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All Journal Jurnal Simetris R.E.M (Rekyasa Energi Manufaktur) Jurnal Prosiding Seminar Nasional Teknoka Piston: Journal of Technical Engineering ADI Journal on Recent Innovation (AJRI) JTIULM (Jurnal Teknologi Informasi Universitas Lambung Mangkurat) International Journal of Electrical, Energy and Power System Engineering (IJEEPSE) Jurnal Elektra Fidelity : Jurnal Teknik Elektro Ramatekno Journal of Community Service (Abdisci) Journal Of Engineering Sciences (Improsci)
Asmoro, Purwandito Tulus
Politeknik Enjinering Indorama
Religion Aerospace Engineering Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering Other

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RANCANG BANGUN TRAINER PERBAIKAN FAKTOR DAYA PADA BEBAN VARIATIF DENGAN SISTEM KENDALI MANUAL Hasanah, Nurriza kholifatulloh; Asmoro, Purwandito Tulus; Hadisantoso, Feri Siswoyo; Permana , Rizki
JURNAL RAMATEKNO Vol 4 No 2 (2024): Ramatekno_vol_4_no_2
Publisher : LPPM Politeknik Enjinering Indorama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61713/jrt.v4i2.205

Abstract

Kualitas daya listrik merupakan aspek penting dalam operasi sistem tenaga listrik, terutama dengan bertambahnya beban industri setiap tahunnya. Faktor daya berkaitan erat dengan kualitas daya listrik, apabila faktor daya bernilai mendekati 1 itu berarti sistem memiliki kualitas daya yang baik. Pada penlitian ini bertujuan untuk merancang trainr prbaikan faktor daya dengan kapasitor pada beban variatif. Dari hasil perancangan trainr dibuat dirancang dengan 3 buah kapasitor yang disusun secara seri. Hasil pngujian dengan beban variatif alat dapat bekerja secara efektif dan dapat meningkatkan faktor daya dari 0,41 menjadi 0,99.
The Power Factor Optimization with Cos Phi Mode Trainee Pratama, Aziz Yulianto; Wahyu Asry, Dieta; Usman, Dani; Tulus Asmoro, Purwandito; Siswoyo , Feri
Jurnal Improsci Vol 2 No 2 (2024): Vol 2 No 2 October 2024
Publisher : Ann Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62885/improsci.v2i2.475

Abstract

The power factor cos phi measures the efficiency of using electrical power in a system. A low power factor indicates the presence of high reactive power consumption, which can lead to increased energy losses and operational costs. To overcome this problem, an effective power factor regulation system is required. This research designed and developed the Cos Phi Trainer, which operates in two modes, manual and automatic, to improve the power factor at an electrical load. The system is designed to give users a practical understanding of measuring and improving power factors by setting up compensation capacitors. In manual mode, the user directly sets the value of the capacitor used to fix the power factor. While in automatic mode, the system uses current and voltage sensors to measure the power factor value in real-time and automatically adjusts the capacitor to achieve the optimal power factor. The trainer has an easy-to-use interface and a measurement panel that displays important parameters such as current, voltage, active power, reactive power, and power factor. The test results show that the system can significantly increase the power factor in manual and automatic modes. Thus, this Cos Phi Trainer is an effective tool for training in the laboratory of Indorama Engineering Polytechnic and teaching about electrical power management and energy loss reduction in the electrical system.   Keywords: Power factor, manual, active power, reactive power, trainer
Pengaruh Integrated Circuit Pada Rangkaian Fastcharging Baterai Mobil Listrik Tulus Asmoro, Purwandito; Dieta Wahyu Asry Ningtias; Widodo; Aziz Yulianto Pratama; Ali nur Fatoni
JURNAL RAMATEKNO Vol 5 No 1 (2025): Jurnal Ramatekno
Publisher : LPPM Politeknik Enjinering Indorama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61713/jrt.v5i1.222

Abstract

Transportation is the most important need in the mobility of fulfilling people's needs. The increasing number of transportation has an impact on environmental degradation, especially air pollution. Based on the Ministry of Environment and Forestry (KLHK), transportation contributes more than 20% of the total Carbon Dioxide (CO2) emissions in Indonesia. This is caused by conventional transportation or vehicles that use oil fuel (BBM). In addition to polluting the air, the use of conventional vehicles also triggers respiratory diseases that will worsen the quality of human life. Electric cars are one solution to overcome this problem because electric cars do not emit carbon emissions. Electric cars continue to be developed through industrial technology research including fast charging circuit architecture topology, power flow, and protection. Fast charging or fast charging of electric car batteries is needed to increase comfort, efficiency, and speed up time. Electric cars that have been designed by the Electrical Technology of the Indorama Engineering Polytechnic require a compatible fast charging circuit. The study aims to analyze the effect of Integrated Circuit (IC) 7805 and IC 7812 on fast charging of electric battery cars. The results of the study showed that the best performance criteria were obtained in the fast charging circuit using the IC 7805. A more stable voltage profile compared to circuits without IC, with an average of 12V. The current flowing is also high, which is 4 amperes, compared to other circuits, so that the charging time is faster, which is 8.75 hours compared to the circuit without IC, which takes 9.64 hours to charge the battery. Therefore, the addition of IC 7805 is proven to be compatible in the fast charging circuit of electric car batteries.
BLYNK-BASED REMOTE LIGHT CONTROL WORKSHOP FOR VOCATIONAL / HIGH SCHOOL STUDENTS IN PURWAKARTA Usman , Dani; Pratama, Aziz Yulianto; Hasanah, Nurriza Kholifatulloh; Asmoro, Purwandito Tulus; Ningtias, Dieta Wahyu Asry; Santoso, Feri Siswoyo Hadi; Setiawan, Iwan; Hendrawan, Danang
Jurnal Abdisci Vol 2 No 4 (2025): Vol 2 No 4 Tahun 2025
Publisher : Ann Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62885/abdisci.v2i4.650

Abstract

Background. Community service activities, including a Blynk-Based Remote Light Control Workshop, were held on October 14, 2024, at the Indorama Engineering Polytechnic, Purwakarta. This activity is intended for SMK/SMA students in the Purwakarta area and aims to introduce Internet of Things (IoT) technology and its application in daily life. Aim. In this workshop, participants were given an understanding of the basic concepts of IoT and trained to create a simple project, namely the remote control of lights using the Blynk application and the NodeMCU microcontroller. Methods. The training sessions include introducing the Blynk app, user interface settings, and how to connect electronic devices to the internet network. This activity is carried out interactively, combining theory and hands-on practice. Result. The activity results show that students can understand the basic concepts of IoT and successfully create a light control project independently. The high enthusiasm of the participants is an indicator of the workshop's success in increasing students' interest and skills in the field of IoT technology. Implementation. This activity is expected to motivate students to continue to develop their technical skills and foster awareness of the importance of technological innovation in the digital era.
Hybrid Electric Power Plant Using Wind Turbine Savonius Helix and Solar Cell as an Alternative Power Source in the Lightning Tower at Flashing Lights Suryadi, Aris; Asmoro, Purwandito Tulus; Solihin, Ahmad
ADI Journal on Recent Innovation Vol. 1 No. 1 (2019): September
Publisher : ADI Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (433.147 KB) | DOI: 10.34306/ajri.v1i1.3

Abstract

Electrical Energy is a very important need, but the electrical energy we use today still comes from conventional power plants that have negative threats such as pollution and fossil fuel reserves that are decreasing. To overcome this, by utilizing alternative energy that is environmentally friendly, one of them is wind energy and solar energy. Hybrid power plants use savonius helix wind turbines and solar cells are made to minimize the use of conventional energy. This tool utilizes wind and solar energy as the main media of electricity generation. The wind turbine which is made is a type of helix savonius vertical turbine that has a large torque, can rotate with low wind speed with a turbine size 80 cm high, diameter 25 cm which is connected to the generator and mounted on mechanical construction with a height of 200 cm and mounted control panel and solar cell with a capacity of 20 WP. This study aims to develop the potential of alternative energy as a power generation medium and be used as a source of flashing lights in the Indorama Engineering Polytechnic lightning tower tower. Savonius helix wind turbines that are designed require a minimum wind speed of 2.45 m / s for the start of the turbine rotation. Generating from the generator produces a maximum voltage of 18.64 V with a generator rotation of 304 rpm when not loaded and when loaded produces a maximum spin voltage of 281.3 rpm, 11.73 V voltage and 0.038 W power with a wind speed of 5 m/s. From the results of testing this hybrid power plant can be used for flashing lights on the lightning rod tower of the Indorama Polytechnic Engineering campus with a duration of 12 hours per day
Analysis of the Effect of Adding a Water Heater to the R290 Split Air Conditioning Instead of R22 Widodo; Nulhakim, Lukman; Syafrizal; Tauvana, Ade Irvan; Kurnia, Deva Arya; Asmoro, Purwandito Tulus
Piston: Journal of Technical Engineering Vol. 8 No. 2 (2025)
Publisher : Program Studi Teknik Mesin Universitas Pamulang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32493/pjte.v8i2.48846

Abstract

The heat generated by split air conditioning (AC-Split) is sufficiently high to be utilized as a heat exchanger. The installation of a heat exchanger device, referred to as an Air Conditioning Water Heater (ACWH), is used to heat water in a tank by utilizing the waste heat from the condenser. In this study, refrigerant R290 will be used as a replacement for R22, with the aim of eliminating the Ozone Depleting Potential (ODP) and Global Warming Potential (GWP) associated with R22. Calculations are carried out to ensure the performance of the split AC by testing each refrigerant, R22 and R290, installed in the heat exchanger system. The test data is calculated and analyzed based on the performance on the vapor compression diagram. The results of the performance calculations of each R290/R22 refrigerant COP: 9.7/6.4, compression work: 28.7/25.72 kJ/kg, cooling effect, and electrical power: 881/976 Watts. The calculation results of R290 have better performance compared to R22, especially in electrical power. R290 is 10% lower than R22, COP is 34% higher, and it is ODP and GWP-free.
Efficiency and Electrical Power Consumption of Prototype-2 Gasification Stove Fueled by Used Cooking Oil Purwandito Tulus Asmoro; Dani Usman; Feri Siswoyo Hadisantoso; Dwi Nurcahyo; Gimas Sahrul Sopanji
R.E.M. (Rekayasa Energi Manufaktur) Jurnal Vol 10 No 2 (2025): December
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/r.e.m.v10i2.1779

Abstract

Abstract. Currently, society and the business still rely on 3 kg and 12 kg LPG gas stoves for cooking. And the supply of LPG in Indonesia is 6.7 million tons, or about 77%; it is still imported from abroad. On the other hand, used cooking oil (Used Cooking Oil/UCO) produced in Indonesia is around 1.2 million kiloliters per year, which proves that Indonesia has a fairly abundant supply of used cooking oil. This used cooking oil, if still used for frying, can be harmful to health, and if disposed of in the environment, will pollute water and soil. Therefore, an innovation arose to create a gasification stove by utilizing waste-used cooking oil that is no longer used as fuel for the stove as a form of appropriate technology that is sourced from renewable energy that is environmentally friendly. This study aims to analyze the efficiency of used cooking oil stoves using the Water Boiling Test (WBT) method, where testing and analysis were carried out using 3 samples of 1 liter of water volume. The test and analysis results showed that the average thermal efficiency was 54.4%, exceeding the minimum requirement of 50%, according to the SNI 8660:2018 standard. The average Fuel Consumption Rate (FCR) value was 0.44 liters/hour, and the average input power (Pin) was 3.58 kW, exceeding the average input power for LPG gas stoves of 2.37 kW. Meanwhile, the electrical power required to operate the stove was 430.1 Watts.
Simulasi dan Rancang Bangun Power Supply Variabel Berbasis MATLAB: Simulasi dan Rancang Bangun Power Supply Variabel Berbasis MATLAB pratama, Aziz Yulianto; Asmoro, Purwandito Tulus; Feri Siswoyo, Feri; Ishak, Muhammad; Adha, Rizky Idul; Saputra, Iman
JURNAL RAMATEKNO Vol 5 No 2 (2025): Jurnal_Ramatekno_vol_5_no_2_2025
Publisher : LPPM Politeknik Enjinering Indorama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61713/jrt.v5i2.265

Abstract

Penelitian ini membahas simulasi dan rancang rangkaian power supply variabel berbasis TIP41C (NPN) dengan pendekatan analisis teoritis, simulasi menggunakan MATLAB dan desain menggunakan Proteus, serta pengujian hasil aktual. Tujuan utama dari penelitian ini adalah untuk membandingkan hasil tegangan keluaran dari ketiga metode tersebut guna menilai tingkat akurasi dan kinerja rangkaian yang dirancang. Proses perancangan meliputi penentuan komponen utama seperti transformator, penyearah, kapasitor filter, serta resistor dan potensiometer sebagai pengatur tegangan keluaran. tahap awal dilakukan menggunakan proteus untuk desain dan memverifikasi fungsi rangkaian secara keseluruhan, sedangkan simulasi MATLAB digunakan untuk melakukan analisis numerik dan validasi model matematis terhadap karakteristik keluaran power supply. Berdasarkan hasil perbandingan antara tegangan output teoritis, hasil simulasi MATLAB, dan hasil pengukuran aktual, diperoleh bahwa simulasi MATLAB memiliki tingkat akurasi tinggi dengan error relatif kecil, berkisar antara 0,40% hingga 0,90% dengan rata-rata 0,67%. Sementara hasil pengukuran nyata menunjukkan error sedikit lebih besar, yaitu antara 0,00% hingga 3,83% dengan rata-rata 1,25%. Selisih tersebut disebabkan oleh toleransi komponen, rugi daya internal regulator LM317, penurunan tegangan pada sambungan kabel dan jalur PCB, serta pengaruh suhu dan ketelitian alat ukur. Secara keseluruhan, hasil penelitian menunjukkan bahwa rangkaian power supply variabel berbasis TIP41C (NPN) yang dirancang memiliki kinerja yang baik, stabil, dan mampu menghasilkan tegangan keluaran yang dapat diatur sesuai kebutuhan
Co-Authors Adha, Rizky Idul Ahmad Solihin Ali nur Fatoni Aris Suryadi Dani Usman Dwi Nurcahyo Emmanuel Agung Nugroho Feri Siswoyo, Feri Gimas Sahrul Sopanji Hadisantoso, Feri Siswoyo Hasanah, Nurriza Kholifatulloh Hendrawan, Danang Iwan Setiawan Kurnia, Deva Arya Lukman Nulhakim Muhammad Ayat Hidayat Muhammad Ishak Ningtias, Dieta Wahyu Asry Nur , Rizki Permana , Rizki Pratama, Aziz Yulianto Roja Raihan Santoso, Feri Siswoyo Hadi Saputra, Iman Sarosa Castrena Abadi Siswoyo , Feri Sofwan, Agus syafrizal Usman , Dani Usman, Dani Wahyu Asry, Dieta Widodo