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All Journal JPM17: Jurnal Pengabdian Masyarakat Journal of Engineering and Scientific Research (JESR) BERNAS: Jurnal Pengabdian Kepada Masyarakat Seminar Nasional Hasil Riset dan Pengabdian (SNHRP) SinarFe7 JURNAL POLI-TEKNOLOGI Uranus: Jurnal Ilmiah Teknik Elektro, Sains dan Informatika
Aris Heri Andriawan
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STABILISASI TANAH LEMPUNG EKSPANSIF DENGAN MENGGUNAKAN CAMPURAN ABU-SEKAM DAN KAPUR Herry Widhiarto; Aris Heri Andriawan; Andik Matulessy
JPM17: Jurnal Pengabdian Masyarakat Vol 1 No 02 (2015)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30996/jpm17.v1i02.538

Abstract

Soil as the foundation of a building must have a carrying capacity that is capable of supporting the load of the building on it. For this type of soil of clay that has a large shrinkage and development properties (expansive clays) as a result of which contained mineral montmorillonite minerals form very easily affected by changes in water content so easily expands further damaging buildings on it. To reduce the fluffy nature of clay is necessary to repair / stabilization by adding mix-husk ash and lime. In this study, carried out by the addition of a mix-husk ash and lime with variations in the percentage of 0%, 4%, 6% and 8%. The results show the value of plasticity index, IP, decreased by 59.35% on a mix-husk ash and lime at 6%, the greater the percentage of mix-husk ash and lime, dry density value,  increasing dry unit weight, decreasing swelling occurs quite 4% greater in percentage mix-husk ash and lime, the CBR value increased with the increasing percentage-husk ash and lime.Keywords: expansive clay, montmorillonite minerals, plasticity index, swelling, dry density, CBR.
Analisa Prediksi Usia Pakai Tranformator 60 MVA Berdasarkan Pengaruh Pembebanan dan Temperatur Menggunakan Metode Regresi Linier Bagas Berlianto; Aris Heri Andriawan; Izzah Aula Wardah
Seminar Nasional Hasil Riset dan Pengabdian Vol. 6 (2024): Seminar Nasional Hasil Riset dan Pengabdian (SNHRP) Ke 6 Tahun 2024
Publisher : LPPM Universitas PGRI Adi Buana

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Abstract

AbstrakTransformator Daya adalah alat krusial dalam distribusi listrik ke konsumen, dan denganmeningkatnya kebutuhan listrik setiap tahun, perhatian terhadap pembebanan transformator sangatpenting untuk memastikan kinerjanya optimal. Suhu lingkungan yang melebihi 20℃ dapatmengurangi umur pakai transformator tersebut. Transformator yang digunakan dalam penelitianini adalah transformator daya. yang dipasang pada tahun 2017 di gardu induk Bambe.Transformator ini dioperasikan pada suhu lingkungan maksimum 30℃. Dalam penelitian inidata pembebanan yang digunakan dari tahun 2019 – 2023 Untuk memprediksi umur pakaitransformator daya 60 MVA di Gardu Induk Bambe pada tahun 2035, dengan asumsi nilaipembebanan 82,29 dan faktor susut umur sebesar 1,33 p.u., diperkirakan sisa umurtransformator adalah 1 tahun 5 bulan. Metode regresi linear digunakan untuk meramalkanpeningkatan pembebanan tahunan sebesar 2%, dengan hasil peramalan pembebanan padatahun 2024 sebesar 68,01 dan pada tahun 2035 sebesar 82,29.Kata Kunci: Pembebanan, Suhu, Transformator Daya, Usia Pakai Transformator
Design and Installation of Lightning Arrester System at Karitas Yogyakarta Junior High School Widagdo, Reza Sarwo; Puji Slamet; Aris Heri Andriawan; Izzah Aula Wardah; Balok Hariadi; Iswahyudi, Yolan Bagus Putra
BERNAS: Jurnal Pengabdian Kepada Masyarakat Vol. 6 No. 1 (2025)
Publisher : Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31949/jb.v6i1.10612

Abstract

The Karitas Yogyakarta junior high school building is located in Yogyakarta, standing on an area of 4,750 m² with two buildings of two floors each. This building is located near swamps and settlements between people's houses, and is surrounded by plantations and rice fields at the back. This building is not equipped with a lightning distribution system, even though tall buildings need this system to protect against the danger of lightning strikes. This research designs a lightning distribution system according to applicable standards, and the results show that the density of lightning strikes per year is 20.28 km²/year with the largest equivalent coverage area of 8,297.045466 m². The highest probability of a lightning strike to a building is 0.086 with protection level I for all buildings. To protect the entire building, 9 lightning rods are needed and the grounding system requires 3 electrode rods.
Kajian Teknis Penerangan Jalan Umum Kawasan Industri dan Pergudangan di Jalan Margomulyo Surabaya Dimas Katon Aji Dharma; Aris Heri Andriawan; Izzah Aula Wardah
Uranus: Jurnal Ilmiah Teknik Elektro, Sains dan Informatika Vol. 3 No. 1 (2025): Maret: Uranus: Jurnal Ilmiah Teknik Elektro, Sains dan Informatika
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/uranus.v3i1.625

Abstract

Street lighting is infrastructure that the community needs at night, as a support for improving the safety, comfort and security of motorists. Street lighting sometimes still does not comply with the standards determined by the National Standards Body 7391:2008, so sometimes it requires recalculation according to the standard requirements determined by the National Standards Body. Jalan Margomulyo Surabaya is an arterial road with a width of 11 meters and a length of 4000 meters. This road is an industrial and warehouse area which is passed by large trucks of cars, motorbikes and the surrounding community every day. The lighting on Jalan Margomulyo is still found to be less than optimal and there are still black spots at several points, so re-planning needs to be done to produce maximum lighting. On Jalan Margomulyo there are around 90 ornamental poles with 120 Watt LED lights. Which produces an average illumination of 13.9 lux and consumes energy of 129.6 Kwh/day. However, the results of the lights installed in the field produced an average illumination that was less than optimal, so re-planning was carried out using 150 Watt LED lights with an ornamental handlebar angle of 19.19 for 90 light points along the road, which would produce an average illumination of 19.09 lux, light intensity 1863.05 cd which is in accordance with the National Standards 7391:2008.
Analysis of Fault Locations Using the Impedance Method on the GIS 150 kV Transmission Line Karang Pilang Surabaya Reza Sarwo Widagdo; Budiono, Gatut; Aris Heri Andriawan; Puji Slamet; Putra, Roy Wibatsu
Jurnal Poli-Teknologi Vol. 23 No. 2 (2024)
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/pt.v23i2.6837

Abstract

Transmission lines often experience difficulties in determining the location of interference, due to the length of the transmission line. This interference can be secured by using relays, one of which is a distance relay, this tool secures the zone 1, zone 2 and zone 3 areas on the transmission line. Apart from relays, there is also a tool to determine the fault distance, namely a fault locator. These two tools are examples of protection on transmission lines. The method used in this research uses the impedance method to determine the distance the fault occurs and the settings on the distance relay. This technique is often used in electric power systems and is very effective for transmission lines, such as those in Karang Pilang, because of its ability to detect disturbances in transmission lines and equipment. Based on the analysis results, calculating the fault distance using the impedance method shows that the calculated value is very close to the distance measured by the fault finder. Specifically when a short circuit occurs, the impedance method calculates a distance of 14.35 km, while the fault locator measures it at 14.59 km with a margin of error of 1.5%.
Analysis of Losses Due to Load Unbalance in a 2000 kVA Transformer at Supermall Mansion 2 Tower Tanglin Surabaya Reza Sarwo Widagdo; Aris Heri Andriawan
Journal of Engineering and Scientific Research Vol. 5 No. 2 (2023)
Publisher : Faculty of Engineering, Universitas Lampung Jl. Soemantri Brojonegoro No.1 Bandar Lampung, Indonesia 35141

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jesr.v5i2.144

Abstract

The load unbalance causes a neutral current, the current flowing in the neutral conductor will cause an increase in losses in the transformer. The greater the losses incurred, the efficiency and reliability of the transformer will decrease. Based on this, a study was conducted on analyzing the losses on distribution transformers at Supermall Mansion 2 Tower Tanglin which aims to determine the percentage value of transformer loading, the value of transformer imbalance, the value of transformer losses, and the value of transformer efficiency. This is done so that the value of the installed transformer does not exceed the applicable SPLN value. During the measurement, it was found that the percentage value of the transformer loading was 38.88% during the daytime and 48.89% at night (maximum SPLN 80%, minimum 40%). The load unbalance value is 11.66% during the daytime and 10.33% at night (SPLN is categorized as good if < 10%). Copper losses (Pcu) are 91.3 kW during the daytime and 94.2 kW at night. The value of losses due to neutral currents is 0.134 kW with a percentage of 0.0071% during the daytime and 0.173 kW with a percentage of 0.0090% at night. The percentage of the current value in the neutral conductor is 26.36% during the day and 24.04% at night (SPLN is categorized as good if < 20%).
Studi Kinerja Sistem Proteksi Arus Lebih pada Sistem Distribusi Tegangan Menengah 20 kV Penyulang Nginden PT. PLN UP3 Surabaya Selatan Reza Sarwo Widagdo; Aris Heri Andriawan; Ilham Daffa Firdaus Al Bukhori
SinarFe7 Vol. 7 No. 1 (2025): SinarFe7-7 2025
Publisher : FORTEI Regional VII Jawa Timur

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Abstract

Sistem distribusi 20 kV memiliki kerentanan terhadap gangguan yang disebabkan karena arus hubung singkat sehingga berpotensi menimbulkan kerusakan peralatan serta mengganggu kontinuitas pasokan energi. Penelitian ini bertujuan mengevaluasi kinerja sistem proteksi arus lebih (OCR) pada Penyulang Nginden 20 kV di PT PLN UP3 Surabaya Selatan. Analisis menunjukkan bahwa nilai arus gangguan menurun seiring bertambahnya jarak titik gangguan dari gardu induk. Gangguan tiga fasa menghasilkan arus tertinggi, yakni 17.021,27 A pada posisi 10% panjang penyulang, dan menurun hingga 5.137,42 A di ujung penyulang (100%). Untuk gangguan dua fasa, arus berkisar dari 8.510,63 A hingga 2.568,71 A, sedangkan gangguan satu fasa ke tanah berada pada rentang 5.655,67 A hingga 1.517,61 A. Penentuan setting OCR mengacu pada arus beban 480 A, dengan rasio CT 1000/5 dan faktor keamanan 1,2, sehingga diperoleh arus setting 576 A serta Time Multiplier Setting (TMS) sebesar 0,150 detik. Hasil pengujian memperlihatkan bahwa waktu kerja relay bervariasi sesuai jenis dan lokasi gangguan: gangguan tiga fasa terdeteksi paling cepat, yakni 0,299–0,469 detik; gangguan dua fasa berada pada kisaran 0,379–0,691 detik; sedangkan gangguan satu fasa ke tanah memiliki waktu deteksi terlama, yaitu 0,449–1,073 detik. Konfigurasi setting ini memenuhi kriteria keandalan, selektivitas, sensitivitas, dan kecepatan operasi, sehingga dapat mendukung optimalisasi kinerja sistem proteksi pada jaringan distribusi 20 kV.
Rancang Bangun PLTS Menggunakan Sistem Hybrid Pada Rumah Tangga Untuk Menggurangi Ketergantungan Energi Listrik Dari PLN Wahyu Bagus Rahmatulloh; Aris Heri Andriawan
Uranus: Jurnal Ilmiah Teknik Elektro, Sains dan Informatika Vol. 2 No. 3 (2024): September: Uranus: Jurnal Ilmiah Teknik Elektro, Sains dan Informatika
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/uranus.v2i3.207

Abstract

Based on national policy, renewable energy is a source of energy that can be renewed, such as water, geothermal, sun, biomass, wind, changes in sea temperature, biogas, biofuel and sea waves. The sun is a type of renewable energy that is used to fulfill human needs. This condition is because the sun is basically eternal or never runs out, so its use is easier than other renewable energy. PLTS is a power plant that converts sunlight energy into electrical energy, often called a solar cell. This design is intended to study the hybrid PLTS design system to reduce dependence on electrical energy from PLN. A hybrid system is a system that uses two energy sources which will then back up each other. The results of this test in the solar panel test, the highest voltage was 17.51 ​​and the highest current produced by the solar panel was 4.12, and the battery charging test for 9 hours was 51.85Ah. Weather conditions and time differences cause the light intensity received by the panel to produce varying values, voltage, current and power due to uncertain weather conditions.
Audit Energi Listrik Gedung Tower 1 Institut Teknologi Sepuluh Nopember Surabaya Moch Ilham Syafiq; Aris Heri Andriawan; Izzah Aula Wardah
Uranus: Jurnal Ilmiah Teknik Elektro, Sains dan Informatika Vol. 2 No. 3 (2024): September: Uranus: Jurnal Ilmiah Teknik Elektro, Sains dan Informatika
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/uranus.v2i3.311

Abstract

Tower 1 at Institut Teknologi Sepuluh Nopember Surabaya is a high-rise building (High Risk Building) in the education and office sectors, experiencing an annual increase in energy consumption. Therefore, regular and thorough energy audits are necessary to save electricity consumption and ensure that usage aligns with the Indonesian Ministry of Energy and Mineral Resources Regulation No. 13 of 2012. An energy audit is a method to calculate the energy consumption level of a building and determine potential energy savings through energy conservation. The Electrical Energy Consumption Intensity (IKE) is used as a parameter to determine whether the building's energy consumption is efficient or wasteful. The initial energy audit of Tower 1 was conducted quantitatively with on-site measurements over one year, covering the building's electrical system and area. The measurements indicated that the IKE of Tower 1 is 50.86 kWh/m²/year. Subsequently, the total installed electrical energy consumption load was calculated, yielding an IKE of 166.15 kWh/m²/year. Based on the initial energy audit results, energy conservation measures were recommended, including upgrading the lighting system with higher lumen lamps and adjusting air conditioning (AC) to the established standards. Implementing these recommendations resulted in an increased IKE of 176.04 kWh/m²/year, which is still considered efficient compared to the ASEAN-USAID standard of 240 kWh/m²/year.  
Co-Authors Andik Matulessy Bagas Berlianto Balok Hariadi Dimas Katon Aji Dharma Gatut Budiono Herry Widhiarto Ilham Daffa Firdaus Al Bukhori Iswahyudi, Yolan Bagus Putra Izzah Aula Wardah Moch Ilham Syafiq Nurwijayanti Puji Slamet Putra, Roy Wibatsu Reza Sarwo Widagdo Wahyu Bagus Rahmatulloh