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All Journal JTEV (Jurnal Teknik Elektro dan Vokasional Jurnal Informatika dan Teknik Elektro Terapan JOURNAL OF ELECTRICAL AND SYSTEM CONTROL ENGINEERING Journal of Electrical Technology JAUR (Journal of Architecture and Urbanism Research) RELE: Rekayasa Elektrikal dan Energi Jurnal Teknik Elektro INTECOMS: Journal of Information Technology and Computer Science Martabe : Jurnal Pengabdian Kepada Masyarakat Jurnal Abdi Ilmu Jurnal Elektro dan Telkomunikasi Journal of Applied Engineering and Technological Science (JAETS) E-Link: Jurnal Teknik Elektro dan Informatika INFOKUM Journal of Computer Science, Information Technology and Telecommunication Engineering (JCoSITTE) Jurnal Scientia Budapest International Research and Critics Institute-Journal (BIRCI-Journal): Humanities and Social Sciences Jurnal Info Sains : Informatika dan Sains Multidiciplinary Output Research for Actual and International Issue (Morfai Journal) Jurnal Rekayasa Elektro Sriwijaya Prosiding Konferensi Nasional PKM-CSR International Journal of Research in Vocational Studies (IJRVOCAS) COMSERVA: Jurnal Penelitian dan Pengabdian Masyarakat Jurnal Derma Pengabdian Dosen Perguruan Tinggi (Jurnal DEPUTI) JUITECH: Jurnal Ilmiah Fakultas Teknik Universitas Quality Jurnal Nasional Teknologi Komputer Jurnal Media Computer Science Jurnal Komputer Teknologi Informasi Sistem Komputer (JUKTISI) Prosiding Seminar Nasional Teknik UISU (SEMNASTEK) International Journal of Economic, Technology and Social Sciences (Injects) Marhalado Jurnal Teknik Elektro dan Komputer Power Elektronik : Jurnal Orang Elektro Journal of Telecommunication and Electrical Scientific Asian Journal of Environmental Research Journal of Scientific Insights Journal of Electrical Engineering Research Jurnal Teknik Informatika dan Teknologi Informasi The Journal of Information Technology, Computer Science, and Electrical Engineering
Zuraidah Tharo
Univeristas Pembangunan Panca Budi
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Design of a Detector System in Electrical Installations at Dize Photography Studio Alwi Riski; Muhammad Erpandi Dalimunthe; Zuraidah Tharo
INFOKUM Vol. 13 No. 06 (2025): Infokum
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58471/infokum.v13i06.2984

Abstract

The stability of a three-phase power supply is crucial for ensuring the reliable operation of photography studio equipment, which is generally sensitive to electrical disturbances. One common disturbance is phase failure, which can cause equipment damage, reduced work quality, and safety risks. This study aims to analyze and implement a microcontroller-based phase failure detector system capable of detecting abnormal conditions in a photography studio's electrical system quickly and accurately. The system is designed using an ATmega328P microcontroller integrated with voltage sensors on each phase. When one of the phases fails, the system will provide a warning via a buzzer and LED indicator, and can optionally disconnect the load to prevent further damage. Test results show that this detector is capable of detecting the loss of a phase in less than 1 second with an accuracy level of XX% (adjusted based on the results). Thus, this system can improve protection for studio equipment and support more reliable operations.
Comparative Analysis of Cooling Systems in Solar Power Plants on System Performance Imelda Martalata Siburian; Zuraidah Tharo; Rahmaniar Rahmaniar
INFOKUM Vol. 14 No. 02 (2026): Infokum, March-April 2026
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58471/infokum.v14i02.3085

Abstract

Temperature increase in solar panels is one of the main factors that reduces energy conversion efficiency in Solar Power Plant systems. To address this issue, fluid-based cooling methods have become an effective alternative in maintaining panel performance stability. This study analyzes the performance comparison of cooling systems using freshwater and saltwater on panel temperature changes and their effects on power output efficiency. The experimental method was conducted by operating solar panels under the same solar radiation conditions, then applying two types of cooling fluids separately to observe differences in temperature reduction and electrical performance improvement. The analysis results show that both cooling methods can significantly reduce panel temperature, but there are differences in thermal characteristics between them. Cooling using saltwater demonstrates better heat transfer capability, but potentially causes corrosion effects in the long term. Meanwhile, freshwater provides quite effective cooling stability with lower damage risk. These findings provide a comprehensive overview regarding the selection of optimal cooling media to enhance PV system efficiency in tropical conditions.
Reliability Analysis of Power Supply and Protection Systems Against Electrical Disturbances in Fiber Optic Networks in Lightning-Prone Areas Kevin Ferdinand Tamba; Dino Erivianto; Zuraidah Tharo
International Journal of Economic, Technology and Social Sciences (Injects) Vol. 6 No. 1 (2025): Mei 2025
Publisher : CERED Indonesia Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53695/injects.v6i1.1490

Abstract

Fiber-optic communication networks play a crucial role in ensuring smooth high-speed data transmission. However, in lightning-prone areas, these networks are susceptible to disruptions due to voltage surges and power outages, which can degrade service quality. This study aims to analyze the reliability of the power supply and protection systems used in fiber-optic network infrastructure in lightning-prone areas. The research methods include field surveys, power quality measurements, and evaluation of the lightning protection and grounding system designs used. Data were collected from measurements of voltage, current, and duration of electrical disturbances, as well as interviews with network technicians. The analysis results indicate that most disturbances are caused by voltage surges due to indirect lightning strikes that propagate through the power supply lines. Implementation of a protection system that combines surge arresters, effective grounding, and backup power sources (UPS and generators) has been shown to increase network reliability by up to 92% based on Mean Time Between Failure (MTBF) calculations. This study recommends the implementation of a layered protection system with regular maintenance to minimize the impact of electrical disturbances on fiber-optic networks in lightning-prone areas.
Kajian Penataan Kawasan Pajak Ikan Lama Medan Melalui Pendekatan Perancangan Lansekap Andriana, Melly; Indira, Sri Shindi; Tharo, Zuraidah
MARHALADO: Jurnal Pengabdian kepada Masyarakat Vol. 3 No. 4 (2025): November: MARHALADO: Jurnal Pengabdian kepada Masyarakat
Publisher : PT. Arsil Reka Engineering

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62287/marhalado.v3i4.215

Abstract

The rapid growth of Medan as North Sumatra's largest city has increased pressure on its traditional commercial areas, one of which is Pajak Ikan Lama, a long-established textile trading center located in the historic Kesawan area. Uncontrolled pedestrian and vehicle circulation, limited parking availability, and the absence of integrated open space have reduced comfort for both traders and visitors. This community service activity aimed to produce a spatial arrangement study for Pajak Ikan Lama through a landscape design approach, focusing on a skywalk facility as a solution to circulation congestion while preserving the area's historic buildings. The activity applied a descriptive-qualitative method combining field observation, documentation, literature review, and interviews with traders and officials, followed by socialization to the Medan City Housing, Settlement Area, and Spatial Planning Office. The results show that Pajak Ikan Lama holds strong economic potential as a textile trade center as well as historical and cultural potential, marked by heritage buildings such as the Tjong A Fie Mansion and the Lonsum Building. The proposed design consists of an area zoning plan, a skywalk route connecting Jalan Ahmad Yani and Jalan Pulau Pinang, and supporting elements such as active and passive outdoor spaces, parking areas, pedestrian pathways, street lighting, and street furniture. The design was presented to the Medan City Housing, Settlement Area, and Spatial Planning Office as an input for future area planning. This study is expected to serve as a reference for the local government in resolving circulation problems and revitalizing Pajak Ikan Lama as a shopping and heritage tourism area.
Analisis Pengaruh Desain Turbin Crossflow Terhadap Efesiensi Pembangkit Listrik Tenaga Mikrohidro Jamico Nababan; Zuraidah Tharo; Dino Eriviantoa
Jurnal Nasional Teknologi Komputer Vol 6 No 4 (2026): Oktober 2026
Publisher : CV. Hawari

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61306/jnastek.v6i4.538

Abstract

A microhydro power plant (PLTMH) utilizes flowing water, such as rivers or natural waterfalls. A microhydro power plant has a main component called a turbine. The turbine converts the kinetic energy of the fluid into mechanical energy, which is then converted into electrical energy by a generator, one of which is a crossflow turbine. In this study, the crossflow turbine was chosen as a material for the study to analyze several designs including variations in the number of blades, diameter, angle and variations in nozzle design that have an impact on sustainable efficiency where the design of the variation in the number of blades 28 effectively affects the efficiency value with the power produced 24.41kW and for the efficiency value of 79% because it is very optimal while from the variation in the number of blades 26 and 30 the efficiency decreases at 72%, 76%, for angles <30o with an ideal efficiency value of 78%. Water comes out of the first phase blade radially towards the center of the runner, then crosses at the right angle to hit the opposite blade in the second phase and the semi-elliptical or curved nozzle design is a very optimal design for increasing the performance and efficiency of the crossflow turbine in the MHP system.
Analisis Perbaikan Tegangan Penyulang TC-11 Express Gardu Hubung Pulo Tiga dari GI Tualang Cut di PT PLN UP3 Langsa Azman Yusliansyah; Zuraidah Tharo; Adi Sastra Pengalaman Tarigan
Jurnal Teknik Informatika dan Teknologi Informasi Vol. 6 No. 1 (2026): Jurnal Teknik Informatika dan Teknologi Informasi
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jutiti.v6i1.7880

Abstract

The electric power distribution system plays a critical role in delivering electrical energy from sub-stations to final consumers. Voltage quality is a key indicator of distribution system reliability, as unstable voltage can cause equipment malfunctions and reduce customer satisfaction. Voltage drop often occurs in distribution feeders due to line length, high load, and conductor characteristics. This condition is also identified in the TC-11 Express Feeder at the Pulo Tiga Switchyard, supplied by the Tualang Cut Sub-station under PT PLN (Persero) UP3 Langsa, where a decline in voltage quality has been observed at several network points. This study aims to analyze the voltage profile, identify the primary factors causing voltage drop, and determine the most effective improvement methods to enhance voltage quality. The research methodology adopts a descriptive-analytical approach combined with quantitative analysis using technical network data, including load current, line impedance, and feeder length. The standard references utilized are SPLN D3.002-1: 2012 guidelines. Technical improvement methods evaluated in this study are network reconfiguration, capacitor bank installation, and transformer tap changer adjustment. The results of this study are expected to provide an objective technical reference for PLN in optimizing voltage profiles and ensuring sustainable electricity service quality.
Analisis Dampak Penetrasi Pembangkit Energi Terbarukan terhadap Profil Tegangan dan Kualitas Daya Jaringan Distribusi Siti Anisah; Zuraidah Tharo; Fery Karyanta Bangun
JET (Journal of Electrical Technology) Vol 11, No 3 (2026): Edisi Oktober
Publisher : Universitas Islam Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30743/jet.v11i3.14312

Abstract

Penelitian ini bertujuan menganalisis dampak penetrasi pembangkit energi terbarukan terhadap profil tegangan dan kualitas daya jaringan distribusi. Penelitian menggunakan pendekatan kuantitatif empiris pada sistem interkoneksi berkapasitas 50 kWp yang terhubung pada jaringan 380/220 V dengan frekuensi nominal 50 Hz. Data terdiri atas tujuh titik pengamatan pada pukul 06.00–18.00 WIB yang meliputi daya injeksi, tegangan fase-netral, frekuensi, THDv, THDi, dan flicker. Tegangan meningkat dari 221 V pada daya 5 kW menjadi 229 V pada daya 48 kW, dengan rata-rata 224,86 V. Frekuensi rata-rata sebesar 49,997 Hz, THDv rata-rata 2,56%, THDi rata-rata 6,51%, dan flicker maksimum 0,42. Perhitungan ulang seluruh tujuh pasangan data menghasilkan koefisien korelasi Pearson r = 0.981 dan R² = 0.963. Model regresi linear adalah V = 220.731 + 0.162P, dengan V dalam volt dan P dalam kW. Hasil menunjukkan hubungan positif yang sangat kuat antara daya injeksi dan kenaikan tegangan pada titik interkoneksi. Parameter kualitas daya yang diamati tidak menunjukkan kondisi ekstrem selama periode pengukuran. Penelitian difokuskan pada parameter yang tersedia dan tidak memasukkan SAIDI, SAIFI, CAIDI maupun evaluasi BESS sebagai hasil empiris
ANALISIS KEBUTUHAN ENERGI LISTRIK PADA RUANGAN TRANSMISI OPTICAL LINE TERMINAL DI KANTOR TELKOM TANJUNG MORAWA DENGAN PENDEKATAN LOAD FORECASTING BERBASIS DATA HISTORIS Rahmat Rizky Aulya; Parlin Siagian; Zuraidah Tharo
Jurnal Nasional Teknologi Komputer Vol 6 No 4 (2026): Oktober 2026
Publisher : CV. Hawari

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This study analyzes the electrical energy requirements of the Optical Line Terminal (OLT) transmission room at the Telkom Tanjung Morawa Office using a load forecasting approach based on historical data for the 2021–2023 period. This applied research uses a descriptive-analytical quantitative approach and compares three forecasting methods, namely Linear Regression, Double Exponential Smoothing (DES), and ARIMA, which are validated using MAE, RMSE, and MAPE. The results show that energy consumption increased from 555,000 kWh in 2021 to 670,800 kWh in 2023, with an average annual growth of 9.9%. The ARIMA(2,1,1) model provides the best accuracy with a MAPE of 3.9%, compared with DES at 6.8% and Linear Regression at 11.4%. The projected energy requirements for 2024–2026 are 733,800 kWh, 804,000 kWh, and 878,400 kWh, respectively. The estimated peak load is projected to exceed the safe utilization threshold of 80% of the installed capacity of 135 kW by mid-2025. These results indicate the need to plan an increase in electrical system capacity before that period to maintain the operational reliability of the OLT transmission room
Co-Authors AA Sudharmawan, AA Abendanon Siagian ACHMAD FAUZI Adi Sastra P Tarigan Adi Sastra Pengalaman Tarigan Ahmad Faisal Akbar Wirayuda Alfauzan, Alfauzan Alwi Riski Amani Darma Tarigan Amani Darma Tarigan Amani Darma Tarigan Amani Darma Tarigan Andrawadi, Candra Andriana, Melly Angga Maulana Anjani, Bella Arnanda Putra Arnita , Vina Asrul Andi Azman Yusliansyah Bambang Nurdiyansyah Bambang Sugino Barus , Dwi Permatasari Barus, Michael J.T. Bawamenewi, Helpianus Brid, Dwiki Darma Nuriono Budi Hartono Dalimunthe, Erpandi Dalimunthe, Muhammad Erpandi David Siringoringo Deni Firmansyah Deni Prabowo Dicky Lesmana Dikcy Lesmana Dimas Nanda Ikhsan Dino Eriviantoa Dwi Permatasari Barus Eddy Sutejo Eddy Sutejo, Eddy Eka Rahma Daniati Eka Umi Kalsum Erwin Syahputra Erwin Syahputra Syahputra Fajar Ahmad Farizal, Muhammad Fatur Rahman fatur Rahman, fatur Feri Karyanta Bangun Fery Karyanta Bangun God Friend Pastian Lase God Friend Pastian Lase Gultom , Jones Hamdani Hamdani . Hamdani Hamdani Hamdani Hamdani Hamdani Hamdani Hamdani Hamdani Harahap, Yusrizal Pahlevi Haris Gunawan Haris Gunawan Hidayat Yusar, Jumantri Imelda Martalata Siburian Indira, Sri Shindi Irham Amando Lubis Irwan Roganda Malau Ismail Jamico Nababan Jones Gultom Josua Delpiero Sinaga Kevin Ferdinand Tamba Kevin Tri Yuda Khoiri, Muhammad Lamsyah Abdil Hafiz Lesmana, Dicky Loi, Roberto Yusuf M Rizki Liano M. Rizki Liano M. Samsul Hidayat Mei Winda Siagian Melly Andriana Melly Andriana Mhd Idris Muhammad Angga Dwi Andika Muhammad Erpandi Dalimunthe Muhammad Erpandi Dalimunthe Muhammad Fahreza Muhammad Fahreza Muhammad Rizki Syahputra Muhammad Rizki Syahputra Mulawarman Daulay Naufal Aushaf Hadi niar, rahma Nimas Deria Wijayanti Notatema Waruwu Novalinda Pane, Samuel Parlin Siagian Pasaribu, Waldi Prabowo Pradito, Ferdy Haykal Pristisal Wibowo Purba, Alexius Purba, Johans Luther Putra Andhika Putra, Fariz Aditya Putra, Hadi Wiranata Rahmad Mulyadi Rahmadani, Nur Fadilah Rahmadhani Fitri Rahmadsyah Pulungan Rahmaniar Rahmaniar Rahmaniar Rahmaniar Rahmaniar, Rahmaniar Rahmat Rizky Aulya Raihan Nurharfi Ramadhan, Roby Ramayana Bachtiar Ramayana Ramayana Ramayana Ramayana Ranses Wahyudi Sijabat Ridho, M. Ridwan, Wahyu Rikky Yaldi Girsang Rizinski Khaliksi Rizky, M. Ariansyah Robby Wardani Roberto Yusuf Loi Romi Masmur Pasaribu Roy Leo Rensius Hutauruk Ruth Chyntia Rouli Marpaung Sembiring, Regi Jesaya Septiany, Anggie Sianipar, Tigor Pangihutan Sihombing, Charles Ricardo Sihombing, Febrian Simbolon, Banglas Simbolon, Joniko Siregar, Arif Zulfahri Siregar, Israma Dani Siregar, Maimunah Siregar, Maimunah Siti Anisah Siti Anisah Siti Anisah Siti Anisah Siti Anisah Siti Anisah Siti Anisah Siti Anisah Siti Anisah SK, Gavana Mustaqim Slamet Budi Arto Situmeang Solly Aryza Suhardi Suhardi Syafitri, Auna Syafruddin H.S. Syahputra, Mhd Rizki Syahrobi Syahrobi Syawal Sihite Tanzil Al Malik Taqwim, Ahsani Trio Putra Agung Wijaya Umi Kalsum, Eka Vina Arnita Vinda Sri Mulyani H Wageman A. Naiborhu Wibowo , Pristisal Wibowo, Pristisal Yan Bastian Lumbantobing Yunus Satria Solin Zulkarnain Zulkarnain Lubis