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All Journal TELKOMNIKA (Telecommunication Computing Electronics and Control) Bulletin of Electrical Engineering and Informatics Indonesian Journal of Electrical Engineering and Informatics (IJEEI) ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika International Journal of Smart Grid and Sustainable Energy Technologies JOURNAL OF SCIENCE AND APPLIED ENGINEERING Jurnal Aplikasi Dan Inovasi Ipteks SOLIDITAS Indonesian Journal of Electrical Engineering and Computer Science Journal of Sustainable Technology and Applied Science Journal of Applied Smart Electrical Network and System (JASENS) ALINIER: Journal of Artificial Intelligence & Applications SinarFe7 Journal FORTEI-JEERI Makara Journal of Technology JESCEE- Journal of Emerging Supply Chain, Clean Energy, and Process Engineering JASTEN (Jurnal Aplikasi Sains Teknologi Nasional Magnetika: Jurnal Mahasiswa Teknik Elektro Jurnal JEETech
Awan Uji Krismanto
Institut Teknologi Nasional Malang
Aerospace Engineering Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Social Sciences Other

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SISTEM MAXIMUM POWER POINT TRACKING (MPPT) MENGGUNAKAN METODE FUZZY TYPE 2 DENGAN BUCK BOOST CONVERTER BERBASIS ARDUINO PADA PLTS Among Dwi Wardani, Among; Krismanto, Awan Uji; Labib, Radimas Putra Davi
Magnetika: Jurnal Mahasiswa Teknik Elektro Vol 8 No 2 (2024): Magnetika: Jurnal Mahasiswa Teknik Elektro
Publisher : Magnetika: Jurnal Mahasiswa Teknik Elektro

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Abstract

Abstract— Potensi energi matahari di Indonesia dapat dimanfaatkan sepanjang hari, hal ini sangat menguntungkan untuk membangkitkan energi listrik dengan menggunakan panel surya. Beberapa metode digunakan pada panel surya untuk menaikkan efektifitas konversi energi panel surya. Metode pencarian dinamis menggunakan motor listrik untuk mengarahkan panel surya ke matahari, sedangkan metode pencarian statis atau Maximum Power Point Tracking (MPPT) menggunakan konverter daya. MPPT digunakan untuk mencari titik daya maksimum dari kurva karakteristik P-V pada panel surya. Titik daya maksimum panel surya berubah-ubah ketika terdapat perubahan irradiasi dan temperatur.Penelitian ini memperkenalkan pendekatan baru dalam mengoptimalkan penjejakan posisi matahari dengan menggabungkan perhitungan logika fuzzy type 2 dengan sistem kendali, penggabungan ini dimaksudkan untuk mengatasi kelemahan sistem kendali dalam mengatasi ketidakpastian dan variasi sistem yang kompleks. Efisiensi pengumpulan energi surya dengan mengoptimalkan penjejakan matahari posisi matahari secara real – time. Penelitian ini menunjukkan potensi besar dalam penerapan teknologi sistem kendali berbasis fuzzy type 2 dalam upaya meningkatkan efisiensi energi yang dapat dihasilkan oleh suatu panel surya. Kata kunci: Maximum Power Point Tracking, Efisiensi Energi, Fuzzy Type 2.
Hardware implementation of type-2 fuzzy logic control for single axis solar tracker Krismanto, Awan Uji; Muhammad Davi Labib, Radimas Putra; Setiadi, Herlambang; Lomi, Abraham; Abdillah, Muhammad
Indonesian Journal of Electrical Engineering and Computer Science Vol 35, No 1: July 2024
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v35.i1.pp102-112

Abstract

Solar tracker widely maximizes solar energy harvesting by maintaining a perpendicular relative position between the sun and the solar panel. Single and dual-axis solar tracker controllers are the most control mechanisms that are widely implemented. The single-axis solar tracker (SAST) is preferable between those two control mechanisms due to economic and simpler control algorithm features. Many control algorithms have been proposed to improve the performance of SAST. The conventional proportional integral derivative (PID) controller has major limitations mainly corresponding to slower response. Moreover, it cannot handle the uncertainties of the sunlight. To overcome the problem, type 2-fuzzy logic control (T2-FLC) is proposed. The single-axis solar tracker controller based on T2-FLC is applied in Arduino and implemented in the hardware environment. It was monitored that the T2-FLC provides much better responses than the conventional controllers in terms of better dynamic response and more efficiency in harvesting solar energy.
DESAIN INVERTER PWM SINE WAVE PADA PEMBANGKIT LISTRIK HYBRID PIKOHIDRO DAN PLTS DI DESA PENDEM, KEC. JUNREJO, KOTA BATU. Korompis, Kiky Kurniawan; Muljanto, Widodo Pudji; Krismanto, Awan Uji
Magnetika: Jurnal Mahasiswa Teknik Elektro Vol 9 No 1 (2025): Magnetika: Jurnal Mahasiswa Teknik Elektro
Publisher : Magnetika: Jurnal Mahasiswa Teknik Elektro

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Abstract

Kebutuhan energi listrik yang sangat tinggi seiring perkembangan jumlah penduduk mengakibatkan konsumsi bahan bakar PLN meningkat dan masih bergantung pada energi fosil. Maka dari itu, pengembangan EBT untuk menjadi sumber energi listrik seperti Pikohidro dan PLTS di Sanggar Latar Seni Winarto Ekram. Sumber energi listrik yang dihasilkan oleh pembangkit listrik tersebut masih dalam bentuk tegangan DC, sedangkan peralatan elektronik pada umumnya menggunakan sumber listrik ACPerancangan Inverter PWM Sine Wave dilakukan untuk merubah tegangan pembangkit DC menjadi tegangan AC, selain itu penggunaan EGS002 dapat menghasilkan tegangan dan frekuensi output stabil yang diterima oleh beban dan berbentuk sinusoidal. Dengan total energi beban 17.120 Wh, beban puncak setiap hari terjadi pada pukul 09.00 sampai 14.00 dengan daya 1.020 maka kapasitas daya inverter yang digunakan 1.500 Watt. Dengan Sumber energi baterai 24 V, maka hasil dari pengujian inverter menggunakan osiloskop dapat menghasilkan gelombang sinusoida secara sempurna serta menghasilkan tegangan 220 V dan frekuensi 50 Hz.
DESAIN SISTEM ANALISA KESTABILAN SISTEM TEGANGAN TENAGA LISTRIK DENGAN MEMPERHITUNGKAN KETIDAK PASTIAN RENEWABLE ENERGI SOURCES (RES) DAN BEBAN PADA SISTEM KELISTRIKAN Muhammad Rafi Ramadhan Liesanto; Krismanto, Awan Uji; Agustini, Ni Putu
Magnetika: Jurnal Mahasiswa Teknik Elektro Vol 9 No 1 (2025): Magnetika: Jurnal Mahasiswa Teknik Elektro
Publisher : Magnetika: Jurnal Mahasiswa Teknik Elektro

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Abstract

Kestabilan tegangan berkaitan dengan kemampuan sebuah sistem tenaga listrik dalam mempertahankan tegangan di setiap bus pada kondisi normal setelah terjadinya gangguan . Dalam satu dekade terakhir, sumber daya energi terbarukan telah menjadi isu penting untuk menyediakan pasokan energi yang cukup untuk beban. Di antara berbagai sumber energi terbarukan, angin dan matahari memimpin pertumbuhan energi terbarukan yang terpasang di jaringan sistem tenaga listrik. Pada system kelsitrikan Lombok, dilakukan analisa aliran daya (load flow) dengan tujuan untuk mengetahui kinerja dan kondisi aliran daya dalam keadaan tertentu. Sistem kelistrikan Lombok terdiri dari 19 unit pembangkit, yang beroperasi pada tegangan 150 kV, serta terdiri dari 27 bus dan 19 saluran yang terhubung dengan pusat-pusat beban, serta data dinamik generator dan eksitasi generator. pemasangan PLTS Pringgabaya dan PLTS Sengkol, dari gambar dapat dilihat bahwa tegangan pada bus 19 dan bus 21 mengalami undervoltage mengalami peningkatan peofil tegangan setelah adanya pemasangan PLTS Pringgabaya dan Sengkol. Peningkatan tegangan ini tidak terjadi pada bus 19 dan 21 saja, tetapi pada bus yang lain juga mengalami penurnan tegangan.
ANALYSIS OF THE IMPACT OF CIRATA FLOATING SOLAR POWER PLANT INTEGRATION ON THE VOLTAGE STABILITY OF THE 500 kV JAVA-BALI SYSTEM Abidin, Dimas Zainal; Krismanto, Awan Uji; Wartana, I Made
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.v6i1.13488

Abstract

This study analyses the impact of integrating a solar photovoltaic power plant (PLTS) on the voltage stability of the 500 kV Java-Bali transmission system, with a case study on the Cirata Floating Solar Power Plant. With the increasing use of renewable energy, particularly solar PV, it is crucial to understand how the integration of this variable energy source affects the reliability and stability of the power system. The Cirata Floating Solar Power Plant, the largest of its kind in Asia, has a capacity of 145 MW AC or equivalent to 192 MWp. However, integrating the Cirata Floating Solar Plant into the transmission system may potentially affect voltage stability, necessitating an in-depth analysis to assess its impact. The methodology employed in this study includes static voltage analysis through PV curve evaluation and dynamic voltage analysis to determine the system's capability to maintain or restore voltage within permissible stability limits. The study utilises DigSILENT PowerFactory software to simulate system conditions before and after the PLTS integration. The results indicate that the Cirata Floating Solar Plant’s power injection of 192 MWp improves voltage quality and enhances system stability compared to the pre-integration conditions.
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.
Over Current Relay Coordination System Considering Distributed Generation Nugroho, Teguh Aryo; Muhammad Abdillah; Fauzan, Helmi; Nita Indriani Pertiwi; Setiadi, Herlambang; Krismanto, Awan Uji
Journal of Emerging Supply Chain, Clean Energy, and Process Engineering Vol 1 No 1 (2022): Journal of Emerging Supply Chain, Clean Energy, and Process Engineering
Publisher : Universitas Pertamina

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57102/jescee.v1i1.15

Abstract

Today, electricity is one of the important components to drive the industrial process and other daily human activities. While the continuity of power supply through the power system grid is impressionable from disturbances such as a short circuit. In addition, the rapid development of distributed generation (DG) technology triggers the industry to use DG technology to maintain power quality and support for industrial processes. This paper proposed the coordination of over current relay (OCR) considering distributed generation (DG) to provide an extraordinary protection system in an electrical system network. The relay is coordinated with the other relay equipment to enhance the system more reliable, secure, and stable. To examine the efficacy of the proposed approach, the radial distribution system model is utilized in this paper where the DG is installed in bus 6. To compute the protection coordination index (PCI) and coordination time interval (CTI), the DG capacity is varied from 100 KVA to 1000kVA. From the simulation result, it could be seen that the installed DG that allowed in bus 6 was 900kVA because the CTI value reached convergence value as of 0.294 second for higher DC capacity than 900kVA. Moreover, the higher of DG capacity was injected to electrical system, the higher of PCI values was obtained.
Adaptive voltage controller based on extreme learning machine for DC-DC boost converter Setiadi, Herlambang; Darmansyah, Darmansyah; Uji Krismanto, Awan; Yusuf Abdillah, Sulthon
Bulletin of Electrical Engineering and Informatics Vol 14, No 5: October 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/eei.v14i5.9647

Abstract

This study presents an adaptive voltage controller for a DC-DC boost converter using the extreme learning machine (ELM) algorithm to address the limitations of conventional control techniques under varying load and reference voltage conditions. The ELM is implemented to predict the optimal parameters of a PI controller (Kp and Ki), enabling real-time adaptability of the system. Simulation results in MATLAB/Simulink demonstrate that the proposed ELM-based proportional-integral controller (PI-ELM) outperforms both traditional PI controllers and those optimized using metaheuristic algorithms. Specifically, the controller achieved a maximum absolute error of only 0.0185 for Kp and 0.0294 for Ki across a range of operating conditions, with corresponding mean squared errors (MSE) of 0.01861 and 0.02798, respectively. These findings confirm the effectiveness of the ELM in enhancing the dynamic response and robustness of boost converter voltage regulation systems.
Impact Analysis of Cirata Floating PV Integration on Frequency Stability in the 500 KV Java-Bali Grid Yayan, Yanuar Wahyu Gianto; Krismanto, Awan Uji; Muljanto, Widodo Pudji
Journal FORTEI-JEERI Vol. 6 No. 2 (2025): FORTEI-JEERI
Publisher : Forum Pendidikan Tinggi Teknik Elektro Indonesia (FORTEI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46962/forteijeeri.v6i2.38

Abstract

Rising global demand for clean energy has accelerated the deployment of renewable energy sources, notably Solar Photovoltaic (PV) systems. The Cirata Floating Solar PV Plant, with an installed capacity of 192 MWp and interconnected to the 500 kV Java-Bali transmission network, represents a key national strategic project aimed at supporting the national energy mix target. However, the integration of inverter-based renewable generation such as PV plants introduces challenges to system frequency stability, primarily due to the absence of rotational inertia contribution. This research analyze the impact of the Cirata Floating Solar PV integration on the frequency stability of the 500 kV Java-Bali power system. The analysis is conducted through time-domain dynamic simulations using DigSILENT PowerFactory software, incorporating load flow and dynamic simulation methodologies under three operating scenarios: load shedding, 50% load bekasi increase, and Tripping of saguling power plant. Key frequency stability indicators, namely frequency nadir and Rate of Change of Frequency (RoCoF), are evaluated. The simulation results indicate a degradation in frequency stability performance following the integration of PV due to reduced system inertia. Nevertheless, under specific operating conditions, the PV plant exhibits a beneficial damping effect on frequency deviations.
The Effect of Cirata PV Power Plant Integration on Small-Signal Stability in the 500 kV Jawa-Bali System NORMALITA, NABILLYA ARGA; KRISMANTO, AWAN UJI; SULISTIAWATI, IRRINE BUDI
ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Vol 14, No 2: Published April 2026
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/elkomika.v14i2.195

Abstract

Renewable energy resources (RES) integration significantly affects power system stability, corresponding with the system to maintain stable conditions when the system is subjected with small disturbance. In this research, the effects of Cirata integration on the Jawa Bali 500kV power system network's dynamic and small signal stability are analyzed. The critical eigenvalue trajectories showed that increasing power injection from PLTS improved the stability, it is indicated by the movement of critical eigenvalues to the left away from the imaginary axis, from σ = -1.253 to σ = -1.255. And is followed by an increase in the system damping ratio from 10,85% to 10,88%. These results indicate that the integration provides a positive contribution to damping oscillations and increasing system stability when faced with small disturbances.
Co-Authors Abdul Aziz Akbar Siliwangi Abdurrohman Eko Saputra Abidin, Dimas Zainal Abraham Lomi Adrianto Adhi Setyo Nugroho Agung Bagus Putranto Ahmad Iqbal Zajuli Alfian Daniel Toding Among Dwi Wardani, Among Andi Nugroho Andika Tri Firmansyah Apolonio Nuncio Fernandes de Castro Aryuanto Soetedjo Cahyo Edi Wicaksono Calvin, Agape Choirul Saleh Dadang Hermawan DARMANSYAH . Deva Herdiyanto Putra Dhilah Danumerta Subeki Dyah Ayu Girindraswari Efendi, Khorul Fahmi Eko Yohanes Setiawan Eko Yohanes Setyawan Fakhruddin Arrazi Fauzan, Helmi Feri Prasetyo Nugroho Fikram Firdaus Bima Firmansyah Frisca Fitrianingrum Galih Bangga Hafizhul Ayyasi Khairullah Harry Prayogo heldi bafadhal, Heldi Helmi Fauzan Herlambang Setiadi Herlambang Setiadi Herlambang Setiadi Herlambang Setiadi Herri Trilaksana Heru Purbo Waseso Hidayat, Rian Arby Hidayat I Komang Somawirata I Made Wartana Ida Soewarni Ikhwan Romadhoni Iqbal Zajuli, Ahmad Irrine Budi S Irrine Budi Sulistiawati Ketut Agung Agus Jaya Korompis, Kiky Kurniawan Krisna Ardi Nugraha Krisna Ardi Nugraha Kurnia Fandhy Labib, Radimas Putra Davi M. Abd. Hamid Maulana Bayhaqi Maxi Dwi Atmanto Mochamad Ifan Mashudi Mochamad Ifan Mashudi Mochamad Ifan Mashudi Mochamad Yajit Albustomi Muhammad Abdillah Muhammad Abdillah Muhammad Abdillah Muhammad Abdillah Muhammad Davi Labib, Radimas Putra Muhammad Iqbal Muhammad Rafi Ramadhan Liesanto Muhammad Ruswandi Djalal Muhammad Yusuf Yunus Muljanto, Widodo Pudji Musta’al Rahmatullah Ni Putu Agustini Ni Putu Agustini Ni Putu Agustini Nita Indriani Pertiwi Nita Indriani Pertiwi NORMALITA, NABILLYA ARGA Nova Zainur Rifki Nugroho, Teguh Aryo Praswanto, Djoko Hari Prisma Megantoro Putu Billy Ezra Shaniga Punggawa Rachmad Albi Igam Rachmad Rahmansyah, Aldi Rahmansyah Sandi Buton Siswi Astuti Soeparno Djiwo Sotyohadi Sri Renaningsih Tahta Amrillah Teguh Aryo Nugroho Widodo Pudji Muljanto Wilhan Jechovanda Susant0 Yayan, Yanuar Wahyu Gianto Yoga Prasetyo Yohanes Latumahina yohanes moa Yusuf Abdillah, Sulthon Yusuf Ismail Nakhoda Yusuf Ismail Nakhoda Yusuf Ismail Nakhoda