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All Journal SENTIA 2015 Jurnal Jaringan Telekomunikasi Jurnal Pengabdian Polinema Kepada Masyarakat Jurnal Pengabdian Kepada Masyarakat Jurnal ELTEK ELPOSYS: Jurnal Sistem Kelistrikan Jurnal Teknik Ilmu dan Aplikasi Jurnal Pengabdian Kepada Masyarakat
Rahman Azis Prasojo
Politeknik Negeri Malang
Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Mechanical Engineering Social Sciences Other

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RANCANG BANGUN SEL UJI PENUAAN TERMAL DIPERCEPAT SISTEM ISOLASI TRANSFORMATOR Rahman Azis Prasojo; Kresna Bayu Priambodho; Rohmanita Duanaputri; Galuh Prawestri Citra Handani
Jurnal Teknik Ilmu dan Aplikasi Vol. 3 No. 2 (2022): Jurnal Teknik Ilmu dan Aplikasi
Publisher : Politeknik Negeri Malang

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Abstract

Sistem isolasi transformator berupa kertas terendam minyak, adalah bagian yang paling penting dari suatu transformator. Sistem isolasi ini perlu dipastikan memiliki karakteristik yang sesuai, dan tahan terhadap stress karena operasi transformator. Metode yang paling umum digunakan untuk evaluasi masa pakai isolasi adalah uji penuaan termal dipercepat. Kertas terendam minyak isolasi disegel dalam bejana dengan rasio tertentu lalu dipanaskan dalam oven termal untuk mempercepat penuaan. Penelitian ini bertujuan mengembangkan Accelerated Ageing Chamber untuk evaluasi kinerja sistem isolasi transformator. Sel uji yang dikembangkan mampu mencapai set-point 150 derajat C dalam 16 menit, dan menjaga pada suhu tersebut hingga akhir masa eksperimen.
Rancang Bangun Mesin Sangrai Sampel Biji Kopi Elektrik Kapasitas 250 Gram Heri Sungkowo; Rahman Azis Prasojo; Dinda Ayu Amalia; Rahmad Dwi Pramudya; Muhammad Fahmi Hakim; Bakti Indra Kurniawan; Sukamdi
Elposys: Jurnal Sistem Kelistrikan Vol. 10 No. 3 (2023): ELPOSYS vol. 10 no. 3 (2023)
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/elposys.v10i3.3942

Abstract

Coffee is one of the beverages with a distinct flavor profile. Coffee production continues to grow in response to community demands. A wide variety of coffee flavors have been developed, necessitating an effective coffee processing method, such as roasting. While many coffee production processes employ roasting machines with high capacities, smaller industries may incur losses when using such machines due to their production needs, which involve creating new coffee flavor samples. To address these challenges, a solution is proposed: the creation of a drum-based coffee bean sample roasting machine that utilizes the convection method. The machine manufacturing process involves calculating the drum capacity, heater specifications, motor rotation, and air flow. A 2000 Watt heater is chosen, accompanied by a maximum drum capacity of 250 grams. The driving motor is a 12 V DC motor. The combined power of the motor components totals 1520 Watts, and the overall heating capacity can achieve temperatures of up to 300ºC. Performance testing of the roasting machine is conducted under conditions where all components are functioning correctly. The final roasting results exhibit even distribution, with a preheating temperature range of 190-200ºC for approximately 15 minutes roasting time.
Pemasangan Lampu Penerangan Jalan Dan Running Text Pada Gapura Perumahan Landungsari Indah Kabupaten Malang Mochammad Mieftah; Dhimas Dhesah Kharisma; Rahman Azis Prasojo; Epiwardi Epiwardi; Anang Dasa Novfowan
Jurnal Pengabdian kepada Masyarakat Vol. 9 No. 1 (2022): JURNAL PENGABDIAN KEPADA MASYARAKAT 2022
Publisher : P3M Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/jabdimas.v9i1.153

Abstract

The installation of lighting and running text in the housing gate is expected to provide lighting around the gate so that it is clearly seen if there are vehicles passing by. In addition, with the upgrade of the information board using an electronic board (running text) it becomes very clear and beautiful both in the morning and at night.
Co-Authors Agung Fiqh Paramonta Islam Amaral, Hanifiyah Darna Fidya Anang Dasa Novfowan Anang Dasa Novfowan Anton Setya Aji Herdiansyah Awan Setiawan Bakti Indra Kurniawan Devi Soviati Mahmudah Dhimas Dhesah Kharisma Dhimas Kharisma Dinda Ayu Amalia Eko Yulianto Epiwardi Epiwardi Epiwardi Epiwardi Epiwardi Fahmi Hakim, Muhammad Galuh Prawestri Citra Handani Gatot Joelianto Hafiz Furqoni Hari Kurnia Safitri Irwan Heryanto/Eryk Jamik Apriliasari Kresna Bayu Priambodho Kresna Bayu Priambodo Liska Safarina Mochammad Mieftah Muhammad Akmal Afibuddin Putra Muhammad Fahmi Hakim Neelmani Neelmani Nurhadi - Priya Surya Harijanto Rahmad Dwi Pramudya Ridzki, Imron Rohmanita Duanaputri Rosina Ahda Dini Sukamdi Sukamdi Sungkowo, Heri