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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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Analysis the Effect of Control Valve Opening on Loading Crude Glycerine Water Pump Motor At PT. Unilever Oleochemical Indonesia Brid, Dwiki Darma Nuriono; Tharo, Zuraidah; Wibowo , Pristisal
Asian Journal of Environmental Research Vol. 2 No. 1 (2025): January-April
Publisher : CV. Science Tech Group

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69930/ajer.v2i1.274

Abstract

In the palm oil industry, three-phase induction motors have a very important role in the production process. One of the problems that arises is the quality of the loading power on the motor which can make the motor performance less than optimal. In this study, an analysis and calculation of the power of a three-phase induction motor were carried out with the condition of opening the control valve in stages from 0% to 100%. The motor to be discussed is a three-phase induction motor that works as a pump driver for transferring crude glycerine water to the tank farm at the fatty acid 2 plant at PT. Unilever Oleochemical Indonesia. By using the observation method in conducting research to obtain measurement data, the variables taken are changes in current, power factor, and input power. From the results of this study, the output power value and power efficiency on the motor were obtained when the valve was opened 0%-100%, at the highest valve opening      of 100%, the motor output power was 4.39 KW with a power efficiency on the motor of 95%, at the lowest valve opening, the motor output power was 3.22 KW with an efficiency value obtained 95%.
Pemberdayaan Kelompok Tani dalam Meningkatkan Hasil Panen Melalui Penerapan Teknologi Pompa Air Berbasis Energi Terbarukan Zuraidah Tharo; Maimunah Siregar; Eka Umi Kalsum
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
Analysis of High Frequency and Low Frequency Charging Systems on 12VDC Solar Power System Batteries Firmansyah, Deni; Tharo, Zuraidah
Journal of Scientific Insights Vol. 2 No. 1 (2025): February
Publisher : Science Tech Group

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69930/jsi.v2i1.271

Abstract

Batteries are an essential product for alternative energy, required for various electronic devices and everyday human needs. Rechargeable batteries must be carefully managed to avoid quick damage due to improper charging systems or poor-quality chargers. Charging a 12V battery is done by continuously flowing current until the battery voltage reaches its specified value. As technology advances, many battery chargers are available on the market, using either high or low frequencies. By comparing the measurement results of high-frequency charging systems (using MOSFET and switching) and low-frequency systems (using transformers), we can draw conclusions that demonstrate the performance and quality of charging in these different systems.
MEKANISME PERENCANAAN PLTS OFF-GRID UNTUK DAYA 1300VA PADA RUMAH TINGGAL Pasaribu, Romi Masmur; Tharo, Zuraidah
E-Link: Jurnal Teknik Elektro dan Informatika Vol 18 No 2: Oktober 2023
Publisher : Universitas Muhammadiyah Gresik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30587/e-link.v18i2.6129

Abstract

Pemasangan Pembangkit Listrik Tenaga Surya (PLTS) pada rumah tinggal dengan pasokan PLN 1300 VA membuka potensi besar bagi penggunaan energi baru dan terbarukan (EBT) di masa depan. Penelitian ini mengungkapkan hasil analisis sistem PLTS sebagai sumber tambahan listrik untuk rumah dengan rata-rata konsumsi harian sekitar 10,816 kWh. Sistem PLTS yang diterapkan merupakan tipe off-grid, dengan komponen utama terdiri dari panel surya 500 Wp, inverter 2000 W, dan baterai Lithium-ion 24 V 100 Ah. Sebelum adanya PLTS, penggunaan listrik dari pasokan PLN mencapai 249 kWh dengan biaya sekitar Rp. 359.730 per bulan, berdasarkan tarif Rp. 1.444,70/kWh. Namun, setelah pemasangan PLTS, penggunaan listrik turun menjadi 163,5 kWh dengan estimasi biaya sekitar Rp. 237.000 per bulan, dengan asumsi tarif Rp. 1.444,70/kWh. Dengan kehadiran PLTS, terlihat penurunan yang signifikan dalam tagihan listrik yang harus dibayar setiap bulan.
PERENCANAAN MEP (MECHANICAL, ELECTRICAL DAN PLUMBING) PADA BANGUNAN CAGAR BUDAYA WARENHUIS DI MEDAN Hadi, Naufal Aushaf; Tharo, Zuraidah; Anisah, Siti
E-Link: Jurnal Teknik Elektro dan Informatika Vol 18 No 2: Oktober 2023
Publisher : Universitas Muhammadiyah Gresik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30587/e-link.v18i2.6138

Abstract

Gedung Warenhuis dibangun pada 1919, merupakan gedung toko serba ada pertama di Sumatera dan terbesar di Hindia Belanda. Namun, keadaan gedung saat ini rusak berat secara keseluruhan. Berdsarkan SK No 433/28.K/X/2021 Tahun 2021 tentang bangunan, situs, kawasan dan struktur cagar budaya kota, menjadikan Gedung Warenhuis menjadi salah satu objek cagar budaya dari 93 objek yang ada. Dengan demikian dilakukanlah kajian yang bertujuan agar dapat menjadi panduan konservasi yang sesuai dengan kaidah dan aturan yang berlaku di Indonesia dan Kota Medan. Dalam upaya revitalisasi gedung, perencanaan MEP sangat dibutuhkan dengan tujuan agar bangunan ini dapat berfungsi sebagaimana mestinya. Berdasarkan hasil data yang ada, gedung warenhuis memiliki luas 3779.24m2 dengan konsumsi daya listrik 200.95 KW dan kebutuhan air 32.58m3.
Analisis Pengaruh Pembukaan Control Valve Terhadap Pembebanan Pada Motor Pompa Crude Glycerine Water di PT. Unilever Oleochemical Indonesia Brid, Dwiki Darma Nuriono; Tharo, Zuraidah; Wibowo, Pristisal
INTECOMS: Journal of Information Technology and Computer Science Vol. 8 No. 2 (2025): INTECOMS: Journal of Information Technology and Computer Science
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/intecoms.v8i2.14943

Abstract

Dalam industri kelapa sawit motor induksi tiga fasa memiliki peranan yang sangat penting dalam proses produksi. Salah satu permasalahan yang muncul adalah kualitas daya pembebanan pada motor yang dapat membuat performa motor tidak maksimal. Pada penelitian ini dilakukan analisis dan perhitungan daya motor induksi tiga phasa dengan kondisi pembukaan control valve bertahap dari 0% sampai 100%. Motor yang akan di bahas adalah motor induksi tiga phasa yang bekerja sebagai penggerak pompa untuk transfer crude glycerine water ke tank farm yang ada pada plant fatty acid 2 di PT.Unilever Oleochemical Indonesia. Dengan menggunakan metode observasi dalam melakukan penelitian untuk memperoleh data pengukuran maka variabel yang diambil adalah perubahan arus, faktor daya, dan daya masukan. Dari hasil penelitian ini diperoleh nilai daya output dan efisiensi daya pada motor saat pembukaan valve 0%-100%, pada pembukaan valve tertinggi 100%, daya output motor adalah 4,39 KW dengan efisiensi daya pada motor sebesar 95%, pada pembukaan valve terendah, daya output motor adalah 3,22 KW dengan Nilai efisiensi yang diperoleh 95%.
Analysis Of Lithium Ion Battery Characteristics In Electric Motors Syahrobi, Syahrobi; Muhammad Erpandi Dalimunthe; Zuraidah Tharo
INFOKUM Vol. 13 No. 02 (2025): Infokum
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58471/infokum.v13i02.2799

Abstract

Lithium-ion (Li-ion) batteries are one of the battery technologies widely used in electric motorcycles (EVs) because they have high efficiency and good durability. This battery functions as the main energy source for electric vehicles and is an important component in supporting vehicle performance. This study aims to analyze the characteristics of Lithium-ion batteries in electric motorcycles by considering factors such as operating temperature, voltage, and the influence of speed and terrain. Tests were carried out on flat and uphill tracks with speed variations of 10 km/h, 30 km/h, and 50 km/h. The results showed that Lithium-ion batteries tend to experience a faster increase in temperature when used at high speeds, but the battery voltage remains stable during the Discharge and Charging process without any significant spikes. These findings provide insight into the performance of Lithium-ion batteries in electric vehicles, as well as the importance of temperature management to maintain optimal battery performance.
An Analysis of Performance Comparison of Circuit Breaker Protection Systems in Packing and Picking Operations at PT. Shippindo Teknologi Logistik Sianipar, Tigor Pangihutan; Wibowo, Pristisal; Tharo, Zuraidah
Journal of Computer Science, Information Technology and Telecommunication Engineering Vol 6, No 1 (2025)
Publisher : Universitas Muhammadiyah Sumatera Utara, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/jcositte.v6i1.23676

Abstract

The protection system in circuit breakers plays a crucial role in maintaining operational stability and safety in the logistics industry, particularly in the packing and picking processes, which involve high-capacity electrical equipment. This study aims to analyze and compare the performance of circuit breaker protection systems in the packing and picking operations at PT. Shippindo Teknologi Logistik, focusing on efficiency, safety, and equipment maintenance. The research methodology includes direct testing of the circuit breakers used in operational processes in the field. The analysis evaluates the capability of circuit breakers to respond to various electrical load conditions during the operation of packing and picking machines. Performance parameters such as response time to electrical disturbances, resistance to overcurrent, and frequency of automatic tripping were measured to compare the different types of circuit breakers used. The results indicate significant differences in the protection performance among the types of circuit breakers, particularly in terms of response time and resistance to current surges. Circuit breakers equipped with the latest technology demonstrated superior performance in maintaining system stability and minimizing equipment downtime. More responsive protection systems were found to enhance operational efficiency while reducing the risk of equipment damage and operational disruptions. In conclusion, the selection of an appropriate circuit breaker protection system significantly impacts the sustainability of packing and picking operations in the logistics industry. This study recommends adopting advanced protection technology circuit breakers to optimize performance at PT. Shippindo Teknologi Logistik
An Analysis of Solar-Wind Hybrid Power Plants for Practical Learning Zuraidah Tharo; Siti Anisah; Fatur Rahman
INFOKUM Vol. 12 No. 04 (2024): Engineering, Computer and Communication, November 2024
Publisher : Sean Institute

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

Abstract

A hybrid solar-wind power plant is a combination of two renewable energy sources, namely solar and wind energy, used to generate electricity. This study aims to analyze the performance and efficiency of a hybrid solar-wind power system as a practical learning tool. The research methodology involves collecting performance data from solar panels and wind turbines, as well as analyzing the integration of these two energy sources. The results show that the hybrid system can enhance the stability and continuity of electricity supply compared to using a single energy source. The implementation of a hybrid solar-wind power plant as a learning tool provides students with a deeper understanding of the application of renewable energy technologies and encourages innovation in the field of sustainable energy.
Stability Analysis of Electric Power Systems Using Controllers Facts on Transmission System Vinda Sri Mulyani H; Siti Anisah; Zuraidah Tharo
INFOKUM Vol. 13 No. 04 (2025): Infokum
Publisher : Sean Institute

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

Abstract

Power system stability is a critical factor in maintaining the continuity and quality of energy supply, especially in transmission systems that face load fluctuations and integration of renewable energy sources. The main problems in this study are voltage instability and reactive power oscillations that often occur due to disturbances such as sudden load changes or short circuits, as well as the limited capacity of conventional controllers in reducing these impacts. This study aims to explore the role of Static VAR Compensator (SVC) as part of Flexible AC Transmission Systems (FACTS) technology in improving transmission system stability through a qualitative approach. The research method is carried out with descriptive analysis based on literature studies, mathematical modeling of the power system, and numerical simulations to understand the dynamics of the system response to disturbances. The focus is given to qualitative evaluation of the interaction between SVC, system parameters (voltage, reactive power, and phase angle), and the impact of controller placement on network reliability. Simulation case studies cover small to large disturbance scenarios to assess the effectiveness of SVC in restoring stability. The results show that SVC integration makes a significant contribution to improving the dynamic stability of the transmission system. Qualitative analysis finds that SVC is able to reduce voltage oscillations and accelerate post-disturbance system recovery through adaptive reactive power regulation. However, the limited capacity of SVC in handling extreme disturbances indicates the need for combination with other FACTS controllers (such as STATCOM or UPFC) for more complex systems. This study also reveals the importance of proper SVC placement strategy to optimize its effectiveness.
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