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SINAGA, DESMAN JONTO
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DESAIN SISTEM PROTEKSI OVERCURRENT DAN GROUND FAULT RELAY UNTUK JARINGAN TEGANGAN MENENGAH MENGGUNAKAN ETAP 19.0.1 M.Wahyu Prawindu; Muhammad Ilham Hasibbuan; Hutur P Siahaan; Arwadi Sinuraya; Desman Jonto Sinaga
JOURNAL SAINS STUDENT RESEARCH Vol. 3 No. 6 (2025): Jurnal Sains Student Research (JSSR) Desember
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jssr.v3i6.7088

Abstract

Medium-voltage (20 kV) power distribution systems are highly susceptible to short-circuit faults and single line-to-ground faults. To ensure system reliability and supply continuity, a protection scheme that is selective, fast, and adaptive to real network conditions is essential. This study aims to design a protection system based on Overcurrent Relays (OCR) and Ground Fault Relays (GFR) using the ETAP 19.0.1 software. The methodology includes single-line system modeling, fault simulations, and analysis of Time-Current Characteristic (TCC) curves and relay selectivity. Simulation results indicate that all relays operate within a selective time range (0.12 s – 0.65 s) without curve overlaps. The minimum selectivity factor (Ks) achieved is 2.1, exceeding the standard threshold of 1.8 for isolated-neutral systems. The proposed design provides reliable protection against high-resistance faults and is suitable for practical implementation in Indonesia’s distribution networks.
Inovasi Penggunaan Static VAR Compensator (SVC) pada Jaringan Transmisi untuk Profil Tegangan yang Lebih Stabil Padang, Roni Bonatua; Lubis, Muhammad Fiqra Rijali; Sinuraya, Arwadi; Sinaga, Desman Jonto
Jurnal Informatika, Multimedia dan Teknik Vol 2 No 1 (2025): Juli-Desember 2025
Publisher : Yayasan Pendidikan Tanggui Baimbaian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71456/jimt.v2i1.1548

Abstract

Stabilitas tegangan merupakan aspek kritis dalam operasi sistem tenaga listrik modern, terutama pada jaringan transmisi yang mengalami fluktuasi beban tinggi. Penelitian ini menganalisis implementasi Static VAR Compensator (SVC) untuk meningkatkan stabilitas tegangan pada sistem transmisi 150 kV. Metode yang digunakan adalah simulasi aliran daya menggunakan sistem 7-bus dengan konfigurasi radial. Hasil analisis menunjukkan bahwa sebelum implementasi SVC, sistem mengalami penurunan tegangan signifikan dari Bus 3 (13.224 kV) ke Bus 4 (12.872 kV), dengan overloading pada kabel mencapai 108,3%. Setelah pemasangan SVC di Bus 4 dengan kapasitas induktif 10 MVAr dan kapasitif 50 MVAr, profil tegangan sistem mengalami perbaikan substansial. SVC mampu menstabilkan tegangan dengan menyediakan kompensasi daya reaktif dinamis, mengurangi losses transmisi, dan meningkatkan margin stabilitas sistem. Implementasi ini membuktikan efektivitas SVC dalam meningkatkan kualitas dan keandalan sistem tenaga listrik.
Perbaikan Drop Voltage Menggunakan Kapasitor Bank pada Sistem Distribusi 6 Bus Tamba, Saut Martondi Raja; Lumban Gaol, Kristianus; Purba, David Anrey; Annisha, Firalda; Sinuraya , Arwadi; Sinaga, Desman Jonto
JOURNAL SAINS STUDENT RESEARCH Vol. 3 No. 6 (2025): Jurnal Sains Student Research (JSSR) Desember
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jssr.v3i6.7166

Abstract

Penelitian ini membahas perbaikan drop tegangan pada sistem distribusi enam bus dengan menggunakan kapasitor bank sebagai kompensasi daya reaktif. Masalah utama yang dihadapi pada sistem distribusi adalah penurunan tegangan di beberapa bus, terutama di ujung feeder, yang berakibat pada berkurangnya efisiensi dan peningkatan rugi-rugi daya. Penelitian ini dilakukan melalui pemodelan sistem enam bus menggunakan perangkat lunak ETAP dengan metode aliran daya berbasis Newton-Raphson. Simulasi awal tanpa kapasitor menunjukkan bahwa tegangan minimum terjadi di Bus6 sebesar 96,73%, yang mendekati batas bawah standar SPLN T6.001-2013, sementara bus lain seperti Bus5 dan Bus4 juga mengalami penurunan tegangan. Setelah dilakukan penambahan kapasitor bank sebesar 300 kVAR pada Bus6, profil tegangan mengalami perbaikan signifikan dengan peningkatan tegangan Bus6 menjadi 98,00%, Bus5 menjadi 98,49%, dan Bus4 menjadi 98,98%. Selain itu, aliran daya reaktif dari trafo menurun karena sebagian kebutuhan reaktif telah disuplai oleh kapasitor bank. Hasil penelitian menunjukkan bahwa pemasangan kapasitor bank mampu mengurangi drop tegangan, menekan rugi-rugi daya, serta meningkatkan efisiensi dan keandalan sistem distribusi.
KARAKTERISTIK DINAMIK MESIN LISTRIK PADA VARIASI BEBAN DAN KONDISI OPERASI Rianda Sapitra Lubis; Genap Munthe; Eva Morani Sinurat; Desman Jonto Sinaga; Arwadi Sinuraya
Jurnal Media Akademik (JMA) Vol. 3 No. 12 (2025): JURNAL MEDIA AKADEMIK Edisi Desember
Publisher : PT. Media Akademik Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62281/wfmbdd44

Abstract

Penelitian ini menyajikan analisis komprehensif mengenai karakteristik dinamik mesin listrik, khususnya motor induksi tiga fasa, melalui metode literature review sistematis terhadap delapan publikasi ilmiah yang relevan. Motor induksi merupakan mesin yang paling banyak digunakan di sektor industri karena ketangguhan, konstruksi sederhana, serta kebutuhan perawatan yang rendah. Namun demikian, perilaku dinamik motor ini sangat kompleks karena dipengaruhi oleh sifat nonlinier parameter elektromagnetik, perubahan beban mekanik, dan variasi kondisi operasi. Pemahaman terhadap karakteristik dinamik tersebut menjadi sangat penting mengingat motor induksi sering beroperasi dalam kondisi transien seperti starting, perubahan beban mendadak, variasi frekuensi suplai, dan ketidakseimbangan tegangan, yang dapat memengaruhi arus, torka, kecepatan rotor, hingga stabilitas sistem secara keseluruhan. Hasil kajian menunjukkan bahwa kondisi starting dapat menghasilkan arus masuk yang jauh melebihi arus nominal disertai torka awal yang tinggi, sehingga menuntut adanya pemodelan dinamik yang akurat dan pengaturan proteksi yang tepat. Studi-studi yang menggunakan pemodelan dq0 membuktikan bahwa pendekatan matematis ini efektif dalam memetakan interaksi transien antara arus stator, fluks rotor, dan torka elektromagnetik. Variasi frekuensi suplai dari 50 Hz ke 60 Hz terbukti menghasilkan perubahan signifikan pada torka steady-state, durasi transien, dan potensi kenaikan temperatur motor. Sementara itu, variasi beban menunjukkan pengaruh besar terhadap konsumsi energi, profil torka–kecepatan, serta waktu penyetelan menuju keadaan mantap. Sintesis dari seluruh temuan menunjukkan bahwa performa dinamik motor induksi ditentukan oleh interaksi simultan antara faktor elektris, mekanis, dan kondisi sistem tenaga. Kajian literatur ini memberikan dasar teoritis yang kuat untuk pengembangan strategi kontrol, sistem proteksi, serta optimasi kinerja motor listrik pada aplikasi industri modern.
Peningkatan Keamanan dan Efisiensi Kapal Nelayan Tradisional melalui Penerapan Sistem Kelistrikan dan Navigasi Fishfinder Solihin, Muhammad Dani; Siregar, Rosma; Sinaga, Desman Jonto; Rahmadini, Fathia; Astrid, Erita
Jurnal IPTEK Bagi Masyarakat Vol 5 No 2 (2025)
Publisher : Ali Institute of Research and Publication

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55537/j-ibm.v5i2.1387

Abstract

This activity aims to support the Nelayan Bahagia (Happy Fishermen) group in Belawan 1 Subdistrict, Medan Belawan District, by providing solutions to the challenges they face, such as low fish catch due to inadequate fishing equipment. The proposed solution includes the implementation of an electrical system and fishfinder navigation technology to help identify potential fish-gathering locations. The program will be carried out through several stages, including outreach, training, technology implementation, mentoring, and program sustainability evaluation. The method used involves a participatory approach with the direct involvement of partners in each phase of the activity, supported by ongoing assistance to ensure program sustainability. Trial results indicate that with the use of a fishfinder, fishermen’s operational time at sea can be reduced by up to 25%, and fishermen reported an increase in daily catch of 20–25% compared to before the implementation of the tool. The application of the electrical system and fishfinder navigation not only improves energy efficiency and catch productivity but also generates sustainable socio-economic benefits for traditional fishermen. Fuel efficiency reduces operational costs, while increased catch improves economic welfare. Socially, the technology enhances safety, knowledge, and solidarity among fishermen.
PENGGUNAAN PEMBANGKIT CADANGAN BERBASIS GENERATOR DIESEL 2000 kVA DI PT. CHAROEN POKPHAND Agung Dwi Rizky Gultom; Feby Glenice Telaumbanua; Olnes Yosefa Hutajulu; Desman Jonto Sinaga
JURNAL ILMIAH NUSANTARA Vol. 3 No. 1 (2026): Jurnal Ilmiah Nusantara Januari 2026
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jinu.v3i1.7268

Abstract

Keandalan pasokan listrik sangat penting bagi industri pakan ternak yang beroperasi terus-menerus, termasuk PT. Charoen Pokphand Indonesia. Untuk mengatasi risiko pemadaman, perusahaan menggunakan generator diesel 2000 kVA sebagai pembangkit cadangan. Penelitian ini bertujuan menilai kinerja operasional genset, tingkat pembebanan, dan efektivitas perawatan. Metode meliputi observasi lapangan, pencatatan tegangan, arus, frekuensi, dan suhu, serta analisis daya selama tiga jam pengamatan. Hasil menunjukkan tegangan dan frekuensi stabil, dengan pembebanan 32 sampai 42 persen yang masih dalam batas aman. Kenaikan suhu tetap normal. Temuan ini menunjukkan bahwa perawatan konsisten mampu menjaga keandalan genset dan mendukung kelancaran produksi.
Analisis Sistem Eksitasi Pada Generator Sinkron 11KV Unit 2 ULPLTA Sipansihaporas Gaul Pernandes Tambunan; Helfridolin Gultom; Heber Riko Parulian Manalu; Desman Jonto Sinaga
JURNAL ILMIAH NUSANTARA Vol. 3 No. 1 (2026): Jurnal Ilmiah Nusantara Januari 2026
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jinu.v3i1.7415

Abstract

The excitation system is a fundamental component in the operation of synchronous generators, functioning to regulate output voltage stability and control reactive power during dynamic load variations. This research was conducted at ULPLTA Sipansihaporas Unit 2, which generates 17 MW using a static excitation system equipped with an Automatic Voltage Regulator (AVR) and 110 V DC battery for initial excitation. The objective of this study is to analyze the excitation process, identify the main components of the excitation system, and evaluate its performance under operational load conditions. Data for this research was obtained directly from field observations and generator operational parameters recorded through the Central Control Room (CCR). The results indicate that the excitation current and voltage remain constant at 520 A and 58 V respectively despite fluctuations in active and reactive power. The system was able to maintain the terminal voltage at 11.4 kV and frequency at 50 Hz ± 0.1, demonstrating stable performance and operational reliability. These findings confirm that the excitation system of Unit 2 performs efficiently in supporting power system stability and reliability within the regional grid.
Analisis Respons Transien Motor DC terhadap Perubahan Beban Menggunakan Kontrol PI Michael Oklando Sihotang; Takwa Padang; Roihan Parli Lubis; Desman Jonto Sinaga; Arwadi Sinuraya
JURNAL ILMIAH NUSANTARA Vol. 3 No. 1 (2026): Jurnal Ilmiah Nusantara Januari 2026
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jinu.v3i1.7422

Abstract

. This study analyzes the transient response of a DC motor to load variations using a Proportional-Integral (PI) controller implemented through MATLAB/Simulink simulation. The DC motor is modeled using a transfer function and tested under three conditions: without controller, with PI controller tuned by PID Tune (PI1 and PI2), and with a step load disturbance applied at seconds. Performance is evaluated based on rise time, peak time, overshoot, settling time, steady-state error, and recovery time. The results show that the system without control is highly sensitive to load changes, exhibiting a large steady-state error and a significant speed drop. The application of PI control improves system stability and accuracy; PI1 reduces the steady-state error to 1.65% (no-load) and 2.71% (with load) with minimal overshoot, while PI2 provides faster response with very low steady-state error (0.28% no-load and 0.27% with load) at the expense of slightly higher overshoot. Overall, PID Tune is effective in generating stable PI parameters, where PI2 achieves the best performance in response speed and accuracy, and PI1 is more favorable in minimizing overshoot.
Analisis Bahaya Arc-Flash pada Sistem Distribusi Industri Menggunakan ETAP Berbasis IEEE 1584-2018 Gilbert Sarda Sinaga; Alfredo Sibarani; Hudai Hasnandi; Desman Jonto Sinaga
JURNAL ILMIAH NUSANTARA Vol. 3 No. 1 (2026): Jurnal Ilmiah Nusantara Januari 2026
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jinu.v3i1.7423

Abstract

The reliability and safety of industrial electrical power systems have become paramount priorities given the serious threats posed by arc-flash phenomena, which can cause severe injuries, equipment damage, and operational disruptions. This study aims to analyze arc-flash hazards in multi-bus industrial distribution systems using ETAP software based on IEEE 1584-2018 standards. The research methodology employs an experimental simulation design by constructing a distribution system model encompassing bus components, transformers, transmission lines, and protective devices. The analysis focuses on three critical points: Bus 4, Bus 6, and Bus 7. Simulation results indicate that Bus 4 exhibits the highest incident energy of 56.52 cal/cm² with an arc-flash boundary of 5.324 m (NFPA 70E category F), Bus 6 generates 45.90 cal/cm² with a boundary of 4.663 m (category F), and Bus 7 produces 34.40 cal/cm² with a boundary of 3.880 m (category E). The findings underscore the necessity for implementing high-level personal protective equipment, optimizing protection coordination to reduce fault clearing time, and conducting periodic evaluations of protection systems to enhance operator safety and the reliability of industrial distribution systems.
Pemodelan Interaksi Medan Listrik Dinamis dan Gelombang Elektromagnetik Monang Marpaung; Gideon Fercy Silitonga; Wandani Putri Siregar; Arwadi Sinuraya; Desman Jonto Sinaga
JURNAL ILMIAH NUSANTARA Vol. 3 No. 1 (2026): Jurnal Ilmiah Nusantara Januari 2026
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jinu.v3i1.7491

Abstract

This research stems from the need to understand the complex relationship between time-varying electric fields and electromagnetic waves, which often presents difficulties in simulating their propagation in various media. The primary focus is to develop a numerical model capable of predicting the dynamics of this interaction, thus enabling its use in antenna development and radiation evaluation. The applied method includes a Finite-Difference Time-Domain approach, which solves the fundamental equations stepwise in both the time and space domains. The results show that the model is capable of reproducing transverse propagation patterns with a high degree of accuracy and detecting strong mutual induction effects at high frequencies. These findings provide a foundation for improving the performance of electromagnetic devices, minimizing potential interference, and opening up new innovations in the telecommunications sector.
Co-Authors Agung Dwi Rizky Gultom Alfredo Sibarani Andira Annisa, Selly Annisha, Firalda Anzila Nada Zahra Arga Sakti Oktavianus Sihombing Arwadi Sinuraya Arwadi Sinuraya Azliana Siregar Baginda Asyraq Nasution Caecilia Kristiwinita Sitanggang Christoper Alfredo Laoli Diki Wahyudi Dinda Tri Hasanah Sihombing Egy Wira indana Erita Astrid Ershada Sinuraya, Khata Eva Morani Sinurat Feby Glenice Telaumbanua Fritz Immanuel S, Michael Gaol, Goklas Lumban Gaul Pernandes Tambunan Genap Munthe Genhard Leonardo Situmorang Gideon Fercy Silitonga Gilbert Sarda Sinaga Heber Riko Parulian Manalu Helfridolin Gultom Hisar Alexcandra Hudai Hasnandi Hutasoit, Ungkap Swandi Triswanto Hutur P Siahaan Irenius Aditya Lumbangaol Jeki Parlindungan Simarmata Jerryo Daniel Saragih Joya Margaretha Siregar Julio Betran Simalango Lubis, Muhammad Fiqra Rijali Lumban Gaol, Kristianus M.Wahyu Prawindu Marbun, Raymon Kristovel Michael Oklando Sihotang Monang Marpaung Muhammad Ashari Muhammad Dani Solihin Muhammad Farhan Muhammad Ikbal Muhammad Ilham Hasibbuan Muhammad Rizky Hidayah Olnes Y. Hutajulu Padang, Roni Bonatua Pratama, Saras Purba, David Anrey Rafles Marulitua Situmorang Rahmadini, Fathia Reihan Akbar Sitompul Rianda Sapitra Lubis Rifqi Dwi Kurniawan Rio Rivaldo Sinurat Rizki Abdillah Rizki Renaldi Roi Tua Simarmata Roihan Parli Lubis Rosma Siregar Saragi, Dian Putra Sinuraya , Arwadi Takwa Padang Tamba, Saut Martondi Raja Tanjung, Mhd Fajar Dwiandra Wandani Putri Siregar Willis Martin Sitorus