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All Journal JTEV (Jurnal Teknik Elektro dan Vokasional Jurnal Informatika dan Teknik Elektro Terapan ITEj (Information Technology Engineering Journals) JOURNAL OF ELECTRICAL AND SYSTEM CONTROL ENGINEERING 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 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 Prosiding Seminar Nasional Teknik UISU (SEMNASTEK) International Journal of Economic, Technology and Social Sciences (Injects) 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
Zuraidah Tharo
Univeristas Pembangunan Panca Budi
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Analisis Pengujian Pemutus Tenaga (PMT) 150 KV Bay Penghantar Tanjung Pura di Gardu Induk Pangkalan Brandan Tanzil Al Malik; Zuraidah Tharo; Haris Gunawan
Jurnal Nasional Teknologi Komputer Vol 5 No 3 (2025): Juli 2025
Publisher : CV. Hawari

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61306/jnastek.v5i3.283

Abstract

Biannual preventive-maintenance results (2022 & 2024) for the 150 kV Tanjung Pura line bay circuit breaker at Pangkalan Brandan Substation confirm reliable performance. Offline tests with Kyoritsu 3125 (5 kV) and ISA CBA-2000/Megger evaluated insulation resistance, contact resistance, operating time and contact synchronization against SPLN 52-1:1984, KEPDIR 0520-2.K/DIR/2014 and OEM limits (≤120 % FAT, ≤120 ms for 150 kV). Insulation far exceeded 1 MΩ/kV: 315–428 GΩ (62 600–85 600 MΩ/kV) in 2022 and 181–190 GΩ (36 200–38 000 MΩ/kV) in 2024; the drop is within safe bounds and linked to instrument variance and insulator surface condition. Contact resistance stayed low at 36.0–38.7 µΩ (<40 µΩ), although resistive loss rose from 0.13–0.139 W to 0.435–0.468 W due to higher load current. Opening time was 37.3–38.9 ms and closing time 68.2–72.6 ms, both compliant. Contact synchronization measured 0.3–0.8 ms open and 3–3.4 ms close, well below the 10 ms limit. The breaker is operationally healthy. Recommendations: periodic instrument calibration, pre-test insulator cleaning, strict adherence to SOPs and safety standards, and improved crew coordination for future consistency and safety.
Analisis Perubahan Daya Motor Pada Pompa Sweet Water Di PT. Unilever Oleochemical Indonesia Putra, Hadi Wiranata; Dalimunthe, Muhammad Erpandi; Tharo, Zuraidah
Power Elektronik : Jurnal Orang Elektro Vol 14, No 2 (2025): POWER ELEKTRONIK
Publisher : Politeknik Harapan Bersama Tegal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30591/polektro.v14i2.9490

Abstract

The three-phase induction motor stands as the predominant choice in industrial applications due to its numerous benefits. To optimize its performance, maintaining the integrity of the motor's power supply is essential. A significant factor influencing power quality is the load applied to the motor. This research focuses on analyzing and calculating the power consumption of a three-phase induction motor under varying control valve opening conditions, ranging from 10% to 100%. The motor under study operates as a pump driver, facilitating the transfer of sweet water in the fatty acid production facility at PT Unilever Oleochemical Indonesia. Key parameters examined include variations in current, power factor, and input power. Findings indicate that when the valve opening varies from 10% to 100%, the motor’s power output reaches up to 106% of its rated capacity at full valve opening. Conversely, at the minimum valve opening, the motor’s efficiency drops to 67.9% relative to its nominal power.
Lithium Battery Efficiency Analysis in Solar Power Plants (PLTS) for Rice Field Irrigation Water Pumps Prabowo, Deni; 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.v13i06.2969

Abstract

Solar Power Plant is a power generation system that uses solar energy to generate electricity. PLTS components consist of solar panels, solar charger controller, battery and inverter. Solar panels are used to convert solar energy into DC electrical energy. The solar charger controller functions to regulate the voltage value distributed to the battery. The battery is used to store electrical power and the inverter is used to convert DC current to AC. In its use, the components installed on the PLTS need to know the efficiency percentage so that the amount of electrical energy utilization that can be generated can be known. This study aims to analyze the efficiency of electrical energy generation produced by solar panels with a capacity of 250 WP and a 2000 W inverter. Tests were carried out 5 times within a 5-hour time span (10:00 WIB – 14:00 WIB) using a 350 W Water Pump load. The test results showed that the solar panels were able to produce an average power of 76.39 W, with the largest power reaching 86.55 W. The calculated solar panel efficiency was 15.13%. The battery efficiency, based on the highest power measured, reached 0.80%. The inverter's power output varied, averaging 919.6 watts, with the highest output reaching 935 watts.
Design of a Detector System in Electrical Installations at Dize Photography Studio Riski, Alwi; 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.
Analysis of the Potential of Remote Monitoring and Control Systems for Energy Efficiency in Office Buildings Roy Leo Rensius Hutauruk; Zuraidah Tharo; Pristisal Wibowo
INFOKUM Vol. 13 No. 06 (2025): Infokum
Publisher : Sean Institute

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

Abstract

Energy consumption in office buildings represents a significant portion of operational costs and environmental impact. Efficient energy management has therefore become a critical priority. This study analyzes the potential of implementing remote monitoring and control systems to improve energy efficiency in office buildings. The system integrates Internet of Things (IoT) technologies and microcontroller-based controllers to monitor and regulate electrical loads such as lighting, air conditioning, and other office equipment. Data collection and analysis were conducted through sensor integration, cloud-based dashboards, and control algorithms. The results show that real-time energy monitoring and automated control can reduce unnecessary energy usage by up to 25%, improve responsiveness to occupancy patterns, and enable predictive maintenance. The system also supports remote access via web or mobile interfaces, allowing facility managers to make informed decisions. The findings suggest that remote monitoring and control systems offer significant potential to enhance energy efficiency, reduce operational costs, and contribute to sustainable building management practices.
PENGARUH KETERGANTUNGAN ENERGI FOSIL TERHADAP KETAHANAN ENERGI NASIONAL DI INDONESIA Syawal Sihite; Zuraidah Tharo; Dino Erivianto
Jurnal Nasional Teknologi Komputer Vol 5 No 3 (2025): Juli 2025
Publisher : CV. Hawari

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61306/jnastek.v5i3.297

Abstract

This study aims to untangle the influence of fossil energy dependence on national energy security in Indonesia. Using a qualitative descriptive approach and literature study as data collection methods, this study examines the actual conditions of the national energy mix, the challenges of the energy transition, and its impact on four dimensions of energy security: availability, accessibility, affordability, and affordability. The results of the study indicate that the dominance of fossil energy in the national energy system causes energy supply vulnerability, distribution inequality, burdens due to fiscal subsidies, and increased carbon emissions. On the other hand, the government's commitment to increasing the portion of renewable energy has not been optimally achieved. Therefore, a more progressive and integrated energy transition strategy is needed to strengthen national energy security. This study contributes as a basis for analyzing more sustainable energy policies in the future.
A Design Of Mini Doppler Detector Circuit System For Human Heartbeat Control Mei Winda Siagian; Solly Aryza; Zuraidah Tharo
Jurnal Scientia Vol. 13 No. 04 (2024): Education and Sosial science, September-December 2024
Publisher : Sean Institute

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Abstract

Fetal Doppler is a tool used to detect the fetal heartbeat in the womb. This tool is widely used in maternity clinics or for mothers who want to hear the sound of the baby's heartbeat in their womb. With this tool, the development of the fetus in the womb can be monitored so that the health of the fetus in the womb remains healthy. The mini Doppler detector circuit has been successfully designed with the expected output results, namely being able to detect frequencies of 2 to 3 Hz. So this circuit can be realized for a mini doppler detector.
Analysis of Solar Panel Design as a Power Source For CCTV at PT. Link NET, TBK Asrul Andi; Zuraidah Tharo; Dicky Lesmana
Jurnal Scientia Vol. 13 No. 04 (2024): Education and Sosial science, September-December 2024
Publisher : Sean Institute

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Abstract

A computer system that uses a video camera to display and record an image at the time and place where the device is installed is CCTV. However, CCTV currently relies on PLN sources. If the PLN source goes out, CCTV will not work. One solution to overcome PLN sources that often go out is to use solar energy and remember that solar energy is very environmentally friendly. This CCTV uses an Arduino Nano microcontroller as a monitoring of battery voltage as a source of electrical power assisted by SCC to regulate the incoming current from the solar panel and the output current to the load used and the battery as a storage voltage of one of the electronic devices that are often used by humans.
ANALISIS FREKUENSI GANGGUAN TERHADAP KINERJA SISTEM PROTEKSI GARDU INDUK 150 KV SIEMPAT RUBE Ridho, M.; Siagian, Parlin; Tharo, Zuraidah
Jurnal Informatika dan Teknik Elektro Terapan Vol. 12 No. 3S1 (2024)
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jitet.v12i3S1.5321

Abstract

Sistem Proteksi Gardu Induk merupakan sistem pengamanan yang dirancang untuk mengurangi dan membatasi kerugian yang ditimbulkan pada peralatan listrik akibat adanya gangguan. Penerapan sistem proteksi ini sangat penting untuk menjamin kelancaran penyaluran daya. Frekuensi gangguan dapat mempengaruhi efisiensi mekanisme proteksi di Gardu Induk. Gangguan dapat terjadi dengan frekuensi yang bervariasi pada transformator daya dan jaringan tegangan menengah (JTM). Penelitian difokuskan pada sistem proteksi Differential Relay (Alstom) dan Over Current Relay (Alstom) pada area transformator daya, serta sistem proteksi Over Current Relay (Alstom) pada jaringan tegangan menengah. Hasil penelitian menunjukkan bahwa grafik frekuensi gangguan yang berdampak pada sistem proteksi area transformator daya 2 di Gardu Induk 150 KV Siempat Rube terdiri dari gangguan teknis, gangguan non teknis, dan gangguan yang tidak diketahui penyebabnya. Sistem proteksi area transformator daya 2 Gardu Induk 150 KV Siempat Rube mempunyai persentase keandalan relai sebesar 100% yang menunjukkan sistem bekerja secara maksimal.
Pemberdayaan Kelompok Tani dalam Meningkatkan Hasil Panen Melalui Penerapan Teknologi Pompa Air Berbasis Energi Terbarukan Tharo, Zuraidah; Siregar, Maimunah; Umi Kalsum, Eka
COMSERVA : Jurnal Penelitian dan Pengabdian Masyarakat Vol. 4 No. 8 (2024): COMSERVA : Jurnal Penelitian dan Pengabdian Masyarakat
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/comserva.v4i8.2744

Abstract

Peningkatan hasil panen merupakan salah satu tujuan utama dalam pertanian yang berkelanjutan. Salah satu cara untuk mencapai tujuan tersebut adalah dengan memberdayakan kelompok tani melalui penerapan teknologi yang ramah lingkungan. Program ini bertujuan untuk menganalisis efektivitas pemberdayaan kelompok tani dalam meningkatkan hasil panen melalui penerapan teknologi pompa air berbasis energi terbarukan. Teknologi ini memanfaatkan sumber daya alam yang dapat diperbaharui, seperti energi surya, sebagai sumber energi utama untuk menggerakkan pompa air yang digunakan dalam irigasi lahan pertanian. Metode yang digunakan dalam penelitian ini meliputi sosialisasi, pelatihan, pendampingan teknis, serta monitoring implementasi teknologi pada kelompok tani yang menjadi objek pada program ini. Hasil pengamatan menunjukkan bahwa penerapan teknologi pompa air berbasis energi terbarukan tidak hanya mampu meningkatkan produktivitas pertanian secara signifikan, tetapi juga mengurangi biaya operasional yang dikeluarkan oleh petani. Di samping itu, teknologi ini membantu meningkatkan kesadaran petani terhadap pentingnya energi terbarukan dan keberlanjutan lingkungan. Pemberdayaan kelompok tani melalui pendekatan teknologi ini diharapkan dapat menjadi solusi yang efektif dalam menghadapi tantangan pertanian modern dan mendukung ketahanan pangan jangka panjang
Co-Authors AA Sudharmawan, AA Abendanon Siagian ACHMAD FAUZI Adi Sastra P Tarigan Ahmad Faisal Akbar Wirayuda Alfauzan, Alfauzan 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 Bambang Nurdiyansyah Bambang Sugino Barus , Dwi Permatasari Barus, Michael J.T. Bawamenewi, Helpianus Brid, Dwiki Darma Nuriono Dalimunthe, Erpandi Dalimunthe, Muhammad Erpandi David Siringoringo Deni Firmansyah Dicky Lesmana Dikcy Lesmana Dimas Nanda Ikhsan 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 God Friend Pastian Lase Gultom , Jones Hadi, Naufal Aushaf Hamdani Hamdani . Hamdani Hamdani Hamdani Hamdani Hamdani Hamdani Hamdani Hamdani Harahap, Yusrizal Pahlevi Haris Gunawan Hidayat Yusar, Jumantri Irham Amando Lubis Irwan Roganda Malau Jones Gultom Josua Delpiero Sinaga Kevin Tri Yuda Khoiri, Muhammad Lamsyah Abdil Hafiz Lesmana, Dicky Loi, Roberto Yusuf 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 niar, rahma Nimas Deria Wijayanti Notatema Waruwu Novalinda Pane, Samuel Parlin Siagian Pasaribu, Romi Masmur Pasaribu, Waldi Prabowo Prabowo, Deni 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 Raihan Nurharfi Ramadhan, Roby Ramayana Bachtiar Ramayana Ramayana Ramayana Ramayana Ranses Wahyudi Sijabat Ridho, M. Ridwan, Wahyu Rikky Yaldi Girsang Riski, Alwi Rizky, M. Ariansyah Robby Wardani Roberto Yusuf Loi 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 Solin, Yunus Satria Solly Aryza Suhardi Suhardi Syafitri, Auna Syafruddin H.S. Syahrobi, Syahrobi Syawal Sihite Tanzil Al Malik Taqwim, Ahsani Umi Kalsum, Eka Vina Arnita Vinda Sri Mulyani H Wibowo , Pristisal Wibowo, Pristisal Yan Bastian Lumbantobing Zulkarnain Zulkarnain Lubis