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All Journal International Journal of Electrical and Computer Engineering Jurnal Teknik ITS Jurnal Sains dan Teknologi Indonesian Journal of Electrical Engineering and Computer Science Sewagati Serambi Engineering
Rony Seto Wibowo
Institut Teknologi 10 Nopember Surabaya
Arts Humanities Computer Science & IT Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Public Health Social Sciences Other

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Journal : International Journal of Electrical and Computer Engineering

 1 
Coordinated planning in improving power quality considering the use of nonlinear load in radial distribution system Muhira Dzar Faraby; Ontoseno Penangsang; Rony Seto Wibowo; Andi Fitriati
International Journal of Electrical and Computer Engineering (IJECE) Vol 11, No 6: December 2021
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijece.v11i6.pp4610-4621

Abstract

Power quality has an important role in the distribution of electrical energy. The use of non-linear load can generate harmonic spread which can reduce the power quality in the radial distribution system. This research is in form of coordinated planning by combining distributed generation placement, capacitor placement and network reconfiguration to simultaneously minimize active power losses, total harmonic distortion (THD), and voltage deviation as an objective function using the particle swarm optimization method. This optimization technique will be tested on two types of networks in the form 33-bus and 69-bus IEEE Standard Test System to show effectiveness of the proposed method. The use of MATLAB programming shows the result of simulation of increasing power quality achieved for all scenario of proposed method.
Harmonic assessment on two photovoltaic inverter modes and mathematical models on low voltage network power quality Penangsang, Ontoseno; Wibowo, Rony Seto; Aryani, Ni Ketut; Prasetyo, Mario Dwi; Arianto, Marcel Nicky; Lutfi, Aulia Amjad
International Journal of Electrical and Computer Engineering (IJECE) Vol 13, No 6: December 2023
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijece.v13i6.pp5951-5965

Abstract

Power quality is a crucial aspect of designing a large-scale photovoltaic power plant, particularly regarding harmonics caused by inverter switching. This research aimed to analyze harmonics in a system using electrical transient analyzer program (ETAP) Power Station 20.5.0 to uncover the effect of irradiance on the inverters’ power quality running at 85% and 100% power factors. We analyzed both voltage and current total harmonic distortion (THDi and THDv) from the simulation and compared them with the mathematical model. Moreover, we analyzed the effect of changes in irradiance level on harmonics and reactive power penetration, which influenced power losses in transformers and cables. Inverters at 85% power factor experienced an increase in THDi, whereas those at 100% power factor decreased. Inverters with 85% power factor experienced more frequent switching, causing more prominent distortion. The magnitude of THDv increased proportionally with the rise of irradiance level. Inverters at 85% had a higher THDv value because of the excessive reactive power compensation when irradiance rose. Irradiance level had an inverse relationship with system losses since high irradiance levels led to lower losses as less power was required through transmission lines and transformers. Moreover, losses at 85% power factor were higher since the high harmonics caused additional losses.
Co-Authors Adi Soeprijanto Adyatmoko Wirananto Agil Dwijatmoko Rahmatullah Andi Fitriati Ardyan Bhakti Setyarso Ardyono Priyadi Arianto, Marcel Nicky Aryani , Ni Ketut Aryani, Ni Ketut Badru Tamam Arozaq Christina Tio Trisnasari Daniar Fahmi, Daniar Daya Juang Mahaputra Dedet Candra Riawan Dedet Chandra Riawan Dhimas Oktavian Andryana Dimas Fajar Uman Putra Fakhruddin Wirakusuma Feby Agung Pamuji Ferdinand Rico Firaldi Galih Budi Virgiansyah Giorgio Rendra Gumelar Gokma Eunike Napitu Hari Agus Sujono Heri Suryoatmojo Januar Adi Perdana Kemas Robby Firmansyah Kresna Bayu Ar-razi Arifin Lutfi, Aulia Amjad Mikhael Vidi Santoso Mochamad Ashari Mochamad Luthfiyansah Moh Fasich Moh. Erdianto Triputradi Monica Amelia Oktaviani Muhammad Arindra Muhammad Kurniawan Muhira Dzar Faraby Musthofa, Arif Najmy, Achsan Ni Ketut Aryani Nugroho Wicaksono Oktaviani , Berliandra Ontoseno Penangsang Pius Aditya Kurnia Ray Prasetiyono Hari Mukti Prasetyo, Mario Dwi Pujiantara, Margo Putra, Dimas Fajar Uman R Wahyudi Rachmad Nur Priyanto Rahmat Riyadi Ridho Syahrial Ibrahim Riny Sulistyowati Rizka Winda Novialifiah Rizky Ramadyan Widiarto Ronny Mardiyanto, Ronny Rosida, Yasfi Nur Saifi Sabiq Sampulur Kerta Sugih Harta Santoso, Dimas Budi Sjamsjul Anam Surya Mahendra Vicky Pria Permata Vita Lystianingrum Willy Prasetyadi Yauri Mahaputra Zico Musiano Sihombing