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All Journal Setrum : Sistem Kendali-Tenaga-elektronika-telekomunikasi-komputer Kilat Energi & Kelistrikan Jurnal Ilmiah Sutet Jurnal Teknik TERANG : Jurnal Pengabdian Pada Masyarakat Menerangi Negeri Journal of Electrical, Electronic, Information, and Communication Technology (JEEICT) Jurnal Locus Penelitian dan Pengabdian
Kartika Tresya Mauriraya
IT PLN
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering

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Pemodelan Cuaca Menggunakan Model Hidden Markov Untuk Pemanfaatan Energi Surya Miftahul Fikri; Samsurizal Samsurizal; Kartika Tresya mauriraya; christiono christiono
KILAT Vol 9 No 2 (2020): KILAT
Publisher : Sekolah Tinggi Teknik - PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33322/kilat.v9i2.1023

Abstract

Energi terbarukan merupakan energi alternatif untuk mengatasi permasalahan yang timbul pada energi konvensional, yaitu terbatas dan menimbulkan polusi yang dapat merusak lingkungan. Disisi lain, Indonesia sebagai negara tropis yang terletak di kawasan katulistiwa, memiliki potensi energi matahari yang melimpah dan bersinar sepanjang tahun. LAPAN mencatat radiasi harian rata-rata energi surya adalah 4.8 KWh/m2. Karenanya, sistem pembangkit listrik tenaga surya (PLTS) memiliki potensi yang sangat besar sebagai sumber energi utama untuk digunakan di Indonesia pada masa depan. Salah satu permasalahan utama saat perencanaan PLTS adalah ketidakpastian cuaca, hal ini menyebabkan kesulitan dalam merencanakan kapasitas PLTS yang dibutuhkan. Permasalahan ini dapat terselesaikan jika ketidakpastian cuaca ini dapat diatasi. Metode yang dapat diandalkan untuk mengatasi ketidakpastian ini adalah pemodelan stokastik, hali ini dikarenakan pemodelan stokastik merupakan suatu model yang dibangun menggunakan aturan-aturan peluang. Model hidden Markov (MHM) merupakan salah satu pemodelan stokastik yang dapat diandalkan tanpa harus mengetahui faktor-faktor penyebab permasalahan yang dimodelkan, termasuk permasalahan pada cuaca ini yang mana faktor-faktor penyebabnya sulit diamati. Ditengah keterbatasan, pemodelan ini menggunakan data cuaca harian BMKG pada wilayah Samarinda, Kalimantan Timur pada tanggal 1 Juli sampai dengan 31 Oktober 2019 (sebanyak 123 hari). Data cuaca yang diperoleh tersebut dikelompokkan menjadi empat kategori, yaitu cerah, cerah-berawan, berawan, hujan. Model dibuat menggunakan data cuaca sebanyak 105 hari, yang mana sisa sebanyak 18 hari digunakan untuk mengecek ketepatan prediksi model. Hasil penelitian menunjukkan bahwa model memiliki ketepatan sebanyak 87 dari 105 hari (82,86%). Adapun keatepatan model untuk memprediksi sebanyak 13 dari 18 hari (72,67%).
Pemanfaatan Tenaga Surya Pada Photovoltaic Jenis Polycristaline Untuk Catu Daya Tanaman Hidroponik Samsurizal Samsurizal; Max Teja Aji; Kartika Tresya M
Energi & Kelistrikan Vol 13 No 1 (2021): Energi dan Kelistrikan: Jurnal Ilmiah
Publisher : Sekolah Tinggi Teknik PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33322/energi.v13i1.984

Abstract

The use of solar energy today as an alternative energy source continues to be used not only in large scale but also utilized on small scale. The use of solar power as a renewable energy source by converting solar energy into electrical energy, utilizing this technology one of them on technology using hydroponic plant systems. In hydroponic pump system used to consume water and nutrients are usually sourced electricity PLN. With the availability of abundant energy sources certainly help reduce electricity consumption from PLN. The design is done on this research by utilizing solar energy as a power supply to turn on the pumps as well as to drain water and plant nutrients running well. The burden used in this study was 20Watt, to supply the load needs of a PLTS fitted with polycristaline type. The highest irradiation at 12.00 is 666 W/M2 which means that at that time the energy is generated maximally. In the design used with the battery capacity using the VRLA Deep Cycle JS12-12 battery type; 12V 12Ah generated and stored electrical energy can turn the 5-6 hour pump on.
Upaya Meningkatkan Efisiensi PLTU Unit 5 PT. PJB Muara Karang Dengan Metode Audit Energi Kartika Tresya Mauriraya; Rio Afrianda; Nurmiati Pasra
Sutet Vol 9 No 2 (2019): JURNAL ILMIAH SUTET
Publisher : Sekolah Tinggi Teknik - PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33322/sutet.v9i2.539

Abstract

Audit Energi adalah tindakan pemeriksaan dan pengujian terhadap energi yang digunakan dalam suatu kegiatan untuk mendapatkan data pemakaian energi, sebagai bahan masukan dan saran berupa tindakan perbaikan dengan tujuan agar dapat dicapainya penggunaan energi secara efisien, dimana semaksimal mungkin output yang sama dapat diperoleh dengan menggunakan energi lebih sedikit, ataupun dengan mengurangi konsumsi dan kegiatan yang menggunakan energi. PLTU unit 5 PT. PJB Muara Karang yang telah beroperasi selama kurang lebih 35 tahun mengalami gap performance yang cukup signifikan terhadap commissioning (new and clean condition) sehingga diperlukan suatu upaya identifikasi untuk mempersempit gap performance tersebut. Kata kunci: PLTU, Commissioning, Audit Energy
PENGEMBANGAN PROGRAM AUTO ECONOMY MODE BERBASIS PLC UNTUK EFISIENSI BAHAN BAKAR DUMP TRUCK HD 785 Tri Wahyu Oktaviana Putri; Kartika Tresya Mauriraya; Teguh Juwono
Sutet Vol 8 No 1 (2018): JURNAL ILMIAH SUTET
Publisher : Sekolah Tinggi Teknik - PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (332.185 KB) | DOI: 10.33322/sutet.v8i1.717

Abstract

This research aims to design an automation system on Dump truck as fuel efficiency effort. The existence of control of fuel efficiency will be very helpful in reducing cost / budget expenditure on each company. Auto Economy mode is an automatic system in the mode of activation (power mode or economy mode) in accordance with the state of the unit load. When the unit is loaded heavy then the system will automatically turn on the power mode. And then, when the unit is not charged, the system will automatically activate the economy mode. Automatic operation of 2 modes would require an enhancement as a controller. In the Auto Economy mode HD785-7 used PLC as a controller.
Optimasi Gangguan Surja Petir Dengan Pengaturan Jarak Lightning Arrester Nurmiati Pasra; Samsurizal Samsurizal; Kartika Tresya
Setrum : Sistem Kendali-Tenaga-elektronika-telekomunikasi-komputer Vol 11, No 1 (2022): Edisi Juni 2022
Publisher : Fakultas Teknik Elektro - Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/setrum.v11i1.14514

Abstract

Several cities in the Indonesian region are tropical areas that have a fairly high level of lightning insecurity, one of which is the Jayapura city. Demographic conditions make up to the occurrence of lightning strikes and fall into the category of regions that have a fairly high level of lightning insecurity. One of the causes of frequent interference in high-voltage systems comes from lightning. For this reason, it is necessary to optimize the interference that may occur by setting the distance between the lightning arrester and the transformer so as to minimize the level of interference that can occur due to lightning. Lightning arrester is one of the protection tools used to protect equipment against short circuit and lightning. From the results and analysis that has been done obtained results with a distance of 4.11 m and 4.40m which has an impulse voltage value due to surja that arrives at its transformer at skyline substation of 114.22 kV and 114.80 kV.  While the optimal distance from the placement of the lightning arrester with the transformer is at a distance of 0.58m at that distance obtained a large value of impulse voltage due to surja that arrives at the transformer of 107.16 kV. The value of impulse voltage due to surja is smaller when compared to the value of impulse voltage due to surja obtained from the lightning arrester separated from the transformer. So that in this study it can be concluded that a good lightning arrester placement is required to be as close as possible to the equipment it protects in order to neutralize the disturbances that can occur.
Edukasi Penggunaan Instalasi Listrik Yang Baik Untuk Menghindari Bahaya Kebakaran Akibat Listrik Di Kelurahan Gondrong Kecamatan Cipondoh Kota Tangerang Kartika Tresya Mauriraya; Rio Afrianda; Nurmiati Pasra; Novi Gusti Pahiyanti; Andi Makkulau; Alex Fernandes; Sigit Sukmajati
Terang Vol 2 No 2 (2020): TERANG : Jurnal Pengabdian Pada Masyarakat Menerangi Negeri
Publisher : Sekolah Tinggi Teknik - PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33322/terang.v2i2.370

Abstract

This community partnership program aims to help the public to know the security of residential installations and fire prevention efforts due to an electrical surge. As well as providing motivation to be able to continue to encourage and apply to the community in the partner area to always prevent fires due to electrical short circuit and use electrical equipment according to standards. With the partnership program activities of the community in the Gondrong neighborhood, Cipondoh Sub-district will be able to provide education on integrated electrical installations to avoid fire hazards due to electricity
Edukasi Pemanfaatan PLTS untuk Penerangan Jalan Umum Di Desa Cilatak Kecamatan Ciomas Kabupaten Serang Banten Kartika Tresya Mauriraya; Rio Afrianda; Alex Fernandes; Andi Makkulau; Dewi Purnama Sari; Novi Kurniasih
Terang Vol 3 No 1 (2020): TERANG : Jurnal Pengabdian Pada Masyarakat Menerangi Negeri
Publisher : Sekolah Tinggi Teknik - PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33322/terang.v3i1.535

Abstract

This community partnership program aims to help provide understanding to the public on the use of PLTS for Public Road Lighting in Cilatak Hamlet, Sukadana Village, and encourage and utilize environmentally friendly small-scale energy, which is very suitable for areas not yet covered by the PLN electricity grid or for energy efficiency on a small scale.
Pengembangan Lampu Jalan Umum Dengan Listrik Tenaga Surya Di Desa Cilatak Kecamatan Ciomas Kabupaten Serang Banten ANDI MAKKULAU; Kartika Tresya Mauriraya; Rio Afrianda; Nurmiati Pasra
Terang Vol 3 No 2 (2021): TERANG : Jurnal Pengabdian Pada Masyarakat Menerangi Negeri
Publisher : Sekolah Tinggi Teknik - PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33322/terang.v3i2.1025

Abstract

Photovoltaic systems or solar power plants convert electromagnetic energy from sunlight into electrical energy. This renewable energy based power plant is one of the recommended solutions for electricity in remote rural areas where sunlight is abundant and fuel is difficult to obtain and relatively expensive. The Ministry of Energy and Mineral Resources has issued Ministerial Regulation regarding the use of the Roof Solar Power Plant system by consumers of the Indonesian Electricity Company (PLN). It is hoped that with this regulation the solar panel business and industry can flourish. The method we use in this Community Service is the observation method. By making observations in the field accompanied by interviews with the surrounding population becomes our primary data source in determining the needs of the problems that occur. In Cilatak Village we found minimal of street lighting, and limited electricity supply, for this reason we strongly support programs for new and renewable energy for remote areas that are difficult to get electricity supply. Based on this, we created the Development of Public Street Lights with Solar Electricity in Cilatak Village, Ciomas District, Serang District, Banten, so that the problems of public road lighting can be overcome, and we educated the utilization and maintenance.
Analisis Variabel Perubahan Suhu Terhadap Karakteristik Tegangan Tembus Dielektrik Udara Christiono; Miftahul Fikri; Iwa Garniwa MK; Kartika Tresya Mauriraya
Jurnal Teknik: Media Pengembangan Ilmu dan Aplikasi Teknik Vol 22 No 1 (2023): Jurnal Teknik - Media Pengembangan Ilmu dan Aplikasi Teknik
Publisher : Fakultas Teknik - Universitas Jenderal Achmad Yani

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55893/jt.vol22no1.459

Abstract

The problem in the tropics is the effect of temperature changes on the high voltage system, resulting in isolation around the electricity distribution in the 20 kV cubicle, which can trigger the insulation failure (breakdown voltages) on a feeder. To reduce the occurrence of power outages due to insulation failure with changing temperatures, direct testing is carried out by providing temperature variations ranging from 30oC to 90oC. To correctly understand the phenomenon, testing should be carried out. The test is carried out every 5 oC temperature increase. Based on the research results, a graph is obtained that explains the decrease in the breakdown value at 50oC, which causes the insulation breakdown voltage to be 27kV, and the decrease in the breakdown voltage at 90oC, which causes the insulation breakdown voltage to decrease to 22kV. Based on experiments, it can be concluded that the greater the temperature rise, The breakdown voltage appears more quickly. Thereafter, the data from the research results were tested using the linear regression analysis method, so that a MAPE obtained 3.89% and an RMSE obtained 1.33 were obtained with an average percentage obtained 0.37%.
Simulation-Based Parameter Optimization Using Genetic Algorithm for Microalgae Bioethanol Production Septianissa Azzahra; Samsurizal Samsurizal; Kartika Tresya Mauriraya; Dody Dody; Yulisya Zuriatni; Istianto Budhi Rahardja
Journal of Electrical, Electronic, Information, and Communication Technology Vol 7, No 2 (2025): JOURNAL OF ELECTRICAL, ELECTRONIC, INFORMATION, AND COMMUNICATION TECHNOLOGY
Publisher : Universitas Sebelas Maret (UNS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/jeeict.7.2.108704

Abstract

Bioethanol is a promising renewable energy source, and microalgae such as Chlorella vulgaris and Spirulina platensis offer high productivity potential. This work applies a Genetic Algorithm (GA) to optimize key environmental parameters—pH, light intensity, and temperature—within a simulation framework over a 100-day cultivation period. GA optimization resulted in a 25% increase in total ethanol yield, from baseline values of 51.00 to 63.66 g/L for Chlorella and 32.64 to 40.79 g/L for Spirulina. We benchmarked GA against Particle Swarm Optimization (PSO), Differential Evolution (DE), and Simulated Annealing (SA); GA consistently delivered superior convergence and final yields. The model incorporates phase‑dependent carbohydrate accumulation and realistic environmental disturbances, though biological complexities such as photoinhibition and nutrient limitations are acknowledged as future work. To enable meaningful convergence, the growth model was extended with mild photoinhibition and nutrient limitation terms, ensuring a more realistic fitness landscape. Findings support the viability of metaheuristic optimization in microalgae biofuel systems and indicate potential for intelligent control integration in photobioreactor operations.
Co-Authors Afrianda, Rio Alex Fernandes CHRISTIONO CHRISTIONO Dody Dody Fikri, Miftahul Istianto Budhi Rahardja Iwa Garniwa MK Makkulau, Andi Max Teja Aji Novi Gusti Pahiyanti Novi Kurniasih Nurmiati Pasra Nurwijayanti Samsurizal Samsurizal Samsurizal Samsurizal Septianissa Azzahra Sigit Sukmajati Suyanto, Heri Teguh Juwono Tri Wahyu Oktaviana Putri Yulisya Zuriatni