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All Journal Transmisi: Jurnal Ilmiah Teknik Elektro ELKHA : Jurnal Teknik Elektro JURNAL NASIONAL TEKNIK ELEKTRO CYCLOTRON Buletin Ilmiah Sarjana Teknik Elektro Electrices : Jurnal Otomasi Kelistrikan dan Energi Terbarukan International Journal of Computer and Information System (IJCIS) Jurnal Nasional Teknik Elektro dan Teknologi Informasi Jurnal Ilmiah Teknik Elektro Journal of Advanced Technology and Multidiscipline (JATM) International Journal of Electrical, Computer, and Biomedical Engineering (IJECBE)
Husnayain, Faiz
Departemen Teknik Elektro FTUI Electric Power And Energy Studies (EPES) UI
Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Medicine & Pharmacology

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Lockdown Impact due to Corona Pandemic on Electric Power Quality and Its Alternative Solutions for a University Office Building Ida Ayu Vadanti Locana Diwy; Amien Rahardjo; Aji Nur Widyanto; Faiz Husnayain; Rudy Setiabudy
ELKHA : Jurnal Teknik Elektro Vol. 14 No. 2 October 2022
Publisher : Faculty of Engineering, Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/elkha.v14i2.56226

Abstract

The pandemic has changed the usage pattern of electrical appliances in buildings. This new pattern can create new problems in terms of power quality and thus affect the electrical system’s reliability. The purpose of this study is to determine the power quality of the Dean Office Building, Faculty of Engineering, Universitas Indonesia, and propose alternative solutions to its problems. To determine the quality of electric power, the related parameters such as voltage, current, power factor, and harmonics are measured first. The measurement results are compared with existing standards. If these standards cannot be met, damage to electrical equipment can occur. Out of eight parameters, three did not meet the criteria. First, overvoltage on average voltage with the range of 231.5-232.8 V. Second, IHDi nominal on the 3rd, 5th, 7th, and 15th harmonics for Thursday, April 7, 2022 on 06:11 with the value of 70.3%, 55.34%, 27.1%, and 8.07%. And third, the minimum power factor for the T phase with the value of 0.7219 is still less than 0.85. Possible solutions include checking and changing the supply transformer tap-changer, making an energy monitoring system and wiring diagram for understanding the load profile of the building, and using a single-tuned filter for harmonic currents.
Interconnection Study of a 3 MWp Solar Farm on 20 kV Distribution System Considering Power Flow and Short Circuit Nadyanti Larasati; Amien Rahardjo; Hanindito Titah Prameswara; Faiz Husnayain
ELKHA : Jurnal Teknik Elektro Vol. 12 No. 2 October 2020
Publisher : Faculty of Engineering, Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/elkha.v12i2.41598

Abstract

Currently, renewable energy is under review so that its use can be more widespread in the future. One of the renewable energy sources that are commonly used is solar energy through solar cell technology that can convert solar energy into electrical energy and then becomes one of the components that makes up the solar power plant. The use of the solar power plant can be interconnected with distribution networks in electric power systems, both medium-voltage networks and low voltage networks. In this study, a 3 MWp capacity of solar power plant was conducted with the medium-voltage network system of X City. This interconnection study consisted of power flow and short circuit studies using ETAP 12.6.0 software. The results of the power flow study show the voltage level of each bus has increased by 0.293%-0.926% after interconnection with the solar power plant system, with a value that still matches the SPLN 1:1978 standard of 90% to 105%. Besides, the results of short circuit study show the value of the three-phase short circuit fault current experienced a change in value that is not too significant, with an increase of 1-37 A and a decrease of 1-5 A, with a value that is still according to the protection component rating standard of 25 kA.
Design of Mazzilli’s Zero Voltage Switching (ZVS) Circuit as Plasma Glow Discharge Generator Anisah Muthi’ah; Amien Rahardjo; Faiz Husnayain; Chairul Hudaya
ELKHA : Jurnal Teknik Elektro Vol. 12 No. 2 October 2020
Publisher : Faculty of Engineering, Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/elkha.v12i2.41769

Abstract

Purification water has several methods; one of them is the plasma generation. The circuit used to generate plasma is Zero Voltage Switching (ZVS), where its use uses the resonance circuit concept. The main category to generate plasma glow discharge is the circuit should generate high voltage output with a current range from 10-6 A to 1 A. In this study, when ZVS connected to the flyback converter with an input voltage of 12 V, the output values of 11 kV and 11 μA were obtained. In comparison, if ZVS was not connected to the flyback converter, the circuit is less stable, and the output value is weak because the output values only reach 8.97 kV and 8.97 μA. For maximum output, the ZVS circuit should be connected to the converter circuit due to the flyback converter can repair and strengthen the voltage. The flyback converter circuit is affected by the diode and capacitance effects. The effect of using capacitors in a flyback converter circuit is when the capacitance is too low, the ripple will form. Then when capacitance reaches a specific value, the ripple will decrease, and the voltage graph will approach a straight line. Hence the use of components in the ZVS and the flyback converter need to be considered because it affects how the release of plasma glow discharge will form.
Pengaruh Perubahan Tegangan Masukan Terhadap Efisiensi Energi Kompor Induksi Budi Sudiarto; Justinus Dipo Nugroho; Faiz Husnayain; Agus R. Utomo; I Made Ardita
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 12 No 2: Mei 2023
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jnteti.v12i2.6784

Abstract

Efficiency in energy use is essential for achieving national energy security. Dependence on energy supplies with high levels of imports can make a nation to be more susceptible to crises and dependence. It also includes the provision of energy sources for cooking needs. An electric induction cooker is one of the alternatives to the liquified petroleum gas (LPG) gas stove used for cooking. Given the high government import subsidy for LPG procurement, diversification of energy sources for cooking needs to be done. Cooking with an induction cooker is more efficient than cooking with a gas stove because it requires a shorter cooking time, and less heat energy is wasted. The energy efficiency of induction cookers ranges is approximately 80% or twice that of gas cookers ranges, which is at 40%. Nonetheless, the level of energy efficiency of induction cookers can be affected by the electricity supply voltage. Electricity conditions in Indonesia with a voltage service quality level of 220 V ± 10% result in the energy efficiency of induction cookers varying. This study analyzes the effect of input voltage variations on the energy efficiency of induction cookers. The input voltage was varied from 230 V to 200 V with a difference of 10 V using four brands of induction cookers. The test results indicate that the efficiency is directly proportional to the input voltage, where the higher the input voltage will provide the greater the induction cooker’s energy efficiency.
Evaluasi Sistem Proteksi Petir Eksternal pada Bangunan Pusat Perbelanjaan Studi Kasus Gedung XYZ Athaya Mahira; Aji Nur Widyanto; Faiz Husnayain; Ismi Rosyiana Fitri
CYCLOTRON Vol 7 No 02 (2024): CYCLOTRON
Publisher : Universitas Muhammadiyah Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30651/cl.v7i02.23283

Abstract

Sustainable Development Goals (SDGs) adalah 17 tujuan global yang disusun oleh Perserikatan Bangsa-Bangsa untuk mengatasi berbagai tantangan global seperti kemiskinan, degradasi lingkungan, perdamaian, dan perubahan iklim. Salah satu tujuannya adalah poin 11, "sustainable cities and communities," yang bertujuan membuat kota dan pemukiman manusia inklusif, aman, tangguh, dan berkelanjutan. Indonesia, dengan iklim tropisnya, rentan terhadap hujan petir yang bisa menyebabkan kerusakan elektronik, cedera, kematian, dan kebakaran. Dengan Indeks Kerawanan Petir (IKL) 45%, Jakarta adalah salah satu kota dengan risiko tinggi terhadap petir, sehingga penting untuk mengevaluasi sistem proteksi petir pada bangunan perkotaan. Salah satu bangunan yang banyak di Jakarta merupakan bangunan pusat perbelanjaan. Penelitian ini menganalisis risiko pada salah satu bangunan pusat perbelanjaan di Jakarta, Gedung XYZ, yang dilakukan berdasarkan standar nasional dan internasional. Sistem proteksi petir eksternal yang terpasang adalah Early Streamer Emission (ESE). Evaluasi dilakukan berdasarkan standar NF C 17-102 dengan fokus pada terminal udara, konduktor penyalur, dan sistem pentanahan. Empat skenario perbaikan area proteksi terminal udara ditawarkan: penggeseran, penambahan, penggantian batang penangkal, dan aplikasi sistem konvensional. Perbaikan sistem grounding melibatkan pemasangan ground ring electrode atau penambahan elektroda pentanahan di setiap sistem terminasi tanah.
Energy Management System using Evolutionary Mating Algorithms for Optimizing Energy Usage and User Comfort in Office Building Alvin, Bob; Husnayain, Faiz; Sudiarto, Budi; Setiabudy, Rudy
International Journal of Electrical, Computer, and Biomedical Engineering Vol. 2 No. 2 (2024)
Publisher : Universitas Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62146/ijecbe.v2i2.50

Abstract

Indonesia has set a target to reduce emissions by 29% or 835 million tons of CO2 by 2030, which was increased to 32% or 912 million tons of CO2 in 2023. The building sector is one of the largest contributors to emissions in Indonesia. To reduce these emissions, the Indonesian government has issued energy conservation regulations requiring each sector to reduce energy consumption. According to Government Regulation No. 33 of 2023, energy conservation is mandatory for energy users in the building sector who use energy sources equivalent to or greater than 500 Tons of Oil Equivalent. One way to conserve energy is by implementing energy-efficient technologies, without compromising the comfort of building users, which includes thermal and visual comfort as part of indoor environmental quality (IEQ). An energy-efficient technology using the Evolution Mating Algorithm (EMA) is proposed. This study will discuss energy use without compromising building user comfort in tropical countries using the EMA optimization algorithm. The study demonstrates that EMA successfully optimizes energy use without reducing user comfort in tropical countries.
Comparison Performance Analysis of PI and PI-ANFIS in VSC-HVDC Transmission Systems Aziz, Muhamad Abdul; Husnayain, Faiz
International Journal of Electrical, Computer, and Biomedical Engineering Vol. 2 No. 3 (2024)
Publisher : Universitas Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62146/ijecbe.v2i3.66

Abstract

Voltage Source Converter-High Voltage Direct Current (VSC-HVDC) transmission systems are preferred for long-distance power transmission due to their flexibility and stability. However, maintaining optimal performance and stability during transient conditions and disturbances is challenging. This research analyzes the performance of VSC-HVDC systems using Proportional-Integral Adaptive Neuro-Fuzzy Inference System (PI-ANFIS) control compared to conventional PI control. A VSC-HVDC system model with PI control provides the basis for generating input-output data to train the ANFIS model. Subsequently, a VSC-HVDC model with PI-ANFIS control is developed and optimized. Performance evaluation under transient conditions and both permanent and temporary disturbances reveals that PI-ANFIS significantly enhances system performance. PI-ANFIS reduces overshoot, accelerates settling time in active power, reactive power, and DC voltage control, and improves stability and recovery time during disturbances. The adaptability and learning capabilities of ANFIS offer additional flexibility for dynamic conditions and unexpected disturbances. This study highlights intelligent control technology advancements, promoting reliable and adaptable power transmission systems, and lays the groundwork for future research and practical applications of PI-ANFIS control in VSC-HVDC systems.
Evaluasi Sistem Pencahayaan Di Bangunan Sekolah Studi Kasus SMA XYZ Sholihah, Najwati; Aji Nur Widyanto; Faiz Husnayain; Ismi Rosyiana
Electrices Vol 6 No 2 (2024): Volume 6 Nomor 2 Tahun 2024
Publisher : Jurusan Teknik Elektro, Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/ees.v6i2.7040

Abstract

Pencahayaan di sekolah berpengaruh terhadap kinerja akademik siswa, di mana pencahayaan yang buruk dapat mengganggu konsentrasi dan menyebabkan masalah penglihatan. Penelitian ini bertujuan mengevaluasi sistem pencahayaan di SMA XYZ sesuai dengan standar SNI 03-6575-2001 terkait tingkat pencahayaan (lux) dan SNI 6197-2011 terkait daya maksimum sistem pencahayaan. Dua tahap yang dilakukan adalah audit pengukuran dan simulasi perbaikan menggunakan perangkat lunak DIALux Evo. Hasil pengukuran menunjukkan bahwa tingkat pencahayaan gabungan antara pencahayaan alami dan buatan melebihi standar, dengan rata-rata 607% pada pengukuran grid dan 203% pada pengukuran bidang kerja. Sedangkan apabila cahaya buatan saja, nilainya jauh di bawah standar. Untuk mengatasi kurangnya pencahayaan, maka diusulkan tiga skenario. Skenario Kedua, yaitu mengganti lampu tanpa mengubah titik lampu, terbukti paling optimal, memberikan efisiensi energi serta kualitas pencahayaan yang lebih baik dengan biaya operasional yang tidak terlalu tinggi. Hasil penelitian ini diharapkan dapat menjadi rekomendasi bagi sekolah lain dalam meningkatkan sistem pencahayaan untuk mendukung efektivitas belajar dan efisiensi energi.
Power Flow Analysis in Unbalanced Three-Phase Distribution Systems using Backward/Forward Sweep and Current Injection Methods Akmal Zuhdi, Muhammad; Husnayain, Faiz
ELKHA : Jurnal Teknik Elektro Vol. 16 No.2 October 2024
Publisher : Faculty of Engineering, Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/elkha.v16i2.82179

Abstract

The electrical power distribution system is a part of the power system that distributes electricity from the transmission network to customers. In the distribution system, imbalances often occur due to the varying load profiles in each phase. This can cause voltage imbalances in the distribution system. This study aims to compare two power flow analysis methods, Backward/Forward Sweep and Current Injection. The study analyses the voltage and power loss conditions on each phase at each bus and line in the three-phase distribution system under unbalanced conditions. Simulations were conducted on two IEEE test buses, IEEE 19-Bus and IEEE 33-Bus with radial configurations. The power flow calculation results using the Backward and Forward Sweep method showed that in the IEEE 19-Bus system, the highest voltage drop percentage occurred on phase b at bus 19, at 3.14%, the highest voltage imbalance percentage occurred at bus 19, at 0.1409%, and the total active and reactive power losses were 7.352 kW and 3.164 kVAR. In the IEEE 33-Bus system, the highest voltage drop percentage occurred on phase c at bus 18, at 5.85%, the highest imbalance percentage occurred at bus 15, at 0.2077%, and the total active and reactive power losses were 19.107 kW and 8.22 kVAR. The percentage difference between the two methods used is less than one percent, indicating that both methods are sufficiently accurate in analyzing power flow in an unbalanced distribution system.
Comparative Analysis of the Accuracy of Lithium-Ion Battery State of Charge Estimation Using Open Circuit Voltage-State of Charge and Coulomb Counting Methods with Simulink MATLAB Raihan, Sultan; Husnayain, Faiz
International Journal of Electrical, Computer, and Biomedical Engineering Vol. 3 No. 1 (2025)
Publisher : Universitas Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62146/ijecbe.v3i1.99

Abstract

This study investigates the State of Charge (SOC) estimation of a battery using secondary data from the Samsung INR 18650-20R (2000mAh). The methods employed include the OCV-SOC, Coulomb Counting, and the 1RC equivalent battery model at temperatures of 0°C, 25°C, and 45°C. This research evaluates the accuracy of these methods while assessing the influence of temperature on SOC estimation performance, which is critical for battery management systems in various applications. The equivalent battery model was tested using a 1A current with 10% SOC intervals, while the SOC estimation was performed under a 0.1A current during discharge conditions. The results indicate that the 1RC model demonstrates the smallest error at 25°C and 45°C, establishing itself as the most consistent method for SOC estimation across these temperatures. The Coulomb Counting method exhibits superior performance, with an R² value nearing 1 across all tested temperatures, showcasing its reliability in accurately reflecting SOC. Conversely, the OCV-SOC method delivers an R² range of 0.9757–0.9864, with its best accuracy observed at 45°C but significantly lower accuracy at 25°C, especially at low SOC levels (0–10%). The Coulomb Counting method’s high accuracy is influenced by its reliance on ideal simulation data, which excludes real-world challenges such as current leakage and sensor fluctuations. Nonetheless, the combination of the 1RC model and the Coulomb Counting method proves more reliable for SOC estimation under diverse temperature conditions compared to the OCV-SOC method.
Co-Authors Abdul Wachid Syamroni Abdullah Umar, Abdullah Ade Rahmat, Ade Agung Budiyanto Agus Indarto Agus R Utomo Agus R Utomo Agus R. Utomo Ahmad Zamzami Aji Nur Widyanto Aji Nur Widyanto Akmal Zuhdi, Muhammad Alvin, Bob Amien Rahardjo Anisah Muthi’ah Anjar Bryantiko Pangestu Ardhyantoro, Novan Iman Arsyad, Masrajuddin Aryani, Dwi Riana Athaya Mahira Budi Sudiarto Dicky Syachreza Himawan Enggar Bowo Suasono, Oktavianus Fauzan Hanif Jufri Fitri, Ismi Rosyiana Hanindito Titah Prameswara Hudaya, Chairul I Made Ardita I Made Ardita I Made Ardita Y I Made Ardita Y. Ida Ayu Vadanti Locana Diwy Ilham Rais Ismi Rosyiana Ismi Rosyiana Fitri Jamaluddin, Tisha Aditya Anggraini Januarsyah, Ginanjar Jufri, Fauzan Hanif Justinus Dipo Nugroho Khusuma, AB Rendra Mahira, Athaya Muhamad Abdul Aziz Muhamad Arya Krisna Adhi Muhammadia, Khayrunnisa B Nadyanti Larasati Pradanugraha, Muhammad Arkhan Rahardjo, Amien Raihan, Sultan Rudy Setiabudy Sholihah, Najwati Sinurat, David Daniel Christianto Tamim, Faizal Widyanto, Aji Nur Yusmar, Yusmar