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All Journal International Journal of Electrical and Computer Engineering Jurnal Teknik Industri Jurnal Teknik Elektro Jurnal Teknik ITS IPTEK Journal of Proceedings Series TELKOMNIKA (Telecommunication Computing Electronics and Control) Bulletin of Electrical Engineering and Informatics Bulletin of Electrical Engineering and Informatics Teknik dan Ilmu Komputer Jurnal EECCIS JHP17 (Jurnal Hasil Penelitian) Bulletin of Electrical Engineering and Informatics JST ( Jurnal Sains Terapan ) Indonesian Journal of Electrical Engineering and Computer Science JAREE (Journal on Advanced Research in Electrical Engineering) Jurnal Nasional Teknik Elektro dan Teknologi Informasi SinarFe7 Jurnal Sistim Informasi dan Teknologi Sewagati
Ontoseno Penangsang
Departemen Teknik Elektro Institut Teknologi Sepuluh Nopember Surabaya
Arts Humanities Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Mathematics Public Health Social Sciences Other

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Journal : TELKOMNIKA (Telecommunication Computing Electronics and Control)

 1 
Power Quality Analysis of Integration Photovoltaic Generator to Three Phase Grid under Variable Solar Irradiance Level Amirullah Amirullah; Ontoseno Penangsang; Adi Soeprijanto
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 14, No 1: March 2016
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v14i1.3298

Abstract

Objective of research is to analyze the influence of solar irradiance and integration of  photovoltaic (PV) generator to power quality of three phase grid on the constant temperature and load, based on changes in some level of integration of  PV generator. Power quality aspects studied are fluctuation or changing, and harmonics of voltage and current on eight scenarios PV generator connected to three-phase grid, using passive filter circuit model double band pass (double tuned). Research shows that voltage and current values on the PCC bus before use double tuned passive filter on the condition only connect single generator is still stable. However, if the PV generator connected to the three phase grid, amounted to more than one generation, voltage and current grid becomes unstable (fluctuation). At the level of solar radiation remains, the greater number of PV generators connected to the grid three-phase, then the values of voltage and current THD increases. At the level of solar irradiance increases, average THD of voltage and current grid also increased. Avarage THD of voltage and current grid is reduced after double tuned passive filter installed. Therefore, double tuned passive filter able to improve profile of voltage and current THD grid as a result of the integration of a number of PV power generators in three-phase grid according IEEE Standard 519-1992. Simulation and analysis of this research use Matlab/Simulink. 
Optimal Placement and Sizing of Thyristor-controlled-series-capacitor using Gravitational Search Algorithm Purwoharjono Purwoharjono; Muhammad Abdillah; Ontoseno Penangsang; Adi Soeprijanto
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 10, No 4: December 2012
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v10i4.857

Abstract

This paper represents the Gravitational Search Algorithm (GSA) that can be used to determine the optimal location and rating of Thyristor controlled Series Capacitor (TCSC). TCSC is equipment used to regulate and improve power flow in power system. The method used in this study was GSA. TCSC were the implemented on 500kV Java-Bali Power System. Loadflow results before optimization using Newton Rapshon method showed that active power loss was 297.607MW. While loadflow results after optimization using GSA with 5-TCSC obtained were 287.926MW of active power loss, with 10-TCSC, it was obtained 281.143MW of active power loss. In addition, using 15-TCSC, active power loss obtained was 279.405MW. GSA methods can be used to minimize power losses and transmission lines as well as to improve value of voltage in the range of 0.95+ 1.05pu compared with loadflow results before optimization.The more TCSC is used, then value of active power losses small.
Transient Power Quality Performance of Multi Photovoltaics using MPPT P and O/MPPT Fuzzy Amirullah Amirullah; Agus Kiswantono; Ontoseno Penangsang; Adi Soeprijanto
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 16, No 6: December 2018
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v16i6.9897

Abstract

This paper presents comparative performance of transient power quality due to multi photovoltaic (PV) integration to grid at both fixed temperature and solar irradiation connected using Maximum Power Point Tracking Perturb and Observe (MPPT P and O)/MPPT Fuzzy. This research is performed as five transient of short-circuit faults on point common coupling (PCC) bus. An artificial intelligence with fuzzy logic controller (FLC) is used to set duty cycle with step variable to control DC/DC boost converter, generate quick convergence to determine MPPT for controlling of PV output voltage. Furthermore the result is compared with MPPT P and O. During transient phase, non-symmetrical faults are able to result an unbalance current/voltage greater than symmetrical faults. On symmetrical faults, MPPT Fuzzy is able to resultan average THD voltage/THD current smaller than MPPT P and O. Otherwise on non-symmetrical faults, MPPT P and O is able to resultan average THD voltage/THD current slightly smaller than MPPT Fuzzy. Both of MPPT P and O and MPPT Fuzzy on all short circuit faults during transient phase are able to result significantly smaller current average THD current than average THD voltage and limits of THD prescribed in IEEE 519. This research is simulated using Matlab/Simulink environment.
Optimal Expenditure and Benefit Cost Based Location, Size and Type of DGs in Microgrids Systems Using Adaptive Real Coded Genetic Algorithm Umar Umar; Firdaus Firdaus; Adi Soeprijanto; Ontoseno Penangsang
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 16, No 1: February 2018
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v16i1.6761

Abstract

The economic issue is an essential element to determine whether DG should be installed or not. This work presents the economical approach for multi-type DGs placement in microgrid systems with more comprehensive overview from DG’s owner perspective. Adaptive Real Coded GA (ARC-GA) with replacement process is developed to determine the location, type, and rating of DGs so as the maximum profit is achieved. The objectives of this paper are maximizing benefit cost and minimizing expenditure cost. All objectives are optimized while maintaining the bus voltage at the acceptable range and the DGs penetration levels are below of the DGs capacities.The proposed method is applied on the 33 bus microgrids systems using conventional and renewable DG technology, namely Photovoltaic (PV), Wind Turbine (WT), Micro Turbine (MT) and Gas Turbine (GT). The simulation results show the effectiveness of the proposed approach.
Steady-State Stability Assessment Using Neural Network Based on Network Equivalent Indar Chaerah Gunadin; Muhammad Abdillah; Adi Soeprijanto; Ontoseno Penangsang
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 9, No 3: December 2011
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v9i3.731

Abstract

Power systems in all over the world have increased in size and complexity due to rapid growth of widespread interconnection. This situation will make power system operated closer to steady-state stability limit (SSSL) resulting in higher probability voltage instability or voltage collapse. This paper presents SSSL assessment in power system using Artificial Neural Network (ANN) model based on REI-Dimo method. The equivalent REI-Dimo is used to determine SSSL index of the power systems. Then, the result of REI-Dimo will be taught on ANN method via online. Studies were carried out on a Java-Bali 500kV system. The simulation showed that the proposed method could accurately predict the proximity to SSSL in power system. The method was computationally efficient and suitable for online monitoring of steady-state stability condition in the power systems.
Co-Authors Achmad Erfan Prihadana Adi Soeprijanto Adi Soeprijanto Agus Kiswantono Akhyar Muchtar Amirullah Amirullah Amirullah Amirullah Amirullah Amirullah Andi Fitriati Andi Taufiq Andri Haris Setyawan Angga Prasetya Ardyan Bhakti Setyarso Ardyono Priyadi Arianto, Marcel Nicky Aryani, Ni Ketut Aulia Siti Aisjah Badru Tamam Arozaq Bambang Lelono Widjiantoro Basyarach, Niken Adriaty Cakasana Alif Bathamantri Choirur Rochman Citra Rahmadhani Danar Tri Kumara Daniel Rohi David Firdaus Detak Yan Pratama Dhimas Oktavian Andryana Dika Lazuardi Akbar Dimas Fajar U.P. Dimas Fajar Uman Putra Dintika, Arief Fajariandi Dio Adya Pratama Dion Dwipayana Utomo Erlan Fajar Prihatama Erwin Prawira Santosa Farid Dwi Murdianto Fathoni Aros Tanceffa Fauziah Fauziah Feby Agung Pamuji Firdaus Firdaus Firdaus, Aji Akbar Firman Aji Prasongko Gheschik Safiur Rahmat Goenadi, Chandra Gokma Eunike Napitu Gunadin, Indar Chaerah Hadi Suroso Hafizh Fianto Putra hasti afianti Henie Arief Rahmawatie Henki Projo Wicaksono Herdianto Prabowo Heru Pujo Prayitno Hosea, Emmy I Gusti Ngurah Satriyadi Hernanda Ida Bagus A. Swamardika Imam Robandi Johari Johari Julius Setiadji Setiadji Katherin Indriawati Kosasi, Hary Kurniawan Lutfi, Aulia Amjad Luthfansyah Mohammad M. Wildan Nasution Sabara Mochamad Ashari Moh Fasich Muhammad Abdillah Muhammad Daffa Cahyonoputra Muhammad Khamim Asyari Muhammad Khoirul Anam Muhira Dzar Dzar Faraby Muhira Dzar Faraby Muhira Dzar Faraby Nanda Dicky Wijayanto Ngakan Putu Satriya Utama Ni Ketut Aryani Ni Ketut Aryani Novian Uman Putra Pande Aji Seta Kusalya Prasetiyono Hari Mukti Prasetyo, Mario Dwi Prima Prahasta Rezky Pujiantara, Margo Purwoharjono Purwoharjono Purwoharjono Purwoharjono Putra, Dimas Fajar Uman Rachmad Nur Priyanto Radhilia Sofianna Ruzi Radita Sonixtus Arauna Riza Fahmi Andriyanto Rizky Pratama Putra Rizqi Aditya Pradana Ronny Mardiyanto, Ronny Rony Seto Wibowo Rony Seto Wibowo Rukmi Sari Hartati Ruri Agung Wahyuono Saifi Sabiq Setiadji, Julius Sentosa Sjamsjul Anam Soedibyo Soedibyo Sofyan Sofyan Stefanus Suryo Sumarno Suprijanto, Adi Surya Mahendra Suryawati, Indri Suwito Suwito Suwito Suyanto Suyanto Suyanto, Suyanto Syai’in, Mat Syamsul Arifin Teguh Yuwono Thoriq Aziz Al qoyyimi U. P., Dimas Fajar Umar Umar Umar Wayan Gede Ariastina Willy Prasetyadi Wirawan Wirawan Yoyok Triyono