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All Journal ELPOSYS: Jurnal Sistem Kelistrikan
Hariz Santoso, Asfari
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Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering

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Desain Motor Kapasitor Dua Fasa Simetris 1 kW Hariz Santoso, Asfari; Ananto, Rhezal Agung; Hermawan, Ahmad; Dali, Sri Wahyuni
Elposys: Jurnal Sistem Kelistrikan Vol. 11 No. 1 (2024): ELPOSYS vol. 11 no. 1 (2024)
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/elposys.v11i1.4507

Abstract

Single phase induction motors are one of the most frequently used types of motors because of their economical, sturdy, simple and easy maintenance advantages. One application is for electric vehicles. When single phase induction motors are applied to electric vehicles there are problems related to torque regulation based on vehicle operating conditions where when operating on light road conditions the torque produced by the motor remains high. In this research, a single-phase induction motor was made to have the same proportion of torque produced by the main coil and auxiliary coil or a 1kW 1000 rpm symmetrical two-phase induction motor. The type of winding applied to the stator is divided screws with the main and auxiliary coils each occupying 18 stator slots, 45 conductors per slots,, with a conductor diameter of 1.2 mm. As a phase shifter at start and operation so that they differ by 90°, a capacitance of 505.51 µF is used. As a result of the winding modification, the induction motor parameter values ​​for each stator winding are the same. So the starting torque of the main and auxiliary coils is 3.89 Nm and 3.88 Nm respectively and the nominal torque produced by the main and auxiliary coils is 4.28 Nm and 4.29 Nm respectively.
Rancang Bangun Thermoelectric Generator (TEG) Sebagai Suplai Daya Alternatif Germinasi Kacang Hijau Ridzki, Imron; Hariz Santoso, Asfari; Awan Setiawan; Wijaya Kusuma
Elposys: Jurnal Sistem Kelistrikan Vol. 11 No. 1 (2024): ELPOSYS vol. 11 no. 1 (2024)
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/elposys.v11i1.4581

Abstract

The central government has established the National Energy Policy (KEN) to increase the utilization of renewable energy sources (EBT) by around 23% by 2025 and 31% by 2050. In an effort to support the government's program, researchers have developed a Thermoelectric Generator (TEG) as an alternative power supply to replace the energy source from PT PLN for electrical equipment used in the green bean germination process such as lights, fans, and water pumps. This prototype consists of two chambers: a combustion chamber that generates electrical energy and a control room for the germination process. These two areas are separated to ensure that the control device and germination process are not affected by the heat from combustion. The main components of this prototype include ten TEG units with a maximum power of 5.2 W, a 33 Ah battery, an 8A Buck-boost converter, a 3A Buck converter, a 6W Full Spectrum LED, four DC fans, and a DC pump. The TEG functions effectively as the germination process proceeds smoothly.
Perilaku Dinamik Motor Induksi Pada Dual Frequency Supply Hariz Santoso, Asfari; Imron Ridzki; Lukman Hakim; Popong Effendrik; Priya Surya Harijanto; Adam Amrullah Wijaya
Elposys: Jurnal Sistem Kelistrikan Vol. 12 No. 1 (2025): ELPOSYS vol. 12 no. 1 (2025)
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/elposys.v12i1.6384

Abstract

The application of induction motors is currently very broad, one of which is in the fertilizer industry as a motor for vibrating screens with an auto clean mechanism. In this application, the induction motor is operated with two frequency values of 50 Hz during screening and 60 Hz during the auto clean process. The difference in frequency affects the dynamic characteristics of the induction motor. Especially when operated above the rated frequency, it will result in an increase in motor temperature so that regular monitoring of the motor temperature is needed. This study produces the dynamic characteristics of the motor when the supply frequency is 50 Hz with a transient condition duration of 0.5 seconds and a torque at steady state conditions of 25.89 Nm, while when the supply frequency is 60 Hz the transient condition duration is 0.5 seconds with a torque at steady state conditions of 31.03 Nm.
Co-Authors Adam Amrullah Wijaya Ananto, Rhezal Agung Awan Setiawan Hermawan, Ahmad Imron Ridzki Lukman Hakim Popong Effendrik Priya Surya Harijanto Ridzki, Imron Sri Wahyuni Dali Wijaya Kusuma