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Rancang Bangun Generator Thermal Dengan Pemanfaatan Limbah Panas Knalpot Motor Replika ALHidayat AlHidayat; Syaiful Bakhri; Seflahir Dinata
Jurnal Teknologi Elektro Vol 20 No 1 (2021): (Januari - Juni ) Majalah Ilmiah Teknologi Elektro
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2021.v20i01.P08

Abstract— Thermoelectric power plants are solid state devices that provide direct energy conversion from thermal energy due to a temperature gradient into electrical energy based on the "Seebeck effect", working by converting heat energy into electricity directly. In "Design of Thermal Generator with the Utilization of Heat Exhaust from Motor Replica". The test uses 4, TEP1-142 T300 in series, the test is carried out in several stages, namely no-load testing, the highest voltage obtained reaches 8 volts at (?T) the temperature difference between TH and TL 31 oC, the temperature is TH 65 oC and the temperature TL 34 oC. then using a load of 5 watt led lights experiencing a voltage drop, the maximum voltage is 5 volts with the power obtained 0.41 watts at 0.07 amperes, the test uses a boost converter, the voltage is as stable as 5 volts, where the thermoelectric voltage is V-in. must get a voltage of 3 volts. In this test the thermoelectric generator generates electrical power which is influenced by the temperature difference between TH and TL where the TL temperature must be lower than TH to get high power, the temperature at TL must always be maintained, therefore a good temperature cooling radiator is needed at TL, which is not more than 40 oC, the power generated can only turn on a 5volt lamp with a power of 0.34 watts which is very small because the number of thermoelectric modules also affects the power produced, the advantage in this test is that we can take advantage of the exhaust heat of motorized vehicles.

Rancang Bangun Generator Thermal Dengan Pemanfaatan Limbah Panas Knalpot Motor Replika ALHidayat AlHidayat; Syaiful Bakhri; Seflahir Dinata
Jurnal Teknologi Elektro Vol 20 No 1 (2021): (Januari - Juni ) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2021.v20i01.P08

Abstract— Thermoelectric power plants are solid state devices that provide direct energy conversion from thermal energy due to a temperature gradient into electrical energy based on the "Seebeck effect", working by converting heat energy into electricity directly. In "Design of Thermal Generator with the Utilization of Heat Exhaust from Motor Replica". The test uses 4, TEP1-142 T300 in series, the test is carried out in several stages, namely no-load testing, the highest voltage obtained reaches 8 volts at (?T) the temperature difference between TH and TL 31 oC, the temperature is TH 65 oC and the temperature TL 34 oC. then using a load of 5 watt led lights experiencing a voltage drop, the maximum voltage is 5 volts with the power obtained 0.41 watts at 0.07 amperes, the test uses a boost converter, the voltage is as stable as 5 volts, where the thermoelectric voltage is V-in. must get a voltage of 3 volts. In this test the thermoelectric generator generates electrical power which is influenced by the temperature difference between TH and TL where the TL temperature must be lower than TH to get high power, the temperature at TL must always be maintained, therefore a good temperature cooling radiator is needed at TL, which is not more than 40 oC, the power generated can only turn on a 5volt lamp with a power of 0.34 watts which is very small because the number of thermoelectric modules also affects the power produced, the advantage in this test is that we can take advantage of the exhaust heat of motorized vehicles.

Studi Kelayakan Pembangkit Listrik Tenaga Surya di Taman Kampus II Universitas Pamulang Menggunakan PV-Syst Muhammad Nur Iman; Seflahir Dinata
JURNAL RISET RUMPUN ILMU TEKNIK Vol. 4 No. 1 (2025): April : Jurnal Riset Rumpun Ilmu Teknik
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v4i1.4536

Indonesia is currently very dependent on fossil energy, the availability of which is limited and has an emission effect on the environment. To sustain the availability of electrical energy, alternative energy sources are needed in the form of renewable energy, one of which is the Solar Power Plant (PLTS). This research discusses the design of an On Grid PLTS system in the park at Campus II, Pamulang University using Pvsyst 7.2 software by taking into account technical and economic aspects in three scenarios. In scenario 1, the On Grid PLTS is designed to suit the energy needs of the Pamulang University Campus II park, while in scenario 2 it uses an OFF Grid system and in scenario 3 it uses a Hybrid PLTS system (PLN+Batteries). Economic aspects are calculated using the Net Present Value (NPV) and Discounted Payback Period (DPP) methods. Technically, the Performance Ratio obtained was 83.59% and 83.53% respectively with Solar Fraction of 62.64% and 70.15% respectively. Economically, the NPV value obtained is positive and the investment return period is 7.78 years and 7.8 years respectively. So, designing an On Grid PLTS in the park of Pamulang University's Campus II is considered feasible.

Sistem PLTS 120 WP dengan Kontrol IoT untuk Monitoring Real-Time Optimasi Irigasi Sawah Berkelanjutan di Kresek Tangerang Ahmad Putra Pratama; Seflahir Dinata; Ojak Abdul Rozak; Woro Agus Nurtiyanto
Jurnal Ilmiah Teknik Informatika dan Komunikasi Vol. 5 No. 3 (2025): November: Jurnal Ilmiah Teknik Informatika dan Komunikasi
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/juitik.v5i3.1660

The agricultural sector’s dependence on fossil energy sources such as diesel and electricity from the national grid presents significant challenges, particularly in rural areas with limited energy access, high operational costs, and inadequate infrastructure. These challenges directly affect irrigation systems that require continuous energy supply. To address these issues, this research aims to design and implement a 120 WP Solar Power Plant (PLTS) system equipped with intelligent Internet of Things (IoT)-based control as an environmentally friendly, efficient, and sustainable renewable energy solution to optimize paddy field irrigation in Kresek, Tangerang. The system utilizes monocrystalline solar panels to convert solar energy into electrical energy stored in a LiFePO4 battery, which is then used to power an irrigation water pump. Key components include an inverter, solar charge controller (SCC), ESP32 microcontroller, and several sensors such as INA219 for voltage, ACS712 for current, DS18B20 for temperature, and BH1750 for light intensity. All sensor data is transmitted in real-time and visualized through the Blynk platform, enabling users to monitor system conditions remotely via mobile devices. Experimental results demonstrate that the system operates stably with high efficiency and a sensor error rate of less than 2%. Moreover, the system successfully powers irrigation pumps with consistent output suitable for a 15 m × 12 m field. This research concludes that the IoT-based 120 WP solar power system is an effective solution for supporting clean energy transitions, reducing fossil fuel dependency, lowering agricultural operational costs, and enhancing the productivity and sustainability of irrigation systems in rural farming areas.

Analisis Sistem Pengaturan Suhu Air Menggunakan Heater Berbasis Kontrol PID dan Kesalahan (Offset) pada Sistem Pemanas di Industri Johan Prasetyo; Seflahir Dinata; Aripin Triyanto; Abdurahman Abdurahman
JURNAL RISET RUMPUN ILMU TEKNIK Vol. 4 No. 3 (2025): Desember : Jurnal Riset Rumpun Ilmu Teknik
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v4i3.6669

Stable temperature regulation is essential in various industries to maintain product quality and energy efficiency. This study analyzed the water temperature regulation system using PID control through MATLAB simulation and the actual implementation using Thermocontrol and PT100 sensors. In the simulation, the PID control parameters used were Kp = 3.0, Ki = 240, and Kd = 60, while the tuning results in the actual implementation were Kp = 3.0, Ki = 0.5, and Kd = 1.2. The simulation results showed that the system could reach the setpoint faster (±330 seconds), but with a high overshoot (±20.8°C). In contrast, the actual implementation shows more stable performance, with a much lower overshoot (±0.8°C) and a time to the setpoint of about ±345 seconds. These differences in performance can be influenced by environmental factors and the physical characteristics of real systems that are not fully reflected in the simulation. Although the simulation provides faster results, the actual implementation is more adaptive to changing conditions and better able to maintain temperature stability. This research can provide important insights into the development of more effective and reliable temperature control systems for industrial applications, as well as demonstrate the importance of proper tuning in PID control systems to achieve optimal performance.

Analisis Sistem Penangkal Petir pada Light Rail Transit (LRT): (Studi Kasus Project LRT Jakarta Fase 1B) Feriyawan Feriyawan; Seflahir Dinata; Jamal A Rachman Saprin; Angga Septian MN
JURNAL RISET RUMPUN ILMU TEKNIK Vol. 4 No. 3 (2025): Desember : Jurnal Riset Rumpun Ilmu Teknik
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v4i3.6728

Indonesia is a country with high lightning strike intensity, making lightning protection systems critically important, especially for public infrastructure such as Light Rail Transit (LRT). This research aims to analyze the lightning protection system implemented in the Jakarta LRT Phase 1B Project, particularly in the station areas and railway lines. The methods used include field observation, literature study, interviews, and technical analysis using the rolling sphere method, protective angle method, and mesh method to determine the coverage of protected areas. In addition, an evaluation of the grounding system was conducted to ensure the safe discharge of lightning currents into the earth. The analysis results show that the lightning protection system applied complies with PUIPP and IEC 62305-1 standards and is capable of protecting signaling and telecommunication equipment from lightning risks. The combination of the three protection methods provides comprehensive coverage for LRT structures. The grounding system design also meets the standard resistance requirement (< 5 Ohms), ensuring operational safety and protecting critical equipment. Furthermore, the study highlights the importance of integrating lightning protection with other safety systems such as fire protection and electrical surge protection, as lightning can cause cascading failures that disrupt railway operations. Proper maintenance and periodic testing of grounding resistance are also necessary to ensure long-term reliability. In addition, the Faraday cage principle applied to train cars contributes to passenger safety by preventing lightning currents from penetrating the cabin interior. This research is expected to serve as a reference for developing lightning protection systems in similar infrastructure projects, especially in regions with high lightning density. By applying international standards and comprehensive protection methods, the Jakarta LRT demonstrates how modern urban transportation can operate safely despite extreme weather risks.

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