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Jurnal Elementer (Elektro dan Mesin Terapan)
Published by Politeknik Caltex Riau
ISSN : 24434167     EISSN : 24605263     DOI : https://doi.org/10.35143/elementer
Core Subject : Engineering,
Electrical & Electronics Engineering Engineering Mechanical Engineering
Jurnal ELEMENTER is a National journal providing authoritative sources of scientific information for researchers and engineers in academia, research institutions, government agencies, and industries. We publish original research papers, review articles, and case studies focused on Electrical Engineering, Machine Engineering, and Mechatronics Engineering fields. All papers are peer-reviewed by at least two referees. Jurnal ELEMENTER is published and imprinted by Politeknik Caltex Riau and managed to be issued twice in every volume a year ( May and November ).
Arjuna Subject : Teknik (semua kategori) - Teknik Listrik dan Elektro
Articles 177 Documents
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Modul Crosstalk Untuk Mata Kuliah Praktikum EMC Harpawi, Noptin; M Yanuar Hariyawan; M Susantok
Jurnal ELEMENTER (Elektro dan Mesin Terapan) Vol. 9 No. 1 (2023): Jurnal Elektro dan Mesin Terapan (ELEMENTER)
Publisher : Politeknik Caltex Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35143/elementer.v9i1.5854

Abstract

To get a small PCB size, it is important to put the tracks close together. When a track carries a high frequency signal (EMI source track), then the signal on that track will affect signals on other tracks, which is called the crosstalk phenomenon. The affected track is called the victim track. The result of this phenomenon is the damage to the signal on the victim track. So that the load on the victim track will receive a different signal form compared to the signal form from the source. To see this phenomenon, a module is made which consists of various configurations between the emi source track and the victim track. This configuration is distinguished by the distance between the emi source track and the victim tract, the width of the two tracks, and the length of the parallel path between the two tracks. Based on the test scenario that has been planned, the results of this study show that the highest emission value on the victim occurs when the distance between the tracks is 1 mm, the track width is 10 mm, and the length of the parallel path between the tracks is 95 mm. When the source track is given a square signal with an amplitude of 2.84 V, a frequency of 2.5 MHz, emission is obtained on the victim track is 156 mV (Near End) and 146 mV (Far End). Keywords: Crosstalk, EMC, Victim
Sistem Telemetri Nirkabel Menggunakan Long Range (LoRa) untuk Deteksi Dini Kebakaran Hutan Azwar, Hamid; Muhammmad Diono; Rizadi Sasmita Darwis
Jurnal ELEMENTER (Elektro dan Mesin Terapan) Vol. 9 No. 1 (2023): Jurnal Elektro dan Mesin Terapan (ELEMENTER)
Publisher : Politeknik Caltex Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35143/elementer.v9i1.5866

Abstract

Wireless telemetry has the advantage of increasing productivity in accessing measurement data information in real time even when the user is not at the measurement location. Various types of methods are used to implement the telemetry system. One of the methods used is sending measurement data using Long Range (LoRa). LoRa has a small power consumption and can transmit data over a longer distance compared to Wifi technology. In this research, a prototype telemetry system will be built to transmit forest fire detection sensor data using LoRa communication. The system consists of 2 nodes where the maximum delivery reach reaches 700 meters for each node and the delivery delay reaches 23.22 seconds. The temperature and humidity sensor data have an accuracy of 4% and 8%, respectively. Sending sensor data can be displayed using Blynk. Keywords: LoRa, Telemetri, gateway, internet, sensor
Rancang Bangun Alat Pemantau Dan Kontrol Kondisi Ruangan Green House Untuk Budidaya Tanaman Stroberi Berbasis Internet Of Things (IoT) Tarigan, Jonshon; Albert Zicko Johannes; Martelda Natbais; Ari Bangkit Sanjaya Umbu
Jurnal ELEMENTER (Elektro dan Mesin Terapan) Vol. 9 No. 1 (2023): Jurnal Elektro dan Mesin Terapan (ELEMENTER)
Publisher : Politeknik Caltex Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35143/elementer.v9i1.5877

Abstract

Strawberries are horticultural crops that can grow well in subtropical regions. Strawberries require cool environmental conditions with temperatures between 17°C-20°C and humidity between 80% -90%. Cultivating strawberries in the tropics is a challenge in itself because of the temperature and humidity in this area. One way to cultivate strawberry plants in the tropics is to use a Green House. Green House is designed to maintain the temperature and humidity according to the needs of the strawberry plants. This study aims to create a system monitoring and controlling greenhouses using the internet of things. Users can  monitor and control the condition of the Green House via an Android smartphone with the Blynk application. When the air temperature and humidity values are in the Green House, the system will work to readjust the temperature and humidity in the Green House. This system uses ESP32 as the control center and a DHT22 sensor to measure air temperature and humidity. Based on the results of the design and performance analysis of the tool, the accuracy of the air temperature gauge is 99.52% and the air humidity is 99.29%. The system successfully controlled the temperature and humidity in the Green House room for 23 days of testing. 
Rancang Bangun Automatic Transfer Switch (ATS) Hybrid Daya PLN Dan PLTS Pada Sistem Hidroponik Widiasari, Cyntia; Rizky Fachriansyah
Jurnal ELEMENTER (Elektro dan Mesin Terapan) Vol. 9 No. 1 (2023): Jurnal Elektro dan Mesin Terapan (ELEMENTER)
Publisher : Politeknik Caltex Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35143/elementer.v9i1.5878

Abstract

Hydroponic system requires continuous circulation of water to grow plants. To prevent the risk of stopping the circulation of this water, another source of electrical energy is used to backup power sources if there is a blackout at PLN. So, in this research Automatic Transfer Switch (ATS) system was designed in Hydroponics to maintain water circulation. In which this ATS has a contractor that two power sources that can flow and cut off electric current, which is also connected to the MK2P Relay as an inverter switch, and the MCB as a component protector. The backup power source is used by PLTS connected to the inverter, where the inverter is supplied by a battery that is charged by solar panels as a backup power source. The results of this design show that the transfer delay from PLN to PLTS for about 1,52 seconds and PLTS to PLN is 5.40 seconds. The delay is caused by TDR delay set for about 5 seconds to connected to PLN. As well as the reliability that results form this system is also balanced and can provide electric voltage u to 100% performance with experiments using different delays such as 1, 2, 3, 4, and 5 seconds for 10 trials which can turn on a maintain water circulation on hydroponics. Keywords: ATS, PLTS, PLN, Hydroponic, Water circulation.
Analisis Sifat Mekanik Baja Karbon ST 37 Pada Variasi Kuat Arus dan Sudut Kampuh SMAW : Analisis Sifat Mekanik Baja Karbon ST 37 Pada Variasi Kuat Arus dan Sudut Kampuh SMAW -, Dibyo Setiawan; Sutrimo; Gugun Nugraha; Hanni Maksum Ardi; Toni Okviyanto
Jurnal ELEMENTER (Elektro dan Mesin Terapan) Vol. 9 No. 1 (2023): Jurnal Elektro dan Mesin Terapan (ELEMENTER)
Publisher : Politeknik Caltex Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35143/elementer.v9i1.5886

Abstract

This study discusses the impact of variations in the seam angle of welded joints and welding parameters on the tensile strength and hardness testing of ST 37 carbon steel. The SMAW welding process is one of the metal connection techniques used in industry. The method of welding joints is carried out with variations in the seam angle of the welded joints 600 and 700, while variations in the current strength of the welded joints are 90A, 100A, and 110A. The experimental method used in this research is the steel base metal material ST 37, which has a thickness of 8 mm. The tensile strength test results have the highest value at the seam angle of 700 with a current strength of 110 A, namely 482.54 N/mm2. The lowest tensile strength test results were obtained with a tensile strength of 399.54 N/mm2 at a welded angle of 700 and a current strength of 90 A. The test specimen with a variation of the existing power of 110 A and a weld seam angle of 700 has the highest value in the hardness test with a 234 HV hardness.
Sistem Kontrol Dan Monitoring Intensitas Cahaya dan Suhu Pada Greenhouse BerBasis IoT Suhairi, M; Halimah Tuzsakdiah
Jurnal ELEMENTER (Elektro dan Mesin Terapan) Vol. 9 No. 1 (2023): Jurnal Elektro dan Mesin Terapan (ELEMENTER)
Publisher : Politeknik Caltex Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35143/elementer.v9i1.5888

Abstract

In general, cultivated agricultural systems in Indonesia are still in open land. However, agricultural systems that are cultivated on open land still face many problems ranging from land availability, energy, seasonal changes, pests and diseases, to crop failures faced by farmers. Actually, farmers' problems can be overcome by utilizing technology so as to get maximum yields. In this research, a greenhouse will be designed that utilizes the DHT11 sensor to read the temperature and the BH1750 sensor to read the light intensity based on the NodeMCU ESP8266. The application of this IoT-based system results in plant growth that can be controlled automatically according to the needs of the plant in order to get maximum yields. The test results for the DHT11 temperature sensor have 99.74% accuracy, and the BH1750 sensor has 92.8% accuracy. With this system, information on the condition of lettuce plants in the greenhouse can be known through the blynk application.
DESAIN SISTEM PEMADAM KEBAKARAN MENGGUNAKAN METODE WATER SPRAY DAN FOAM SEBAGAI INSTALASI PERLINDUNGAN KEBAKARAN PADA TANGKI TK-7201, TK-7202, DAN TK-7203 PADA PLANT INDUSTRI GRESIK: DESAIN SISTEM PEMADAM KEBAKARAN MENGGUNAKAN METODE WATER SPRAY DAN FOAM SEBAGAI INSTALASI PERLINDUNGAN KEBAKARAN PADA TANGKI TK-7201, TK-7202, DAN TK-7203 PADA PLANT INDUSTRI GRESIK Wardani, Dianita -
Jurnal ELEMENTER (Elektro dan Mesin Terapan) Vol. 9 No. 1 (2023): Jurnal Elektro dan Mesin Terapan (ELEMENTER)
Publisher : Politeknik Caltex Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35143/elementer.v9i1.5903

Abstract

Tangki TK-7201, TK-7202, dan TK-7203 berisikan Faaty Alkohol pada plant industri Gresik diketahui belum memiliki alat proteksi terhadap kebakaran serta pada tangki memiliki beberapa resiko tinggi seperti kebocoran atau faktor external yang memungkinkan terjadinya kebakaran. Sehingga dibuthkan media foam untuk pemadaman kebakaran pada permukaan fluida dalam tangki sesuai standar NFPA 11 (Standard for Low Medium and High Expansion Foam) dan didukung dengan media air untuk water spray system sesuai standar NFPA 15 (Standard for water spray system) yang berguna untuk pendinginan serta pencegahan dari kerusakan akibat kebakaran pada tangki lainnya dan diharapkan tidak ikut terbakar. Modeling dimensi nozzle water spray atau sprinkler mengunakan ANSYS dipilih nozzle water spray dengan luaran 9 mm untuk sistem proteksi. Pada desain sistem perpipaan foam mengunakan diameter pipa utama 6 inch dan 4 inch untuk pipa cabang. Pada desain instalasi water spray mengunakan mengunakan pipa ukuran 10 inch untuk pipa utama, ukuran 6 inch untuk pipa cabang, dan ukuran 3 inch untuk pipa pembagi. Instalasi ini menggunakan 39 water nozzle / sprinkler dengan jarak antar nozzle adalah 2 meter. Total headloss pada instalasi water spray didapatkan nilai sebesar 60,18m. Total headloss pada instalasi foam didapatkan nilai sebesar 55,85 m. Pada instalasi sprinkler didapatkan daya pompa hasil perhitungan sebesar 110,97 kW. Pada instalasi foam didapatkan daya pompa hasil perhitungan sebesar 6,27 kW. Pompa yang digunakan pada desain yaitu Ebara 65 x 50 FSJA untuk sistem pemadam foam dan Ebara 250 x 200 FS4NA untuk sistem water spray. Kata kunci: Desain, Fire Fighting Foam, Headloss, NFPA, Water Spray System
Perancangan SEPIC Converter untuk Pengisian Baterai dengan Metode Kontrol PI Rachma Prilian Eviningsih; Arief Rahmadani; Aditya Riska Kinasih
Jurnal ELEMENTER (Elektro dan Mesin Terapan) Vol. 9 No. 1 (2023): Jurnal Elektro dan Mesin Terapan (ELEMENTER)
Publisher : Politeknik Caltex Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35143/elementer.v9i1.5913

Abstract

The electricity production generated by solar panels is not stable due to variations in the intensity of sunlight caused by fluctuating weather conditions, which results in the battery not being fully charged. To ensure a constant output voltage, a PI control method was developed in this study to regulate the duty cycle of the SEPIC converter from the solar panel. The modeling of the PI controller involved determining the P and I gains using analytical methods to obtain optimal system characteristics. The results showed that during closed-loop system testing with solar panel conditions of 1000W/m2 and a temperature of 25°C, the output voltage reached the set point value of 14 V with a response time of 0.6 s.
Analisis Pengaruh Jumlah Variasi Katalis MeOH Pada Pembuatan Biodiesel Melalui Proses Transesterifikasi Harmiansyah; Efendi, Rustam; Muslimah, Siti; Hikmawati, Meli; Apriani, Santi; Simbolon, Sinober; Setiawan, Wahyu
Jurnal ELEMENTER (Elektro dan Mesin Terapan) Vol. 9 No. 1 (2023): Jurnal Elektro dan Mesin Terapan (ELEMENTER)
Publisher : Politeknik Caltex Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35143/elementer.v9i1.5927

Abstract

Biodiesel is a bioenergy or biofuel produced by transesterification of vegetable oil (animal fat). Transesterification is a chemical method in which oil triglycerides react with methanol with the help of an alkaline catalyst to produce biodiesel. The goal of this study is to determine the quality of biodiesel utilizing MeOH as a catalyst throughout the transesterification process. This study aims to produce biodiesel using the transesterification process with palm oil as the main raw material. Making biodiesel begins with heating the palm oil at 61-65 oC and then adding a mixture of NaOH and methanol solutions so that glycerol, emulsion, and biodiesel are obtained as a result of transesterification. Finally, a separatory funnel is used to obtain pure biodiesel. The yield values of biodiesel produced with MeOH catalysts of 20%, 25%, and 30% were 81.5%, 86.6%, and 44.4%, respectively. Furthermore, this study performed density calculations that influenced the quality of biodiesel from each amount of MeOH utilized to achieve a density of 0.85 g/ml. As can be observed, the usage of MeOH catalyst has an effect on the quality of biodiesel yields.
Rancang Bangun dan Alat Bantu Pengepres Kulit Untuk Alat Musik Khas Riau (Kompang) Novison, Roni; Amnur Akhyan; Agus Wijianto
Jurnal ELEMENTER (Elektro dan Mesin Terapan) Vol 9 No 2 (2023): Jurnal Elektro dan Mesin Terapan (ELEMENTER)
Publisher : Politeknik Caltex Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35143/elementer.v9i2.5929

Abstract

One of the traditional musical instruments originating from Riau Province which is made of wood and leather is the kompang. The process of making kompang is still done conventionally so that the time needed in the process of making Kompang is getting longer. Because of that, a tool for pressing Kompang skin was designed using the pulling method using 12 hooks. In the withdrawal process using the pressure generated from the hydraulic jack which has a load of 5 Tons. After carrying out several comparative tests between kompang produced by UMKM and produced with the Kompang skin pressing tool, we obtained data such as processing time and sound intensity on Kompang. The conventional process of making Kompang obtained data for processing time of 141.8 minutes while using a leather press tool is 28.4 minutes. The time difference between the conventional manufacturing process and the manufacturing process using a Kompang skin pressing tool is 113.4 minutes faster. The next data obtained is that the average sound intensity in conventionally produced Kompang (MSMEs) is 93.9 dB. At the Kompang sound intensity produced with the Kompang skin pressing tool is 105.8 dB. It can be concluded that the sound intensity obtained in Kompang which is produced with the Kompang skin pressing tool is higher than Kompang which is produced using conventional methods. Keywords: Kompang, UMKM, Press tools

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