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All Journal Jurnal Elkolind : Jurnal Elektronika dan Otomasi Industri Jurnal Pengabdian Masyarakat Bidang Sains dan Teknologi Jurnal Polimesin Vokasi UNESA Bulletin of Engineering, Technology and Applied Science
Asepta Surya Wardhana
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Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Electrical & Electronics Engineering Engineering Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Public Health Transportation Veterinary

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Performance Analysis Cooling Tower Type Induced Draft with PVC Plate Filling Material Mochamad Rizky Pradana; Astrie Kusuma Dewi; Natasya Aisah Septiani; Asepta Surya Wardhana; Muhammad Ramdhan; Wendy Triadji Nugroho
Jurnal POLIMESIN Vol 21, No 1 (2023): February
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v21i1.3185

Abstract

In the industry, savings in water use are needed, so that the output water from the condenser will be recirculated for reuse so that it does not need new water. The output of the condenser, which is hot water with a temperature of 45 °C, needs to be conditioned to a normal temperature. So they designed a cooling tower to reduce the temperature of the hot water through direct contact with the air. Filling material is a component that is very influential on the performance of the cooling tower because, in this material, there is direct contact between hot water and dry water in opposite directions. The purpose of this study was to determine the height of the PVC plate filling material that has adequate effectiveness so that the hot water in the cooling process runs optimally. In this study, several tests were carried out that showed the performance of the cooling tower, including range, approach, cooling effectiveness, cooling capacity, and the rate of evaporation of water into the air. So from this research, it was found that the optimal height of fill material is 20 cm, which has the highest relative humidity (RH) of the outgoing air, which is 87.2%, and the lowest exit air temperature of 29.3°C
Telegram Application to Monitor and Control of Automatic Railway Crossing Prototype Using Automatic Transfer Switch Wusandi Janu Ramadhan; Amirullah, Amirullah; Asepta Surya Wardhana
Vokasi Unesa Bulletin of Engineering, Technology and Applied Science Vol. 1 No. 2 (2024)
Publisher : Universitas Negeri Surabaya or The State University of Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/vubeta.v1i2.35391

Abstract

A railroad crossing is a device that functions to close and open roads that limit or stop public traffic lanes so that vehicles stop temporarily and give priority to trains. Failure of a railroad crossing will have fatal consequences because it will cause accidents and cause fatalities, injuries, or other material losses. The accident occurred because there was no equipment or failure of officers when operating the railroad crossing. To overcome these obstacles, the railroad crossing was made automatically. This paper proposes a prototype control of an automatic railroad crossing using an automatic transfer switch (ATS) monitored by the Telegram application. The main power source of the railroad crossing prototype is a photovoltaic generator system consisting of solar modules, inverters, and batteries. ATS is proposed so that the system is able to automatically transfer the power supply from the solar power generator to PLN electricity if the battery voltage is not enough to drive the railroad crossing or vice versa. The results of the study show that the combination of a 50 Wp solar module and a VRLA battery (12V and 12Ah) is able to store and generate electricity to drive the railroad crossing. The INA219 sensor is able to measure the current, voltage, and power of the PV module and battery. Arduino Uno is able to process voltage and current sensor data, send and receive UART data (RX TX), and communicate with ESP8266. Data from ESP8266 can then be sent and monitored remotely by the Telegram application via Arduino-Uno. The results of DC current and DC voltage tests using the INA219 sensor between the Telegram application and Multimeter are able to produce errors below 5%. The Telegram application is also able to monitor the DC voltage and DC current of PV modules and batteries, as well as the DC adapter voltage and DC adapter current from PLN remotely, and the status of opening and closing the railway crossing gate based on the power supply selection by ATS.
Keakurasian Sistem Monitoring Flow Rate Menggunakan Flow Computer Omni 6000 di PT Energi Nusantara Perkasa Zulrahma, Yasmin; Asepta Surya Wardhana
Jurnal Elektronika dan Otomasi Industri Vol. 11 No. 1 (2024): Jurnal Elkolind Vol. 11 No.1 (Mei 2024)
Publisher : Program Studi Teknik Elektronika Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/elkolind.v11i1.5238

Abstract

Di bidang ektraksi LPG perlu adanya peralatan handal yang dipergunakan di stasiun gas, salah satunya dengan penggunaan Flow Computer Omni 6000 yang berfungsi sebagai kalkulator gas flowrate yang ditransmisikan, serta dapat mengetahui komposisi gas yang ditransmisikan ke konsumen. Penggunaan teknologi Flow Computer dalam memonitor laju aliran pada proses industri menjadi alternatif yang efektif karena mampu memberikan pengukuran yang lebih akurat, cepat, dan terpercaya. Flow Computer dapat menghasilkan pengukuran data yang akurat dan terus menerus, sehingga dapat membantu meningkatkan efisiensi produksi dan mengurangi kerugian produksi. Oleh karena itu, penulis tertarik untuk mengambil judul “Keakurasian sistem monitoring Flow Rate menggunakan Flow Computer OMNI-6000 di PT. Energi Nusantara Perkasa” dan melakukan sistem monitoring laju aliran gas dibutuhkan data-data yang akurat agar memperoleh hasil yang sesuai dengan kondisi lapangan.
Pemanfaatan Panel Surya Untuk Pompa Irigasi Tanaman di Area Perhutani Jatirejo Cepu Asepta Surya Wardhana; Ayende, Ayende; Pujianto, Pujianto; Roni Heru Triyanto; Astrie Kusuma Dewi
ABDIKAN: Jurnal Pengabdian Masyarakat Bidang Sains dan Teknologi Vol. 2 No. 4 (2023): November 2023
Publisher : Yayasan Literasi Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55123/abdikan.v2i4.2691

Abstract

Indonesia is an agricultural country with a broad forest area with agricultural areas everywhere and evenly distributed. The Cepu Subdistrict area has fairly broad and has not been fully utilized maximally. The main priority faced by consistent water needs to maintain soil fertility. Solution This need is needed a good irrigation system during the dry season. Conventionally the use of diesel water pumps with fuel for agricultural irrigation systems is needed expensive and ineffective. The utilization of solar power for water pumps is one of the alternatives to reliable, efficient, effective, and efficient solutions to keep the irrigation system running well during the dry season. This service has successfully implemented the use of solar panels of 200WP to run a submersible pump with a depth of ± 4 meters infiltration well. This applied technology uses a timer automation system that runs pump performance during the day. For irrigation systems, implement an automation system in water with 2: 1 where 2 hours of watering and 1-hour filling water reservoir. This application can improve the planting results from farmers around Perhutani land. The land that is originally difficult with water will guarantee the water needs during the dry period.
Co-Authors Amirullah -, Amirullah Astrie Kusuma Dewi Astrie Kusuma Dewi Astrie Kusuma Dewi Ayende, Ayende Mochamad Rizky Pradana Muhammad Ramdhan Natasya Aisah Septiani Pujianto Pujianto Roni Heru Triyanto Wendy Triadji Nugroho Wusandi Janu Ramadhan Zulrahma, Yasmin