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Fachruroji
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Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Materials Science & Nanotechnology

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ANALYSIS OF PREVENTIVE MAINTENANCE 110 VDC SYSTEM AT PLTM GUNUNG WUGUL PT. PLN INDONESIA POWER MRICA PGU Safi'i, Ahmad; Mubarok, Rizky; Prasetyono, Rizki; Nasrulloh; Fachruroji; Adzin Murdiantoro, Randi
Journal of Electronic and Electrical Power Applications Vol. 3 No. 2 (2023): JEEPA Volume 3 Nomor 2
Publisher : Program Studi Teknik Elektro Universitas Peradaban

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58436/jeepa.v3i2.1742

Abstract

The battery is a back-up for the DC electrical system which is closely related to the protection system in a generator, so to find out the routine maintenance system of the 110 VDC battery system used at the Mount Wugul PLTM. This maintenance will measure the voltage and quality of the battery water in the battery. The aim of the research is to test the 110 VDC battery for daily maintenance, a visual inspection is carried out to ensure the physical condition of the battery is in good condition, to ensure the 110V DC battery remains in a stable condition and is ready to supply DC power to auxiliary equipment when an emergency occurs. From the test results, it was found that the voltage drop in cells number 1 and 7 was recorded at 0.3661 VDC and 1.1948 VDC respectively. It was necessary to take corrective action or replace the battery cells. By measuring the specific gravity of each battery cell, the average value of the specific gravity of the battery was 1,214.59, which is included in the recharge category, meaning that the battery needs to be re-charged. So the results of measuring these two voltages show that the respective voltage balance between positive to ground and negative to ground is in accordance with standards
PROTOTYPE OF AUTOMATIC DISINFECTANT TOOL BASED ON INTERNET OF THINGS (IOT) IMPROVES HEALTHY LIVING HABITS Binazun, Inayah; Adzin Murdiantoro, Randi; Nasrulloh; Munawar, Aris; Fachruroji
Journal of Electronic and Electrical Power Applications Vol. 4 No. 1 (2024): JEEPA Volume 4 Nomor 1
Publisher : Program Studi Teknik Elektro Universitas Peradaban

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58436/jeepa.v4i1.1911

Abstract

Covid is currently starting to subside, one of which is with the handling, recommendation for vaccines from dose 1 dose 2 and booster vaccines. Handling and recommendation for vaccines is one form of government policy and is one of the government's responsibility efforts to the community. The use of disinfectants can be one solution for the community to start living a healthy and clean life, but many people are reluctant to bring disinfectants to public places. The existence of a prototype of an automatic disinfectant tool can provide a solution for people who are reluctant to bring disinfectants out of the house, even every community house can make an automatic disinfectant tool for indoor use. Based on the results and discussions above, it can be concluded that the design of the prototype of an automatic disinfectant sprayer with a proximity sensor based on the internet of things (IOT) to support healthy living habits after the pandemic has been successfully carried out. While the results of the efficiency of the proximity sensor detection time against objects were 86.3% with a proximity sensor error value of 2.1%. The prototype of an automatic disinfectant sprayer with a proximity sensor based on the internet of things (IOT) has successfully sent the results of the prototype disinfectant usage counter to the telegram. Although there are still many shortcomings in this study in building a prototype of an automatic disinfectant sprayer with a proximity sensor based on the internet of things (IOT), the overall system that was built can run well..
HOTSPOT TEST EVALUATION USING THERMOVISI FLIR ON 60 MVA TRANSFORMER CONDUCTOR BAY III Fahturozi, Rela; Mubarok, Rizky; Munawar, Aris; Fachruroji
Journal of Electronic and Electrical Power Applications Vol. 4 No. 1 (2024): JEEPA Volume 4 Nomor 1
Publisher : Program Studi Teknik Elektro Universitas Peradaban

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58436/jeepa.v4i1.1913

Abstract

The operation of the transformer power distribution is the center of the transmission and distribution system. Given the almost continuous hard work of the transformer, its operation needs to be considered to prevent several disturbances that can reduce the optimal work of the transformer. One of the disturbances that can be found in the substation transformer is the hot-spot temperature at the terminal connection between the conductor cable and the equipment at the substation. This temperature is closely related to the protection and reliability of the system in the switchyard. To overcome the problems that occur in the transformer, especially the 150 kV Kalibakal Purwokerto Substation regarding the hot spots that occur at the transformer conductor bay connection. Routine temperature checks are carried out every day at the transformer connection point using a Thermovisi Flir E60 thermal imager measuring instrument that can determine the temperature value at the conductor connection clamp by looking at the infrared light from the tool. The results of the test evaluation carried out in this thermovisi method use the calculation of the temperature difference (∆T) between the clamp and the conductor, the results obtained are that none of the temperatures exceed >10˚C. The calculation of the emissivity value using Stefan Boltzman's law obtained an average emissivity of 0.506, which means it is included in the temperature range in accordance with the Standard Reference Material (SRM) (aluminum emissivity 0.5). Precision testing with a precision percentage expressed by the Coefficient of Variation (CV) obtained from 45 test points is 0.23%, this result can be categorized as a good result from the CV value standard of <2%. The calculation of the accuracy test found a result of 99.88%, which means that the points tested are still in good condition.
COMPARATIVE ANALYSIS OF ON-GRID AND OFF-GRID SOLAR PANEL INSTALLATIONS IN A BUILDING WITH A REQUIREMENT OF 60.5 KWp Fachruroji; Wahyudi, Muhammad Firman; Mubarok, Rizky; Munawar, Aris
Journal of Electronic and Electrical Power Applications Vol. 4 No. 2 (2024): JEEPA Volume 4 Nomor 2
Publisher : Program Studi Teknik Elektro Universitas Peradaban

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58436/jeepa.v4i2.2079

Abstract

Along with the increasing use of electrical energy and air pollution, one of which is caused by fossil fuel resources, has encouraged an increase in the use of renewable energy, especially solar power. Solar Power Plants (PLTS) have become an attractive alternative, especially for industrial and residential needs because they can reduce the cost of conventional electricity bills. At the design stage of the Solar Power Plant on-grid and off-grid systems in buildings with a power of 60,500 Wp by going through the stages of calculating the required load according to the conditions in the building, to obtain the required PLTS component capacity. In the long term, there will be an understanding of the use of renewable energy sustainably. The comparison results show that the cost between installing on-grid PLTS and installing off-grid PLTS is actually greater for on-grid PLTS with a cost of Rp. 444,301,500 than for installing off-grid PLTS with a cost of Rp. 332,214,000. However, the on-grid PLTS system offers a better system because it does not require a large area for battery storage, lower maintenance costs and can remain connected to the main network so it is very suitable for industrial needs.
Co-Authors Adzin Murdiantoro, Randi Binazun, Inayah Fahturozi, Rela Mubarok, Rizky Munawar, Aris Nasrulloh Prasetyono, Rizki Randi Adzin Murdiantoro Safi'i, Ahmad Wahyudi, Muhammad Firman