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All Journal Jurnal Teknik Elektro Universitas Tanjungpura ELKHA : Jurnal Teknik Elektro Jurnal Edukasi dan Penelitian Informatika (JEPIN) Jurnal Teknologi Elektro Jurnal Abdi Insani Indonesian Journal of Electrical Engineering and Computer Science Telecommunications, Computers, and Electricals Engineering Journal Journal of Electrical Engineering, Energy, and Information Technology
Rudi Kurnianto
Department of Electrical Engineering, Tanjungpura University
Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics

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Study of Positioning Effect of Arrester Before and After FCO Next to Distribution Transformer Againts Lightning Surge Strikes Maulasa, Romi; Kurnianto, Rudi; Gani, Usman A.
Journal of Electrical Engineering, Energy, and Information Technology (J3EIT) Vol 12, No 1: April 2024
Publisher : Faculty of Engineering, Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/j3eit.v12i1.76152

Abstract

There are 2 methods of placing the Arrester and Fuse Cut Out (FCO) as protection at  distribution substation, namely the placement of the Arrester before the Fuse Cut Out (FCO) and the placement of the Arrester after the Fuse Cut Out (FCO). Each method has a different impact in overcoming the coming lightning implosion voltage disturbance. The purpose of this study is to determine the effect of arrester placement before and after FCO on distribution transformers on lightning surge interference, and to find out how the performance of arresters and FCO when lightning surge interference occurs. In this study there are three calculations, namely the calculation of the arrester placement before the FCO, the calculation of the arrester placement after the FCO and the calculation of the maximum protection distance of the lightning arrester with the transformer. The results of this study are the placement of the Arrester before the FCO, the surge voltage that passes to the primary side of the transformer is 53,8567 kV/ µs, this value is still below the transformer TID of 125 kV. Then in the Arrester placement after the FCO the surge voltage that passes to the primary side of the transformer is 58   kV/ µs, this value is still below the TID of the transformer of 125 kV. The maximum distance of arrester placement to the transformer is 14,1 m. The conclusion of this research is that the arrester works optimally in the two placements as for FCO does not work well in the Arrester placement after FCO.
DETERMINATION OF FLASH CLOUD – GROUND DENTITY APPROACHED BY GEOSTATISTIC Okqye, Igosius; Kurnianto, Rudi; Danial, Danial
Journal of Electrical Engineering, Energy, and Information Technology (J3EIT) Vol 11, No 2: August 2023
Publisher : Faculty of Engineering, Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/j3eit.v11i2.68581

Abstract

Pontianak City is an area located in the equatorial area which has an area of 107.82 km2 and consists of 6 districts. Because it is located in the equatorial area, it results in the growth of convective clouds in Pontianak City with the potential for lightning and heavy rain. The purpose of this study was to obtain interpolation modeling of lightning strike density in Pontianak City using geostatistical approaches, namely kriging and IDW methods ((Inverse Distance Weighted). The results of the two methods are compared to obtain feasible parameters to use to determine the density of lightning strikes. Based on the results of the analysis, the kriging method with spherical type is better than the exponential and gaussian methods, while for the IDW method power 3 is better than power 1 and 2. The average lightning strikes per grid in the Pontianak area ranges from 2 to 22 strikes per grid/km2/year. The highest strike on the Pontianak Kota grid with 22 strikes and the lowest on the Southeast Pontianak grid with 2 strikes. Meanwhile, based on the contour map of lightning strike density in the Pontianak City area using kriging and IDW methods, the results for the highest lightning strike range are Pontianak City with a total of 5-20 strikes. As for the lowest lightning strike range, namely Southeast Pontianak with a total of 2-9 strikes.
Studi Komparatif Turbin Angin Berdaya Sama dengan Kurva Daya yang Berbeda Berbasis Distribusi Weibull Yandri, Yandri; Khwee, Kho Hie; Kurnianto, Rudi
Jurnal Teknologi Elektro Vol 15, No 1 (2024)
Publisher : Electrical Engineering, Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/jte.2024.v15i1.007

Abstract

Pembangkit Listrik Tenaga Angin merupakan pembangkit yang mengubah energi angin menjadi energi listrik dengan menggunakan turbin angin. Penelitian ini bertujuan untuk membandingkan besarnya energi output dua turbin angin yang memiliki daya nominal yang sama namun dengan merk dan kurva daya yang berbeda. Obyek penelitian tempat pemasangan turbin angin berlokasi di Kota Pontianak dan sekitarnya. Data sekunder kecepatan angin diambil dari data hasil pengukuran Badan Meteorologi, Klimatologi, dan Geofisika (BMKG) Supadio Pontianak selama setahun (1 Januari – 31 Desember 2022), sedangkan untuk turbin anginnya mengambil sampel turbin angin berporos datar (Horizontal Axis Wind Turbine / HAWT) merek A dan merek B, dimana masing-masing memiliki daya nominal 1 kW dengan jumlah sudu sebanyak 3 buah. Fungsi kerapatan probabilitas Weibull digunakan untuk menentukan besarnya probabilitas tiap-tiap kecepatan angin selama setahun. Berdasarkan nilai probabilitas ini disertai dengan kurva daya turbin angin maka besarnya energi output (energi listrik) yang dihasilkan oleh turbin angin selama setahun dapat dihitung. Dari hasil olahan data pengukuran kecepatan angin di BMKG Supadio Pontianak dimana Anemometer dipasang pada ketinggian 10 m di atas permukaan tanah, besarnya kecepatan angin rata-rata selama setahun adalah 3,7160 knot atau 1,9115 m/s. Pemasangan turbin angin A dan B pada ketinggian tersebut akan menghasilkan energi listrik berturut-turut sebesar 159,10 kWh/tahun dan 145,93 kWh/tahun. Dengan demikian energi listrik yang dihasilkan oleh turbin angin A lebih besar dibandingkan turbin angin B.
TRAFO OIL FAILURE BASED ON DISSOLVED GAS ANALYSIS AND VOLTAGE BREAKDOWN RESULTS Fauji, Ahmad; Kurnianto, Rudi; Rajagukguk, Managam
Telecommunications, Computers, and Electricals Engineering Journal (TELECTRICAL) Vol 1, No 1: June 2023
Publisher : Faculty of Engineering, Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/telectrical.v1i1.69800

Abstract

Contamination on the transformer oil can lead to the oil failure of the transformator. Therefore, the transformer oil needs to be tested to make sure the oil is still in good condition. To find indications of oil failure the transformator needs to be tested DGA and BDV. From the results of the analysis with the TDCG method, the gas content in the transformer oil is less than 720 ppm so according to the IEEE standard, the oil transformer is indicated in normal conditions. In the Key Gas method, the percentage of the dominant carbon monoxide gas content is in the range of 85-90% so it is indicated that heating occurs on paper insulation. In the Duval Triangle method, the cut point between methane gas, ethylene and acetylene is in zone 1 and zone 2 so indicated that the oil of the transformator has thermal interference. In the BDV test, the transformer oil resistance values of 40.43 kV and 38.98 kV were obtained according to the IEC oil standard indicated in normal conditions. Of the four methods used to analyze the condition of the oil transformers concluded the oil of the transformers in a good condition but indicated heating.
IDENTIFICATION OF ELECTROMAGNETIC FIELDS RADIATION INTENSITY ON MEDIUM VOLTAGE NETWORK EQUIPMENT Siregar, Niko; Kurnianto, Rudi; Imansyah, Fitri; Yacoub, Redi; Kusumawardhani, Eka
Telecommunications, Computers, and Electricals Engineering Journal (TELECTRICAL) Vol 1, No 1: June 2023
Publisher : Faculty of Engineering, Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/telectrical.v1i1.69919

Abstract

This research is about how to identify electromagnetic fields radiation intensity with measuring the electric fields and magnetic fields then compare it to the radiation exposure standards for public from ICNIRP. With the experimental method directly to the 15 randomize research sites in Pontianak city, each measurement  on 1 site done on 4 sides, front, back, right and left of the objects and each sides done measurement 5 times on different distance from 1 – 5 m.  The objects that has been measured are Transformer, which is very high value of electromagnetic fields compare it to any other medium voltage network equipment. The results still so much lower value than the exposure standards for public, but according to Anies reference there will be some effects about this if the public been exposed to radiation for too long, there are psychological and physicalogical effects. Hopefully this research could be referred to the public to consider the dangers exposed to radiation exposure of electromagnetic fields by medium voltage network equipment.
STUDI POTENSI PEMBANGKIT LISTRIK TENAGA ANGIN MENGGUNAKAN FUNGSI KERAPATAN PROBABILITAS WEIBULL Muyassar, Verrel Andrean; Kurnianto, Rudi; Khwee, Kho Hiee
Journal of Electrical Engineering, Energy, and Information Technology (J3EIT) Vol 10, No 2: Juli 2022
Publisher : Faculty of Engineering, Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/j3eit.v10i2.60669

Abstract

Statistik Weibull sering digunakan sebagai pendekatan distribusi kecepatan angin dan merupakan analisis statistik yang paling cocok dengan data eksperimental. Penelitian ini membahas tentang Studi Potensi Pembangkit Listrik Tenaga Angin menggunakan Fungsi Kerapatan Probabilitas Weibull. Tujuan penelitian ini adalah untuk menghitung besarnya kecepatan angin rata-rata, parameter bentuk dan parameter skala, fungsi kerapatan probabilitas Weibull, serta energi output turbin angin selama setahun baik pada ketinggian hasil pengukuran maupun pada berbagai ketinggian di atas permukaan tanah. Adapun data yang dijadikan rujukan berupa data sekunder kecepatan angin selama setahun (1 Juni 2021 – 31 Mei 2022) yang bersumber dari BMKG Supadio Pontianak dan data turbin angin Travere Industries sebanyak dua sampel (1,6 kW dan 2,1 kW). Berdasarkan hasil yang diperoleh, besarnya kecepatan angin rata-rata pada ketinggian 10 m di atas permukaan tanah (ketinggian hasil pengukuran) adalah 3,4011 knot atau 1,7495 m/s. Apabila menara turbin angin ditinggikan menjadi 15 m, 20 m, 25 m, dan 30 m maka besarnya kecepatan  angin rata-rata berturut-turut adalah 3,6385 knot; 3,8070 knot; 3,9376 knot; dan 4,0444 knot atau 1,8717 m/s; 1,9583 m/s; 2,0255 m/s; dan 2,0804 m/s. Dengan mengimplementasikan Metode Grafik (Graphical Method) diperoleh parameter bentuk  k = 1,1799 dan parameter skala c = 3,2976 knot atau 1,6963 m/s. Parameter bentuk k = 1,1799 mendekati fungsi kerapatan probabilitas Weibull k = 1 dimana kurvanya berbentuk seperti fungsi eksponensial. Kemudian apabila menara turbin angin ditinggikan dengan ketinggian 15 m, 20 m, 25 m, dan 30 m, maka parameter bentuk (k) bernilai tetap, sedangkan parameter skala (c) akan mengalami kenaikan berturut-turut sebesar 3,5275 knot; 3,6910 knot; 3,8175; dan 3,9212 knot atau 1,8145 m/s; 1,8987 m/s; 1,9637 m/s; dan 2,0171 m/s.  Dari nilai k dan c yang didapat maka fungsi kerapatan probabilitas Weibull . Apabila menara turbin angin ditinggikan menjadi 15 m, 20 m, 25 m, dan 30 m maka fungsi kerapatan probabilitas Weibull  berturut-turut adalah ; 0;  ;  dan   . Pada ketinggian 10 m di atas permukaan tanah, besarnya energi listrik selama setahun dari turbin angin Travere Industries 1,6 kW adalah 235,85 kWh. Apabila menara turbin angin ditinggikan menjadi 15 m, 20 m, 25 m, dan 30 m, maka energi listrik yang dihasilkan selama setahun berturut-turut adalah 290,55 kWh; 333,28 kWh; 367,79 kWh; dan 398,09 kWh. Sedangkan pada ketinggian 10 m di atas permukaan tanah, besarnya energi listrik selama setahun dari turbin angin Travere Industries 2,1 kW adalah 688,55 kWh. Apabila menara turbin angin ditinggikan menjadi 15 m, 20 m, 25 m, dan 30 m, maka energi listrik yang dihasilkan selama setahun berturut-turut adalah 835,94 kWh; 948,30 kWh; 1037,38 kWh; dan 1114,50 kWh.
Analysis of 3 kW Solar Power Plant Production Optimization by Improving Energy Production Efficiency Using 3d Pvsyst Simulation Method Fiqri, Teguh Mohammad; Yacoub, Redi Ratiandi; Kurnianto, Rudi; Rusman, Rusman; Hasan, Hasan
ELKHA : Jurnal Teknik Elektro Vol. 17 No.1 April 2025
Publisher : Faculty of Engineering, Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/elkha.v17i1.89864

Abstract

This study aims to analyze the effect of optimizing the position of solar panels on improving energy production efficiency in a 3 kW solar power plant (PLTS) system. The 3D PVsyst simulation method was used to model the system and predict performance before and after optimization. Simulation results indicate that repositioning the solar panels can increase energy production by 2% (from 0.99 kWh to 1.01 kWh). A comparison between simulation results and actual data shows reasonably good agreement, although some differences require further investigation. Discrepancies between simulation and actual data may be attributed to several factors, such as weather conditions, component efficiency, and other environmental factors. This study concludes that optimizing the position of solar panels is an effective step to enhance the performance of PLTS systems. However, further research is needed to consider additional factors affecting system performance and to develop more accurate simulation models
Clustering technique for dense D2D communication in RIS-aided multicell cellular network Susanto, Misfa; Sabella, Soraida; Hakim, Lukmanul; Kurnianto, Rudi; Abd Aziz, Azrina
Indonesian Journal of Electrical Engineering and Computer Science Vol 39, No 2: August 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v39.i2.pp927-940

Abstract

Device-to-device (D2D) communication and reconfigurable intelligent surface (RIS) are well-known as two promising technologies for nextgeneration cellular communication networks. D2D users operate on the same spectrum as traditional cellular users, potentially leading to increased interference and reduced efficiency in frequency resource usage. RIS provides a remedy for clearing blocked signals from obstructions by reflecting the desired signals to the intended receiver. However, RIS elements reflect not only the desired signals but also the interference signals. This paper proposes a distance-based clustering method aimed at creating a grouping algorithm for neighboring D2D users using different channels, thereby reducing co-channel interference. The simulation indicates that the proposed clustering method for D2D users' equipment (DUEs) leads to a 0.72 dB increase in signal-to-interference-plus-noise ratio (SINR), enhances throughput to 11.25 Mbps, and reduces the bit error rate by up to 24×10⁻² compared to the baseline system. The study findings also indicate that cellular users' equipment (CUEs) experience satisfactory signal quality, even with the presence of DUEs on the cellular network. Our clustering algorithm is feasible to deploying D2D densely in RIS-aided cellular network without significantly affecting CUE performance.
PENGABDIAN MASYARAKAT MELALUI IMPLEMENTASI SISTEM PAKAN OTOMATIS PADA TAMBAK IKAN BANDENG DI DESA SEBATUAN Danial, Danial; Rajaguguk , Managam; Kurnianto, Rudi; Arsyad, M. Iqbal; Imansyah, Fitri
Jurnal Abdi Insani Vol 12 No 8 (2025): Jurnal Abdi Insani
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/abdiinsani.v12i8.2827

Abstract

Milkfish farming is one of the main economic activities of coastal communities, including in Sebatuan Village. However, traditional farming practices still face various challenges, particularly in the aspect of feed management, which remains inefficient and tends to be wasteful. This condition not only hampers optimal fish growth but also increases the risk of environmental pollution in the ponds. To address these issues, this community service activity was carried out to implemen an automatic feeding system as an appropriate technological solution. Through a participatory approach, the implementation team and the local community collaborated in the design, training, installation, and trial phases of the system at the pond site. The results of the activity showed improvements in feed efficiency, a reduction in feed waste, and easier pond management. In addition, this initiative contributed to enhancing the farmers’ capacity to adopt simple innovations to support the sustainability of milkfish aquaculture.
Co-Authors - Fahri -, Yandri Abd Aziz, Azrina Ahmad Fauji, Ahmad ARI SUSANTO Ayong Hiendro Danial - Dulhadi, Dulhadi Fiqri, Teguh Mohammad Fitri Imansyah Fitriah Husin Gani, Usman A. Greamaldy, Gheary Hasan Hasan Junaidi, J Junaidi1 . Kho Hie Khwee Khwee, Kho Hiee Kusumawardhani, Eka Lukmanul Hakim M. Iqbal Arsyad Managam Rajagukguk Maulasa, Romi Misfa Susanto Muyassar, Verrel Andrean Nopryansyah, - Nugraha, Ananggirieza Okqye, Igosius Rajaguguk , Managam Rudy Gianto, Rudy Rusman Rusman Sabella, Soraida Sanjaya, Bomo Wibowo Seno Darmawan Panjaitan Setiawati, Firsta Zukhrufiana Silvia Uslianti Siregar, Niko Siti Helmyati Tri Wahyudi Usman A. Gani Yacoub, Redi Yandri Yandri