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All Journal SITEKIN: Jurnal Sains, Teknologi dan Industri Jurnal Informatika dan Teknik Elektro Terapan INTECOMS: Journal of Information Technology and Computer Science Journal of Applied Engineering and Technological Science (JAETS) INFOKUM Jurnal Scientia Journal of Electrical Engineering and Computer (JEECOM) Instal : Jurnal Komputer Jurnal Info Sains : Informatika dan Sains Jurnal Pengabdian Masyarakat Bestari (JPMB) Jurnal Nasional Teknologi Komputer Jurnal Media Computer Science Jurnal Komputer Teknologi Informasi Sistem Komputer (JUKTISI) Jurnal Multidisiplin Sahombu Prosiding Seminar Nasional Teknik UISU (SEMNASTEK) Adpebi International Journal of Multidisciplinary Sciences Power Elektronik : Jurnal Orang Elektro Journal Serambi Engineering (JSE) Journal of Engineering, Electrical and Informatics
Parlin Siagian
UNIVERSITAS PEMBANGUNAN PANCA BUDI
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Analysis of Energy Consumption and Electrical Power Efficiency on Conventional and CNC Lathes at CV Wakinara Teknik Rifky Maulana; Rahmaniar, Rahmaniar; Parlin Siagian
Jurnal Info Sains : Informatika dan Sains Vol. 16 No. 02 (2026): Info sains, 2026
Publisher : SEAN Institute

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Abstract

This research is motivated by the high consumption of electrical energy in the machining process that has not been balanced with an analysis of power usage efficiency, especially on conventional lathes and CNC machines at CV Wakinara Teknik. The lack of monitoring and evaluation of energy consumption leads to potential electricity waste and suboptimal machine utilization in production activities. Therefore, this study aims to analyze the energy consumption and level of electrical power efficiency on both types of machines to determine the comparison of energy performance and potential savings opportunities. The research method used includes direct measurement of electrical parameters such as voltage, current, power, and power factor during the machine operation process. The data obtained are then analyzed to calculate energy consumption and power usage efficiency on each machine. In addition, a comparison of energy consumption characteristics between conventional and CNC lathes is conducted under similar workload conditions. The results show that CNC machines tend to have more stable energy consumption and higher power efficiency than conventional lathes, although under certain conditions their power consumption is greater due to the use of an automatic control system. Meanwhile, conventional lathes have higher fluctuations in energy consumption and relatively lower efficiency. These findings indicate that the application of CNC machines can improve energy efficiency in production processes, as well as provide a basis for developing more optimal energy management strategies in industrial environments.
Design, Simulation, and Performance of Afsrg 8/8 in an Electric Power Generation System with Low Speed Drive Rafles Prasuki Pasaribu; Parlin Siagian; Rahmaniar, Rahmaniar
Jurnal Info Sains : Informatika dan Sains Vol. 16 No. 02 (2026): Info sains, 2026
Publisher : SEAN Institute

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Abstract

Low-speed micro-hydro power plants require generators with high starting torque, good efficiency, and the ability to operate at low rotational speeds. This study designs and builds an Axial Flux Switched Reluctance Generator (AFSRG) with an 8/8 configuration to address those needs. AFSRG was chosen for its simple structure, robustness, and magnet-free operation. The methodology included geometric design using CAD software, electromagnetic simulation using FEMM, and experimental testing in a micro-hydro setup. The results show that the 8/8 AFSRG can generate 48V at 300 rpm with a system efficiency of 78%. AFSRG is feasible for use in remote micro-hydro power generation applications with low-speed water flow.
Co-Authors Abdul Razak Ahmad Ahmad Ansari Amini Ahmad Fauzan Akbar Wirayuda Alam, Hermansyah Alex Sumanijaya Saragih Amani Darma Tarigan Andri F M Siahaan Apda Eriansyah Ardiansyah, Luvan Aritonang, Yogi Syahputra Ariyanto Gultom B. Siahaan, Alfi Santun Bastanta Tarigan Beni Satria Benri Purba Bertauli Br Simorangkir Charles Simanullang Dalimunthe, M. Erpandi Dalimunthe, Muhammad Erpandi David Siringoringo Denny Syahputra Dicky Lesmana Dicky Lesmana Dwi Permata Sari Eko Toni Hagler Simamora Erpandi Dalimunte Fachrur Rizki Fadel Muhammad, Fadel Fahlevi, T. Shandy Putra Fahreza, Muhammad Fitria Anis Frasasti, Ridho Anggu hafit, ilhan Hamdani Hamdani Hamdani Harfan Diansyah Haris Gunawan Haris Gunawan Hermansyah Alam Hermansyah Alam Hermansyah Alam Ilham Hardiansyah Y. S Kholaful Ahmad Harahap M. Fadlan Maulana, Rifky Mhd Erpandi Dalimunthe Mhd Idris Muchamad Affan Muhamad Vickry Almuhtadi Billah Muhammad Ady Pratama Muhammad Erpandi Dalimunthe Muhammad Fahreza Muhammad Renaldy Nimas Deria Wijayanti Nugraha, Satria Pasaribu, Waldi Prabowo Putra, Randi Rian Rafles Prasuki Pasaribu Rahmaniar Rahmaniar Rahmaniar Rahmaniar, Rahmaniar Rianto Wijaksana Silalahi Ridho Anggu Frasasti Ridho Anggu Frasasti Ridho Anggu Frasasti Ridho, M. Riko Putra Ananta Tarigan Rizinski Khaliksi Saragih, Naya Sari Simatupang, Gidion Siregar, Bahtiar Sitepu, Bernike Patresia Siti Anisah Solly Aryza Syafruddin H.S. Tanjung, Munawar Sajali Tanjung, Munawir Sajali Tengku Mughayat Syah Falah Wahyu Pranata Wibowo, Pristisal Yoel Wesly Dirney Lumbantoruan Zuraidah Tharo