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All Journal JURNAL KESEHATAN LINGKUNGAN (Journal of Environmental Health) Technomedia Journal Jurnal Serambi Engineering Jurnal Aisyah : Jurnal Ilmu Kesehatan Jurnal Syntax Transformation JOURNAL SCIENTIFIC OF MANDALIKA (JSM) Jurnal Penelitian Inovatif Jurnal Rekam Medis dan Manajemen Informasi Kesehatan Ramatekno Journal Of Engineering Sciences (Improsci)
Pratama, Aziz Yulianto
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Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mechanical Engineering Medicine & Pharmacology Nursing Public Health Social Sciences Veterinary Other

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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.
Health Information : A Survey Study of Rat Vector in the Working Area of The Port Health Office Class II, Tarakan City Irayanti, Irayanti; Firmansyah, Yura Witsqa; Widyantoro, Wahyu; Pratama, Aziz Yulianto; Rachmawati, Ike; Lewinsca, Maurend Yayank; Ramadhansyah, Muhammad Fadli
Jurnal Rekam Medis & Manajemen Infomasi Kesehatan Vol. 2 No. 1 (2022): Juni 2022
Publisher : Universitas Nasional Karangturi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (165.315 KB) | DOI: 10.53416/jurmik.v2i1.69

Abstract

Rats are carriers and breeding grounds for a variety of parasites. The existence of a large population of rats can cause zoonotic diseases. This research is a survey and identification of the presence of rats in the Tarakan Class II Port Health Office Juwata Tarakan Airport and Port Working Area as an effort to prevent zoonotic disease caused by rat vectors. This research is descriptive with quantitative data types, measuring the presence of rats for 4 days and identification of rat species using survey and observation data collection methods. The results showed that the rats caught were still in low numbers with the types of rats caught being Rattus rattus and Rattus novergicus. Observation of the area showed that poor sanitation conditions, the density of piles of goods, sewerage, and the distance between the trash can and the canteen were opportunities for rats
Sistem Monitoring Energi Listrik Menggunakan Sensor Hlw8012 Dan Mikrokontroler Aziz Yulianto Pratama; Iwan Setiawan; Danang Hendrawan; Wahyu Yanuar Rizky
Journal Scientific of Mandalika (JSM) e-ISSN 2745-5955 | p-ISSN 2809-0543 Vol. 6 No. 3 (2025)
Publisher : Institut Penelitian dan Pengembangan Mandalika Indonesia (IP2MI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/10.36312/vol6iss3pp552-557

Abstract

Electronic equipment created today is synonymous with the use of electricity as an energy source. This will lead to an increase in the use and demand for electric energy for the use of electrical equipment every day. In addition, the availability of electrical energy is currently limited. These conditions require to economize on the use of electricity. Savings can be made when someone knows how much energy is used every day. To overcome this problem, a measuring instrument was designed in the form of a Wattmeter which has a real-time measurement system that can monitor the use of electric power every day through this tool and measurement data can also be accessed via a smartphone. This wattmeter uses an all in one sensor, namely the Hlw 8012 energy meter to measure RMS current, RMS voltage, and VA RMS equipped with Clock and PWM. From the results of these data will be uploaded to a cloud and then monitored through the blink application which has been designed to display data in the form of numbers and graphics according to the results on the tool. The results of measurement and monitoring of the tool that has been made using the Hlw 8012 sensor by obtaining 2 sensor data values ​​(current and voltage) are obtained for very good voltage values ​​between 0 - 2%, while for current values ​​reaching 5-10%. Error error in the current value due to the pulse output from the HLW8012 IC, thus causing an error in the power value, as well as the tolerance value of the HLW8012 IC of ± 5%.
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
SISTEM KEAMANAN DAN KENDALI LAMPU RUMAH BERBASIS INTERNET OF THINGS Maya Nur Aulia; Keshawa Udiatma; Wahyu Yanuar Rizky; Aziz Yulianto Pratama
JURNAL RAMATEKNO Vol 6 No 1 (2026): Ramatekno_6_1_2026
Publisher : LPPM Politeknik Enjinering Indorama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61713/jrt.v6i1.317

Abstract

Perkembangan teknologi Internet of Things (IoT) mendorong munculnya sistem rumah pintar yang memungkinkan pengendalian perangkat secara jarak jauh melalui jaringan internet. Namun, pada banyak rumah tangga masih terdapat keterbatasan dalam sistem keamanan dan pengendalian lampu yang umumnya masih dilakukan secara manual serta belum terintegrasi dengan sistem pemantauan jarak jauh yang mudah diakses. Penelitian ini bertujuan merancang dan mengimplementasikan sistem keamanan serta kendali lampu rumah berbasis IoT dengan integrasi aplikasi Telegram Bot sebagai media monitoring dan kontrol. Sistem menggunakan modul ESP8266 untuk mengontrol relay lampu, sedangkan ESP32-CAM yang dipadukan dengan sensor PIR berfungsi mendeteksi pergerakan dan mengirimkan tangkapan gambar secara otomatis ke Telegram. Metode penelitian meliputi tahap perancangan sistem, implementasi perangkat keras dan perangkat lunak, serta pengujian kinerja sistem. Hasil pengujian menunjukkan bahwa sistem mampu mengendalikan lampu dari jarak jauh serta memberikan notifikasi pergerakan beserta gambar secara real-time melalui Telegram. Berdasarkan hasil tersebut, sistem yang dikembangkan dapat meningkatkan aspek keamanan dan efisiensi penggunaan energi pada rumah tangga serta berpotensi menjadi dasar pengembangan sistem smart home berbasis IoT yang lebih terintegrasi dan interaktif.
Perbandingan Setpoint Kecepatan Vsd Berbasis Plc–Hmi Terhadap Kecepatan Aktual Motor Induksi 3 Fasa Mokhamad Is Subekti; Fatkur Rachmanu; Aziz Yulianto Pratama; Abdi Bagus Pangestu
JURNAL RAMATEKNO Vol 6 No 1 (2026): Ramatekno_6_1_2026
Publisher : LPPM Politeknik Enjinering Indorama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61713/jrt.v6i1.328

Abstract

Kalibrasi untuk membandingkan antara setpoint kecepatan VSD (Variable Speed Drive)motor induksi dengan alat ukur penting dilakukan sebelum motor dibebani agar motor berjalan stabil dan sesuai dengan  standard yang ditetapkan. Penelitian ini  membandingkan kesesuaian setpoint kecepatan pada VSD yang diatur oleh PLC (Programmable Logic Controller) – HMI(Human Machine Interface) dengan kecepatan aktual motor induksi tiga fasa pada kondisi tanpa beban. Pengujian dilakukan dengan variasi frekuensi VSD dari yang terkecil sebesar 4 Hz sampai yang terbesar 11 Hz baik pada arah putaran forward maupun reverse. Kecepatan aktual motor diukur menggunakan tachometer digital dan dirata-ratakan dari tiga kali pengukuran. Hasil pengujian menunjukkan bahwa kecepatan aktual motor sedikit lebih rendah dari setpoint akibat adanya slip, dengan nilai rata-rata sebesar 0,398% pada rentang kerja masih berada pada daerah toleransi standar BS 37 sebesar ± 2%. Hasil ini menunjukkan bahwa sistem HMI–PLC–VSD mampu mengatur kecepatan motor secara stabil dan akurat pada kondisi tanpa beban serta pengendalian sesuai standard yang ditetapkan BS 37.
Co-Authors Abdi Bagus Pangestu Adha, Rizky Idul Afdal Hardiyanto Afdal Hardiyanto Aghus Sofwan Agstriningtyas, Alvionitha Sari Agung Budi Prasetijo, Agung Budi Ali nur Fatoni Anna Nur Nazilah Anna Nur Nazilah Chamin Anshah Silmi Afifah Arumdani, Intan Sekar Asmoro, Purwandito Tulus Ayu Widyawati Ayu Widyawati Danang Hendrawan Danang Hendrawan Dani Usman Desti Azhari Doni Setiawan Elanda Fikri Fahmy Ferdian Dalimarta Faoziah, Nina Farida Sugiester S Feri Siswoyo, Feri Fuadi, Mirza Fathan Haneef Nouval Alannibras Humaidi Hanung Nurany Hanung Nurany Hardiyanto, Afdal Hendrawan, Danang Husna, Riyana Ike Rachmawati Ike Rachmawati Ike Rachmawati Irayanti, Irayanti Iryanto, Andika Agus Iwan Setiawan Keshawa Udiatma Khaira Ilma Krismahardi, Adnindya Laliyanto Laliyanto Lewinsca, Maurend Yayank Maurend Yayank Lewinsca Maurend Yayank Lewinsca Maya Nur Aulia Mokhamad Is Subekti Muhammad Fadli Ramadhansyah Muhammad Ishak Muslyana Muslyana Muslyana Muslyana Nanda Ika Vera Marliana Ningtias, Dieta Wahyu Asry Nugroho Susanto Oryza Filial Zulkarnain Rachmanu, Fatkur Rafika Rafika Rafika Rafika Ramadani Sukaningtyas Ramadani Sukaningtyas Ramadani Sukaningtyas Ramadhoni Syahputra Rendi Haditya Roso, Karno Saputra, Iman Siswoyo , Feri Sukaningtyas, Ramadani Sulistyo, Adi Sutra Diyana Usman, Dani Wahyu Asry, Dieta Wahyu Widyantoro Wahyu Yanuar Rizky Wahyu Yanuar Rizky Widodo Widyasmoro Widyasmoro Yura Witsqa Firmansyah Zolanda, Annisa