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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) 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 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 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
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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Journal : Journal of Sustainable Technology and Applied Science

 1 
TRANSIENT FREQUENCY STABILITY ASSESSMENT OF THE INTERCONNECTED SOUTH SULAWESI POWER NETWORK Efendi, Khorul Fahmi; Lomi, Abraham; Muljanto, Widodo Pudji; Wartana, I Made; Krismanto, Awan Uji
Journal of Sustainable Technology and Applied Science (JSTAS) Vol. 5 No. 2 (2024): Journal of Sustainable Technology and Applied Science, November 2024
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.v5i2.11736

Abstract

The power system consists of interconnected generation, transmission, and load centres, forming a complex electrical network called a grid. One of the significant challenges in power systems is ensuring stability—the system's ability to return to regular or stable operation (steady state) after experiencing significant disturbances such as generation loss, switching operations, sudden load changes, or faults like short circuits. Transient analysis plays a crucial role in determining the appropriate relay operation scheme, critical disconnection time for circuit breakers, and the transfer capability between systems, all of which must be optimised to maintain stability. This study simulates and analyses the frequency transient stability to assess system reliability during disturbances of the 150 kV South Sulawesi interconnected system. The study also determines the Critical Clearing Time (CCT) necessary to achieve the stable conditions of the interconnected system. The simulation is tested on the South Sulawesi interconnected system. The analysis results show frequency drops of about 0.0397% at GI Bantaeng and 0.0401% at the GI Punagaya bus, PLTU Jeneponto 1, and PLTU Jeneponto 2.
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.
Co-Authors Abdul Aziz Akbar Siliwangi Abdurrohman Eko Saputra Abidin, Dimas Zainal Abraham Lomi Adrianto Adhi Setyo Nugroho Agung Bagus Putranto 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 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 Yoga Prasetyo Yohanes Latumahina yohanes moa Yusuf Abdillah, Sulthon Yusuf Ismail Nakhoda Yusuf Ismail Nakhoda Yusuf Ismail Nakhoda