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JEEE
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Universitas Siliwangi Jl. Siliwangi No.24, Kahuripan, Kec. Tawang, Tasikmalaya, Jawa Barat 46115
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Journal of Energy and Electrical Engineering (JEEE)
Published by Universitas Siliwangi
ISSN : -     EISSN : 2720989X     DOI : -
Core Subject : Science, Engineering,
Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering
JEEE is a journal that contains research results in the field of Energy and Electrical Engineering. This journal can be used as a source of scientific information for researchers, researcher academia or institution, and government agencies. The topic focused on Power Systems, Control Systems, Energy Management and Electrical Materials. JEEE is published by Teknik Elektro Universitas Siliwangi and managed to be issued twice in every volume on October and April.
Arjuna Subject : Teknik (semua kategori) - Teknik Listrik dan Elektro
Articles 119 Documents
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Optimization Design of Single-Tuned Passive Filter Using Particle Swarm Optimization Algorithm in Industry Malik, Mochamad Irlan; Hamdani, Yuda Muhammad; Yanti, Yanti
Journal of Energy and Electrical Engineering Vol 6, No 2: April 2025
Publisher : Teknik Elektro Universitas Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37058/jeee.v6i2.14644

Abstract

In the industrial sector, the widespread use of non-linear loads such as inverters and variable speed drives has led to increased harmonic distortion, which negatively impacts power quality. These harmonics can cause equipment malfunctions, overheating, reduced system efficiency, and potential failures in power infrastructure. This study aims to optimize the design of a Single-Tuned Passive Filter (STPF) using the Particle Swarm Optimization (PSO) algorithm to minimize harmonic distortion in industrial electrical systems. Harmonic measurements in a representative system revealed Total Harmonic Distortion of current (THDi) values of 20.2%, 20.3%, and 18.6% for phases L1, L2, and L3, respectively, with the 5th and 7th harmonic orders being the most dominant. Initial simulation using standard filtering reduced THDi to 3.03%, 3.10%, and 2.89%, but significant residual harmonics were still present. By applying a PSO-optimized STPF, the THDi was further reduced to 2.42%, 2.43%, and 2.23%, indicating a marked improvement in harmonic mitigation. These findings confirm that the PSO-based design approach effectively enhances filter performance, resulting in improved power quality, increased system reliability, and better protection of electrical equipment. The implementation of the optimized STPF is particularly valuable in industrial environments such as the automotive sector, where power stability and equipment longevity are critical.
Design of Picohydro Power Plant for Application of River-based Garbage Lifting Tool IoT Dudiawan, Dudiawan; machdi, agustini rodiah; notosudjono, didik
Journal of Energy and Electrical Engineering Vol 6, No 2: April 2025
Publisher : Teknik Elektro Universitas Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37058/jeee.v6i2.12315

Abstract

Utilizing water energy can be implemented on small scale, such as with a (PLTPH), which is a small-scale power plant using water as its driving force through a penstock to move a turbine. By applying a river trash lifter based on IoT, the cleanliness of the river environment can be managed. the power source comes from a generator coupled to a Pelton turbine type, which will rotate the generator to produce VAC electricity that will first be converted to VDC voltage so that the voltage is more stable and then converted back to 220 VAC voltage by an inverter. This will become the main energy source for the IoT-based river trash lifter using the Wemos D1 R1 microcontroller as the system's brain to control and collect data from two HC-SR04 ultrasonic sensors, which will be monitored on an LCD display and Telegram notifications. Test results show that water pressure greatly affects the performance of the PLTMH prototype design, with a minimum water pressure required for the PLTMH to work being 18 psi. The generator can produce 60 VAC voltage with an average voltage of 50.05 VAC and an average generator current of 0.046 amps. The power on the generator depends on the voltage and current produced. The load on the generator after being converted to DC current is 9 watts. The duration of the conveyor operation to lift trash from the river to the collection bin depends on the HC-SR04 ultrasonic sensor placed in the river when it detects trash, which will be displayed on the LCD. When the collection bin is full, the HC-SR04 ultrasonic sensor in the collection bin will activate a buzzer, which will be displayed on the LCD and the ThingSpeak.
Optimizing Bioethanol Production from Agricultural Waste Through an IoT-Based Monitoring System Firmansyah, Naufal Haasyim; Pramudia, Rendy; Pamungkas, Guntur Ariyanto; Santoso, Dian Budhi
Journal of Energy and Electrical Engineering Vol 6, No 2: April 2025
Publisher : Teknik Elektro Universitas Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37058/jeee.v6i2.15044

Abstract

The production of bioethanol from agricultural waste presents a promising solution for sustainable renewable energy development while simultaneously mitigating the environmental burden of organic residues. Despite its potential, conventional bioethanol production methods particularly during fermentation and distillation are often hindered by poor process control, resulting in low conversion efficiency and excessive energy consumption.This study proposes the design and implementation of an Internet of Things (IoT)-based monitoring system aimed at optimizing the bioethanol production process. The system integrates temperature, pH, and turbidity sensors to enable continuous monitoring of critical parameters during fermentation and distillation. Data from these sensors are processed in real-time using an ESP32 microcontroller and transmitted to a cloud-based platform for visualization and control. Experimental results indicate that the proposed IoT system enhances the conversion efficiency of biomass to bioethanol by 35% and reduces energy consumption by 20% compared to traditional methods. These findings demonstrate that real-time monitoring through IoT integration significantly improves process efficiency, consistency, and sustainability in bioethanol production from agricultural waste. This research contributes to the advancement of intelligent control systems in bioenergy applications and supports the global transition toward clean, eco-friendly, and data-driven energy technologies.
Design of Sterilizer Calibration With Esp8266 Based on Internet of Things Anindyahadi, Fitri; Nugroho, Setyo Adi; Dewantara, Mahardira; Suyamto, Yuli
Journal of Energy and Electrical Engineering Vol 6, No 2: April 2025
Publisher : Teknik Elektro Universitas Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37058/jeee.v6i2.14927

Abstract

Advancing technology demands reliable monitoring of key indicators such as temperature, a fundamental measure of heat or cold and critical wherever stable setpoints are required. Guided by Industry 4.0 principles, this study develops an Internet-of-Things (IoT) sterilizer calibration tool using an ESP8266 controller for real-time access. The device was built as planned, from component selection and casing design to the accompanying application, and supports continuous temperature observation. The IoT layer simplifies data acquisition and provides reliable, real-time monitoring via the ESP8266. Experimental evaluation shows small deviations from setpoints: at 150 °C the mean error is 0.5 °C, and at 200 °C the mean error is 0.1 °C. Testing followed the Medical Device Calibration Work Method No. 044-18 (2020) for sterilizer performance. All results remain within the permitted tolerance of ±5 °C, indicating that the tool is suitable for use and can assist applications that require stable, precisely monitored temperature conditions.
Security System in A Private Room Using Esp32 Microcontroller with Telegram Bot Antono, Dhovem Ramadhani Riandy; Suryo, Yoedo Ageng
Journal of Energy and Electrical Engineering Vol 6, No 2: April 2025
Publisher : Teknik Elektro Universitas Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37058/jeee.v6i2.14951

Abstract

Losing valuables in private rooms remains a common issue, often caused by the limitations of conventional security systems. This research proposes the design and implementation of a modern security system based on the ESP32 microcontroller integrated with a Telegram bot to provide real-time monitoring and control. The system is engineered to detect suspicious movements within a room and immediately notify the owner via the Telegram application. It consists of key components including a power supply unit, motion sensors for activity detection, the ESP32 microcontroller as the central processing unit, and the Telegram bot as the communication interface. When motion is detected, sensor data is transmitted to the ESP32, which processes the input and sends automated alerts through Telegram. Additionally, the system features remote control capabilities, allowing users to lock or unlock the room via Telegram commands. Testing results indicate that the system demonstrates high motion detection accuracy and fast response times with minimal latency in message delivery. The implementation of this tool significantly enhances room security and provides a practical solution for preventing the loss of valuables in personal spaces.
Automatic Grain Dryer Using Solar Power Plant Backup Hendrian, Yuyasmie Yastha; Machdi, Agustini Rodiah; Notosudjono, Didik
Journal of Energy and Electrical Engineering Vol 6, No 2: April 2025
Publisher : Teknik Elektro Universitas Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37058/jeee.v6i2.14057

Abstract

Grain drying is a critical step in rice post-harvest handling to lower moisture to safe levels for storage and milling. This study designs and develops an automatic, sensor-based grain dryer powered by the grid with a solar PV (PLTS) backup. The goal is efficient, stable drying that satisfies SNI 1628:2015 premium quality (no more than 14% moisture). The system monitors and controls temperature and humidity, while DC motors and blowers accelerate drying to improve uniformity and product quality. Solar energy provides resilient backup during grid outages, supports continuous operation, and helps reduce dependence on conventional electricity. Prototype tests show a peak PV output of 17.08 W at 12.24% panel efficiency. Operating the dryer for 6 hours requires ~126.24 Wh. Accordingly, a battery of about 1,130 mAh capacity is estimated, with a full-charge duration of ~7.65 hours. To supply 126.24 Wh with one day of autonomy, a PV module of approximately 0.009618 kWp (10 Wp) is recommended.
Development of Modified Duty Cycle Technique to Enhance the Effectiveness of DC-DC Boost Converter Wiryajati, I Ketut; Putra, I Ketut Perdana; Adnyani, Ida Ayu Sri
Journal of Energy and Electrical Engineering Vol 6, No 2: April 2025
Publisher : Teknik Elektro Universitas Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37058/jeee.v6i2.14939

Abstract

The DC-DC boost converter is a crucial component in power management systems, functioning to step up the DC voltage from a lower to a higher level. However, the effectiveness of the converter is often hindered by power losses and suboptimal efficiency. This study presents a performance analysis of three control methods applied to the Boost Converter: Conventional PWM, PWM with Modified Duty Cycle Switching (MDCS), and a Proportional-Integral (PI) Controller. Simulation results indicate that the Conventional PWM method exhibits low efficiency (88%) along with significant overshoot and steady-state error. The MDCS method demonstrates improved efficiency (91.7%) and a faster response time; however, it tends to experience substantial voltage fluctuations, indicating instability during transient conditions. In contrast, the PI controller delivers the most optimal performance, achieving the highest efficiency (94%) and a stable output voltage without significant fluctuations. The PI technique effectively maintains the reference voltage with minimal steady-state error and overshoot, making it an ideal solution for applications requiring high stability and efficiency. In conclusion, the PI controller is recommended for power conversion applications that demand stability, while the MDCS method is more suitable for systems requiring fast response with consideration for stability. The Conventional PWM method should be avoided in applications that require high efficiency
Design and Development of A Semi-Automatic Catfish Feeder Device Based on Arduino Sugandi, Gandi; Gusman, Dilla Oktaviani; Susilawati, Helfy; Wiharso, Tri Arif
Journal of Energy and Electrical Engineering Vol 6, No 2: April 2025
Publisher : Teknik Elektro Universitas Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37058/jeee.v6i2.15028

Abstract

Fish feed is one of the most important factors in fish farming and plays a crucial role in determining the success of the cultivation. One of the most commonly farmed fish species in the community is catfish. The feeding of catfish must be carefully managed to optimize their growth by providing feed accurately and regularly so that they can be harvested with maximum results. In this thesis research, a semi-automatic catfish feeder was designed to optimize the feeding process. The device is designed with a semi-automatic system so that when monitoring the catfish pond, farmers can simultaneously feed the fish. This device also uses a solar panel as an energy source to make it more efficient, especially in areas far from electrical sources. The feeder operates using Bluetooth transmission and can be controlled via a smartphone. It includes a feed dispensing system and a feed weight monitoring system, which displays the feed weight in grams on an LCD screen. On the smartphone, a parameter called "Feed Capacity" is displayed to indicate the amount of feed based on its height inside the feed container. This device has a load cell sensor with an average error of 0.5% and a servo motor with an average error of 0.6%.
Forest Fire Monitoring using Integrated Microcontroller-Based Drones Rasyidin, Khafilah Ainur; Astutik, Rini Puji
Journal of Energy and Electrical Engineering Vol 6, No 2: April 2025
Publisher : Teknik Elektro Universitas Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37058/jeee.v6i2.14836

Abstract

Forest fires are catastrophic events that pose serious threats to ecosystems, biodiversity, and human health. Conventional monitoring techniques are often limited in coverage and response time, making early detection difficult and ineffective. This study proposes the development of an advanced forest fire monitoring system utilizing unmanned aerial vehicles (drones) equipped with integrated microcontroller-based technology. The system consists of a master microcontroller installed on the drone and a slave microcontroller connected to various environmental sensors, including temperature, humidity, hazardous gas detection, and flame sensors. Sensor data is transmitted in real-time to a web server, enabling remote visualization and monitoring of potential fire occurrences. The research focuses on the design, integration, and implementation of the monitoring system, as well as the development of a user-friendly web interface for real-time data presentation. The expected outcomes of this study include improved accuracy in forest fire detection, enhanced data availability for environmental analysis, reduced operational costs, and a more responsive forest monitoring framework. This system is anticipated to serve as a reliable and scalable solution for early warning and disaster mitigation in forest fire management.
COORDINATION OF RECLOSERS AND FUSE CUT-OUTS ON 20 kV MEDIUM VOLTAGE OVERHEAD LINES (SUTM) AT THE EBAN FEEDER OF PT.PLN (PERSERO) ULP KEFAMENANU Rambu, Shindi Anjeline; Likadja, Frans J; Ginting, Almido
Journal of Energy and Electrical Engineering Vol 7, No 1: October 2025
Publisher : Teknik Elektro Universitas Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37058/jeee.v7i1.16265

Abstract

The Eban feeder is the longest feeders at PT. PLN (PERSERO) ULP Kefamenanu, with a medium- voltage overhead line length of 60.62 kms. In the distribution system, the Eban feeder is equipped with one Joongwon recloser on the medium-voltage network and 16 Fuse Cut Outs (branch points). This study aims to determine the coordination between the recloser and the Fuse Cut Outs (FCO) on the Eban feeder. The research method used is quantitative descriptive to identify the coordination settings of the recloser and FCO. The test data in this study include recloser settings, FCO ratings, transformer data, load data, CT data, and simulation using Etap 19.0.1. In the event of a short-circuit fault, the Nian recloser will operate first, with a breaking time of 0.521s.

Page 11 of 12 | Total Record : 119

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