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All Journal International Journal of Electrical and Computer Engineering International Journal of Power Electronics and Drive Systems (IJPEDS) Jurnal Teknik Elektro Jurnal Pengabdian Kepada Masyarakat Sakai Sambayan Dielektrika : Jurnal Ilmiah Kajian Teori dan Aplikasi Teknik Elektro Prosiding Seminar Nasional Hasil Penelitian Sains, Teknik dan Aplikasi Industri Fakultas Teknik Universitas Lampung Electrician : Jurnal Rekayasa dan Teknologi Elektro Jurnal Teknik Ilmu dan Aplikasi
Osea Zebua
University of Lampung
Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering Medicine & Pharmacology Other

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Desain Kendali Tegangan Keluaran Pembangkit Listrik Tenaga Pikohidro Menggunakan Konverter SEPIC dengan Tuning Fuzzy Logic Control Soedjarwanto, Noer; Zebua, Osea; Hamdani, Fadil; Eliza , Dona; Nurmalik, Luki
Electrician : Jurnal Rekayasa dan Teknologi Elektro Vol. 19 No. 3 (2025)
Publisher : Department of Electrical Engineering, Faculty of Engineering, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/elc.v19n3.2918

Abstract

Pembangkit Listrik Tenaga Pikohidro (PLTPH) merupakan solusi untuk memenuhi kebutuhan suplai listrik pada daerah terpencil yang tidak terjangkau jaringan listrik nasional. Tantangan utama dalam implementasi PLTPH adalah ketidakstabilan tegangan keluaran yang dihasilkan karena fluktuasi debit air yang menggerakkan turbin. Pada penelitian ini dilakukan integrasi Konverter SEPIC dan Pengendali Logika Fuzzy pada prototipe PLTPH untuk menstabilkan tegangan keluaran yang dihasilkan pembangkit. Integrasi konverter SEPIC memungkinkan penstabilan tegangan menuju nilai setpoint dengan menaikkan dan menurunkan tegangan sesuai kondisi operasi. Pengendali Logika Fuzzy menggunakan sistem logika untuk menangani ketidakpastian pada tegangan input. Pengujian dengan setpoint 12 V dan beban lampu DC 12 V menghasilkan nilai rise time 1,5420 detik dan Settling time rata-rata 1,7414 detik. Hasil ini menunjukkan sistem mampu mencapai setpoint secara cepat tanpa fluktuasi berkepanjangan. Nilai Maximum overshoot rata-rata 0,583% dan Error steady-state rata-rata 0,0146% sehingga tidak terdapat lonjakan tegangan berlebih dan tegangan keluaran mendekati nilai setpoint.
Inverter transient response improvement using grey wolf optimizer for type-2 fuzzy control in HVDC transmission link Ginarsa, I Made; Muljono, Agung Budi; Nrartha, I Made Ari; Seniari, Ni Made; Sultan, Sultan; Zebua, Osea
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 16, No 3: September 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijpeds.v16.i3.pp2130-2142

Abstract

High voltage direct current (HVDC) on transmission-link becomes a new prominent technology in recent years. The HVDC is applied to transmit amount of electrical energy from power plant to consumers. This method makes reactive power losses on transmission devices decrease significantly and stability level of generator increases. However, inverter HVDC transmission system can produce slow and high inverter transient current (ITC) response at high value of the up-ramp rate. This ITC phenomenon can be serious problem at starting time. So grey wolf algorithm is proposed to optimize input-output parameters of interval type-2 fuzzy control (IT2FC) in inverter-side HVDC. The proposed control performance’s is assessed by integral time squared error (ITSE) and peak overshoot (Mp) approaches. Simulation results show that small ITSE and low Mp of transient response are given by the IT2FC. The IT2FC is successful applied on inverter HVDC with better results compared to conventional PI control scheme.
Co-Authors Agung Budi Muljono Aldiansyah, Aldiansyah Eliza , Dona Endah Komalasari Firmansah, Danu Gusmedi, Herry Hamdani, Fadil Huda, Zulmiftahul I Made Ari Nrartha I Made Ginarsa Noer Soedjarwanto Nurmalik, Luki Seniari, Ni Made Sultan Sultan Syaiful Alam T Rausyan Hilmy