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All Journal ELKHA : Jurnal Teknik Elektro Jurnal Ilmiah Kursor ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika JEEMECS (Journal of Electrical Engineering, Mechatronic and Computer Science) International Journal of Smart Grid and Sustainable Energy Technologies Jurnal Aplikasi Dan Inovasi Ipteks SOLIDITAS Jurnal Mnemonic Jurnal JEETech Journal of Sustainable Technology and Applied Science Journal of Applied Smart Electrical Network and System (JASENS) ALINIER: Journal of Artificial Intelligence & Applications SinarFe7 Magnetika: Jurnal Mahasiswa Teknik Elektro Nucleus Journal
Irrine Budi Sulistiawati
Institut Teknologi Nasional Malang
Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Social Sciences

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CASE STUDY OF POWER SHARING CONTROLLER WITH THE USAGE OF DROOP CONTROL METHOD TO ANALYZE MANAGEMENT ENERGY SYSTEM IN ISLANDING MODE Nova Zainur Rifki; Irrine Budi Sulistiawati; Awan Uji Krismanto
Journal of Sustainable Technology and Applied Science (JSTAS) Vol. 6 No. 1 (2025): Journal of Sustainable Technology and Applied Science, May 2025
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat, Institut Teknologi Nasional (ITN) Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36040/jstas.v6i1.13513

Abstract

Microgrid as Renewable Energy in electricity is usually referred as Distributed Generation (DG). This research analyzes power sharing in a DC Microgrid using the droop control method in islanding mode, which is when the DC Microgrid operates separately from the main grid (PLN), and the load is fully supplied by DG. This Power Sharing Controller ensures that the power generated by each DG is in accordance with the system's requirements. This research uses Matlab Simulink software for its simulations. The DC Microgrid consists of three buck-boost converters connected in parallel. The power capacity and droop value of each buck-boost converter are adjusted according to the case. The test results showed that the determination of the droop value affects the power generated by the buck-boost converter. The smaller the droop value, the greater the power produced, and vice versa. Of the three cases simulated in the first case with an even load distribution on the buck-boost equal to a load increase of 1000w, there is an increase in power to 334 w and a current of 33.4 A, while in the second case with a load increase of 1000w, there is a power variation between 300-360 w and a current in the range of 3.6 to 30 amperes. While in case 3 a load increase of 1000 w buck-boost produces power at a value of 325-345w.
Integration of Matlab and LabVIEW for the Simulation of an AVR in a 1.1 kVA Synchronous Generator Mulyanto, Widodo Pudji; Leci, Geraldi; Sulistiawati, Irrine Budi
ELKHA : Jurnal Teknik Elektro Vol. 17 No.2 October 2025
Publisher : Faculty of Engineering, Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/elkha.v17i2.97417

Abstract

Automatic Voltage Regulator (AVR) in the system functions to regulate and stabilize the output voltage of the synchronous generator to remain constant, even in the event of load changes or system conditions. This research uses a software-based approach by integrating LabVIEW data acquisition to measure the actual input and output voltages of the generator and to create the transfer function along with its simulation using Matlab. The Automatic Voltage Regulator used is designed for a 1.1 kVA synchronous generator, Delorenzo DL 1026A. Simulation in Simulink is performed to analyze the system response towards changes in the load using PID as the controller. With the auto-tuned values of Kp = 1.815, Ki = 288.290, and Kd = 0, the system maintained voltage stability under disturbances of 0.1 pu, 0.25 pu, and 0.5 pu. The developed AVR was able to respond to load changes quickly and maintain the stability of the generator"™s output voltage by showing relatively small steady-state error indicated with steady state conditions for 0.00018 pu, 0.00024 pu, and 0.00033 pu in every load change. This phenomenon proves the PID controller resulting from the proposed method is capable of maintaining the voltage magnitude according to the load changes that occur. This research is expected to serve as a basis development of a more reliable and adaptive voltage control system for small-scale generators.
Pembuatan Prototype Pengereman Turbin Pada Pembangkit Listrik Tenaga Bayu Dengan Menggunakan Dummy Load Resistor Rizki, Agil Herlambang; Budi Sulistiawati, Irrine; Romadhon PDP, Bima Romadhon
Nucleus Journal Vol. 3 No. 1 (2024): May
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32492/nucleus.v3i1.3103

Abstract

This study aims to develop a prototype braking system for wind turbines used in wind power plants by utilizing a dummy load resistor. The background of this research is the necessity for an effective braking system to control the speed of wind turbines, especially under extreme wind conditions, which can cause damage to the system and electrical components. The designed braking system uses a dummy load resistor to reduce the rotational speed of the turbine by dissipating excess electrical energy as heat. Tests were conducted to evaluate the effectiveness of the system under various wind conditions and to measure performance parameters such as turbine speed stability and protection of electrical components. The results show that the uses of dummy load resistors are effective in diverting excess voltage with a set point of 14 volts, and at 300 rpm using voltage sensors, proximity sensor and MOSFETs as voltage control, which will be diverted to the dummy load resistor system. Thus, this research makes a significant contribution to the development of wind power technology, particularly in terms of safety and operational efficiency.
Perancangan Prototype Mesin Pengayak Pasir Semi Otomatis Menggunakan Photovoltaic Rue, Dionisia; Irrine Budi Sulistiawati; Ni Putu Agustini
Jurnal JEETech Vol. 2 No. 1 (2021): Nomor 1 May
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (739.493 KB) | DOI: 10.48056/jeetech.v2i1.152

Abstract

The sand sieving system is generally still done manually which requires full human power for the sieving process. This is quite time consuming and the resulting fine sand mass is far from what is required for a construction project. Therefore the author made the idea of ​​​​designing a sand sieving machine that can be applied anywhere. This machine uses a driving system of a Brushless Direct Current electric motor with a capacity of 350W as the driving motor. Brushless Direct Current Motor is used because it has the advantage of a large starting torque, higher speed because it does not use a brush. As a source of electricity, new renewable energy solar panels with a capacity of 400Wp are used which are more environmentally friendly and efficient. This machine works when the solar panels supply a power source to the driving motor and then transmitted by the chain and gear to the sieve tube for the sieving process. This machine has a faster sand sieving process than manual sieving and the type of motor used is more efficient.
Evaluasi Penambahan Pembangkit Baru 0,5 MWp Terhadap Profil Tegangan Pada Sistem Distribusi Singosari Iqbal Zajuli, Ahmad; Budi Sulistiawati, Irrine; Uji Krismanto, Awan
Jurnal JEETech Vol. 3 No. 1 (2022): Nomor 1 May
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32492/jeetech.v5i1.3105

Abstract

The development of renewable energy in Indonesia has grown quite rapidly, one of which is PLTS. With this new power plant, it is hoped that the excessive use of fossil fuels will be reduced. in 2021 there a new PLTS operating in one of the universities, i.e at the Malang National Institute of Technology with a capacity of 0.5 MWp. The PLTS works on-grid into the Singosari distribution system through the Karangploso feeder so that the addition of a new generator of 0.5 MWp can cause changes in the voltage profile. the voltage profile itself is the voltage condition to be at the nominal voltage either when there is a change in load conditions or when power losses occur in the line with a standard allowable voltage profile of 0.95>V> 1.05 pu. The study used in this research is a power flow study with the Newton-Raphson method. This method is used to calculate the voltage profile on each bus of the power system either during the base case condition or when the system is integrated with PLTS 0.5 MWp. so that with the addition of a new power plant with a capacity of 0.5 MWp, it is necessary to evaluate the addition of a new generator with a capacity of 0.5 MWp to the voltage profile in the Singosari distribution system through the Karangploso feeder.
Analysis of System Performance Improvement Due to DG Integration on 20kV Feeder Ampelgading: Case Study Using ETAP Simulation Akbar, Fajar Maulana; Sulistiawati, Irrine Budi; Wartana, I Made
SinarFe7 Vol. 7 No. 1 (2025): SinarFe7-7 2025
Publisher : FORTEI Regional VII Jawa Timur

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

Abstract

The 20 kV Ampelgading feeder, which is integrated with the Ampelgading Hydropower Plant (PLTA) as a Distributed Generation (DG), still faces technical challenges such as low voltage at the downstream part of the network and relatively high active power losses. These issues are mainly caused by the long distribution line of approximately ±180 km and the uneven load distribution, which results in suboptimal power quality. This research aims to analyze the impact of capacitor bank installation on the voltage profile and line losses of the distribution system. The method employed is a simulation using ETAP 21.0.1 software under peak load conditions as the basis of analysis. The improvement strategy is implemented through the Optimal Capacitor Placement (OCP) method, which recommends the installation of 220 kVAR capacitors at Bus 62, Bus 70, and Bus 80 as the optimal locations based on voltage sensitivity analysis. The simulation results indicate that the capacitor bank injection successfully improves the minimum bus voltage from 0.939 p.u. in the base case to 0.973 p.u., ensuring that all buses meet the lower voltage limit standard of 0.95 p.u. Furthermore, total active power losses are reduced from 93.36 kW to 83.37 kW, representing a decrease of approximately 10.7%. These findings demonstrate that the OCP method is an effective technical solution for optimizing the performance of distribution networks, particularly for feeders with geographical and load characteristics similar to the Ampelgading feeder.
The Frequency Stability Analysis Due to the Integration of 100 MW Solar Power Plant in the 150 kV Power System: A Case Study on the Impact of Large-Scale Solar PV Penetration on Grid Frequency Stability Davis, Vincentius; Abraham Lomi; Irrine Budi Sulistiawati
SinarFe7 Vol. 7 No. 1 (2025): SinarFe7-7 2025
Publisher : FORTEI Regional VII Jawa Timur

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

Abstract

This study analyzes the impact of integrating a 100 MW Solar Power Plant (PLTS) (4×25 MW) on the frequency stability of the power system in the 150 kV transmission network in Bali. Simulations were conducted using DIgSILENT PowerFactory software employing Load Flow and RMS Simulation methods, covering disturbance scenarios such as load increases up to 60%, generator outages (Gilimanuk and Pemaron), and the effect of system protection settings. Results show that without proper protection settings, the integration of PLTS leads to a frequency drop below the minimum threshold (47.76 Hz) and a high Rate of Change of Frequency (ROCOF) (-1.21 Hz/s), which poses a risk of system disconnection. After configuring protective relays (underfrequency, undervoltage, and df/dt), the system stability improved; frequency was maintained within the 48–52 Hz range, and ROCOF decreased below -0.5 Hz/s. Therefore, large-scale PLTS integration can be safely implemented without compromising system stability, provided that appropriate protection configurations are in place. This research supports the implementation of clean energy in Bali and serves as a reference for integrating renewable energy sources into existing power systems.
Analysis of Load Diversion Due to AAACS Cable Breaks in the Bandar Jaya Lampung Distribution System Anam, M Khoirul; Wartana, Made; Budi Sulistiawati, Irrine
Jurnal JEETech Vol. 6 No. 2 (2025): Nomor 2 November
Publisher : Universitas Darul Ulum

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32492/jeetech.v6i2.62002

Abstract

The electric power distribution system is the final component that is connected to consumers in the energy transmission chain. This distribution system is particularly vulnerable lightning strikes that can cause conductor cables to break. The 20 kV distribution network of the Rambutan Feeder, under Bandar Jaya ULP in Lampung, experienced a lightning strike that resulted in the disconnection of the AAACS cable, leading to a power outage in the service area. The geographical conditions of the Lampung region, which has a high isokeraunic level, contribute significantly to the likelihood of lightning-related disturbances. Based on real data, this study analyzes the impact of disturbances caused by lightning strikes on Feeder and proposes mitigation strategies to minimize the effects of resulting power outages. Analysis using ETAP shows that the recomendation to divert the load sypply to the arimbi feeder is able to maintain the bus voltage at a rating of 19,86 KV.
Co-Authors Abraham Lomi Adi Soepriyanto Akbar, Fajar Maulana Aldya, Yoppy Alfarid Hendro Yuwono Angga Budi Prastyo Anto Nugroho Ardyono Priyadi Ardyono Priyadi Aryuanto Soetedjo Aventus Wagur Awan Uji Krismanto Davis, Vincentius Decky Satrio Pamungkas Eko Nurcahyo F. Yudi Limpraptono farhan_esa_maulaya Fikri, Mohammad Alfa Zaidanil Fransiscus R B N Kabosu Gaguk Sukowiyono Hendra Prayoga Huda, Muhamad Tri Agus Latifatul Huda Hunip Setio I Made Wartana Ical Toka, Kristianus Iqbal Zajuli, Ahmad Kukuh Maulana Arhami Leci, Geraldi M Khoirul Anam, M Khoirul M. Rizal Sanaky Made Wartana, I Maizul Anwar MATURBONG, RIRIN KATARINA Muhammad Riza Anugrah Muhammad Riza Anugrah Muljanto, Widodo Pudji MULYANTO, WIDODO PUDJI Ni Putu Agustini Ni Putu Agustini Ni Putu Agustini Nova Zainur Rifki Pandu Fajar Satria Pandu Fajar Satria Putu Agustini, Ni Rahmansyah, Aldi Rahmansyah Rahmat Hidayat Rizki, Agil Herlambang Romadhon PDP, Bima Romadhon Rue, Dionisia Rusilawati Rusilawati Salam, Muhammad Farhan Sotyohadi Sugeng Priyanto, Sugeng Sunnu Wahyu Setiawan Sunnu Wahyu Setiawan Suryani F, Irmalia Susanti, Debby Budi Wartana, Made Widodo Pudji Muljanto Willy Armando Wabes WIYOGA, BELDA ROSALIE PUTRI yohanes moa Yusuf Ismail Nakhoda Zaid Sahlan Shaufi, M Zulfani , Dyah Erika Mining Aurora