J-Eltrik

Analysis of Wind Energy Potential as an Alternative Source of Electricity Generation in Wonorejo, Situbondo

Nur Ulfa Mauludina, Mitari Wahyu Arsiani, Millatina Fadhilah — Sun, 01 Feb 2026 00:00:00 +0000

Renewable energy holds great potential for development in Indonesia, with wind energy being one of the environmentally friendly options. The government has initiated the development of this energy source by publishing a wind map in 2020 to facilitate its utilization. Potential studies indicate that large-scale horizontal wind turbine technology can operate optimally at wind speeds of 5–20 meters per second, while vertical wind turbines are more suitable for small-scale applications at wind speeds below 5 meters per second. This research focuses on the wind energy potential in Wonorejo, Situbondo City, which experiences high wind speeds conducive to the development of wind power plants. With the support of modern technology, this potential can be maximized into electricity generation. The government plans to build a Wind Power Plant (PLTB) in Wonorejo as a concrete step to enhance the contribution of renewable energy. This initiative reflects the government's commitment to supporting national energy independence.

Ripple Signal Analysis in the GIBBS Phenomenon

Sun, 01 Feb 2026 00:00:00 +0000

The frequency domain is a method of analyzing signals based on their frequencies rather than time. A time-domain graph shows how a signal changes over time, while the frequency domain shows the frequency content and amplitude of each component. The Fourier Transform is used to convert a signal from the time domain to the frequency domain, while the inverse transform converts it back. The frequency spectrum displays the amplitude and phase of each frequency component of the signal. This analysis is important in fields such as physics, electronics, control systems, and statistics. Some techniques also combine the time and frequency domains to analyze signals that vary over time.

Design and Development of a Prototype Marine Current Power Plant

Nurul Izzah, Andi Muhammad Syafi’i, Fery Akbar, Muhammad Akbar, Rani Alham — Sun, 01 Feb 2026 00:00:00 +0000

Renewable electricity from the sea is one of the efforts in the search for energy amid the Fossil fuel crisis. In this journal, we design a prototype PLTAL with the initial stage is determining the test parameters on the prototype so that it can be processed and analyzed data, then carried out Assembling PLTAL prototype design, and finally the prototype testing. Based on the results of the PLTAL prototype test with water volume parameters, the power value P = 0.707 Watt, with a water discharge rate of 0.101 x 10-3 m3 / and the diameter of the turbine diameter d = 0.08 m and with a turbine efficiency of 0.15554 Watt. So from this experiment it can be seen that the volume of water affects the size of the power generated by our prototype.

Design and Development of a Solar Panel Cleaning Device with Time Scheduling

Iradiratu Diah Prahmana Karyatanti , Belly Yan Dewantara, Faisal Akbar Mughni — Sun, 01 Feb 2026 00:00:00 +0000

Utilization of solar energy using solar panels in Indonesia is currently only 0.05% of the existing potential. Where, Indonesia is a country located on the equator, so Indonesia has the potential to get stable solar energy. However, there are several factors that can reduce the optimality of solar panels. The factors that affect the optimal performance of a solar panel are the influence of temperature, the effect of shadows, and the material of the solar cell itself. If the cover glass, which is the outermost layer of the solar panel, is covered by dust or other barrier materials, this will block the entry of the intensity of sunlight and greatly affect the process of the photoelectric effect on the cell panel so that the electrical energy produced is not optimal, this event is called shading affect. In this study, a solar panel cleaning tool was designed based on time scheduling. This tool is used to reduce dust and other obstructions on the surface of solar panels. If there is no dust and dirt around the solar panel, this cleaning tool will clean the solar panel automatically.

Comparative Analysis of Electrical Power Output of Solar Panels Using a Tracking System with a Solar Reflector

Wahyu Dwi Cahyanto, Istiyo Winarno, Belly Yan Dewantara — Sun, 01 Feb 2026 00:00:00 +0000

At this time, one type of alternative energy that is growing rapidly and is widely used by many countries is solar energy which is used as a power plant in the form of solar cells. This technology can convert the intensity of the sun into electrical energy. In its development, a control system is needed to optimize the output power of solar cells, such systems are using solar tracking which can control the position of solar cells so that they are always perpendicular to the direction of the sun automatically and a solar reflector that uses a flat mirror as optics to optimize light intensity. The system used for this arrangement is called a solar tracking and reflector system with Adaptive Neuro Fuzzy Inference System (ANFIS) control. The results obtained from the tracking system after testing the most optimal power obtained when the solar cell is perpendicular to the sun with ANFIS control which is 12,743 watts and the solar cell with reflector can optimize power twice as much..

Analysis of Hydropower Potential in Sengguruh Reservoir and Wonorejo Reservoir as Hydroelectric Power Plants in the Brantas DAS Area

Nur Lailatul, Sudartik Sudartik, Yushardi Yushardi — Sun, 01 Feb 2026 00:00:00 +0000

The water energy potential found in the Sengguruh and Wonorejo reservoirs serves as a source for Hydroelectric Power Plants (PLTA) located in the Brantas River Basin (DAS Brantas). The river flow has significant potential to be used as a source of electricity generation. The Brantas River possesses considerable potential for the development of Micro-Hydro Power Plants. The Weir and Flume method, which relates to threshold levels, average power, and water discharge, is used. Discharge is calculated based on the water level above the weir or within a narrow channel. At the Sengguruh PLTA, the inflow water discharge produced is 1.57 m³/s. Meanwhile, at the Wonorejo PLTA, the river inflow discharge calculated using the F.J. Mock method ranges from 0.94 m³/s to 16.99 m³/s, with a dependable discharge of 1.833 m³/s. It is therefore concluded that the electrical energy potential between the two reservoirs is greater at the Sengguruh PLTA