintenance Mesin Produksi di IKM Rumah Jamur Kabupaten Bantaeng Provinsi Sulawesi Selatan Lestari, Mega Fia; Kamaruddin, Kamaruddin; Sitanggang, Boy Chandra; Rahmawati, Nur Asmi; Supu, Abd Rachman
Journal of Innovative and Creativity Vol. 5 No. 3 (2025)
Publisher : Fakultas Ilmu Pendidikan Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/joecy.v5i3.6317

Abstract

Kegiatan Pengabdian kepada Masyarakat (PkM) ini bertujuan untuk meningkatkan kinerja dan keberlanjutan usaha IKM Rumah Jamur melalui perbaikan dan perawatan alat produksi utama. Permasalahan mitra meliputi tingginya tingkat kebisingan pada alat pengering pemutar cepat (spinner) serta rendahnya efisiensi alat pengaduk media tanam akibat keterbatasan jumlah pengaduk dan penurunan performa komponen mekanis. Metode yang digunakan meliputi observasi lapangan, diskusi dengan mitra, perawatan preventif, serta modifikasi alat produksi. Hasil kegiatan menunjukkan bahwa perawatan spinner mampu menurunkan tingkat kebisingan dan meningkatkan kenyamanan kerja, sementara modifikasi alat pengaduk media tanam meningkatkan homogenitas pencampuran dan efisiensi proses produksi. Kegiatan ini juga mendorong transfer pengetahuan kepada mitra terkait pentingnya perawatan alat secara berkala. Secara keseluruhan, kegiatan PkM ini memberikan solusi aplikatif yang berdampak langsung pada peningkatan produktivitas dan daya saing IKM berbasis potensi lokal.
Efficient Strategy for Distribution Transformer Replacement: A Study on Replacement Methods in Power Systems Rahmawati, Nur Asmi
Jurnal ELTIKOM : Jurnal Teknik Elektro, Teknologi Informasi dan Komputer Vol. 9 No. 2 (2025)
Publisher : P3M Politeknik Negeri Banjarmasin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31961/eltikom.v9i2.1526

Abstract

A dependable and efficient electric power distribution system is increasingly required due to growing industrial and population demand. Many distribution transformers currently in use are outdated, which increases operating expenses and reduces efficiency. This study examines the issue of determining the most cost-effective time to replace aging distribution transformers to optimize operational expenses and enhance service performance. The purpose of this study is to calculate the annual operating costs of dis-tribution transformers at PT PLN (Persero) Makassar Branch and to identify the optimal replacement time to support more effective decision-making. Using an economic feasibility analysis based on the annuity method and linear regression, this study compares the annual operating costs of old transformers with those of new ones. The findings indicate that the annual cost of old transformers is higher than that of new ones, suggesting that replacing old transformers is more economical. The results show that operating expenses can be reduced and distribution efficiency improved through a systematic transformer replace-ment approach. Based on economic engineering analysis, this study provides a practical and relevant model for transformer replacement decision-making that can assist asset management and investment planning in the power industry.
Co-Authors Kamaruddin Kamaruddin Mega Fia Lestari Sitanggang, Boy Chandra SUHAEBRI, TINO Supu, Abd Rachman SYAFAR, A. MUHAMMAD