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All Journal JAVA Journal of Electrical and Electronics Engineering E-Link : Jurnal Teknik Elektro dan Informatika Indonesian Journal of Electrical Engineering and Computer Science
Soedibyo Soedibyo
Jurusan Teknik Elektro Institut Teknologi Sepuluh Nopember
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy

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Optimal Design of Hydrogen Based Wind-Microhydro Using Genetic Algorithm Soedibyo, Soedibyo; Suryoatmojo, Heri; Robandi, Imam; Ashari, Mochamad
Indonesian Journal of Electrical Engineering and Computer Science Vol 10, No 6: October 2012
Publisher : Institute of Advanced Engineering and Science

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Abstract

The target of stand-alone hybrid power generation system was to supply the load demand with high reliability and economically as possible. To design these criteria the optimal design of the proposed configuration should be done by using intelligent optimization technique.  This study utilized Genetic Algorithm method to determine the optimal capacities of hydrogen, wind turbines and micro hydro unit according to the minimum cost objective functions that relate to these two factors. In this study, the cost objective function included the annual capital cost, annual operation maintenance cost, annual replacement cost and annual customer damage cost. The proposed method had been tested in the hybrid power generation system located in Leuwijawa village in Central Java of Indonesia. Simulation results showed that the optimum configuration can be achieved using 19.85 ton of hydrogen tanks, 21 x 100 kW wind turbines and 610 kW of micro hydro unit respectively. DOI: http://dx.doi.org/10.11591/telkomnika.v10i6.1326
Desain Optimum Proportional-Integral-Derivative Pada Maximum Power Point Tracking Sistem Photovoltaic Irawan, Denny; Soedibyo, Soedibyo
E-Link: Jurnal Teknik Elektro dan Informatika Vol 14 No 1 (2019)
Publisher : Universitas Muhammadiyah Gresik

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1104.901 KB) | DOI: 10.30587/e-link.v14i1.661

Abstract

Energi terbarukan menjadi solusi dengan menipisnya sumber energi tak terbarukan. Energi matahari, disamping energi angin adalah sumber energi yang paling banyak dikembangkan, berbagai metode yang efisien dikembangkan untuk diterapkan seperti pada sistem photovoltaic. Pada penelitian ini akan mendesain Maximum Power Point Tracking (MPPT) pada sistem photovoltaic berbasis algoritma optimasi untuk tuning parameter Proportional Integral Derivative (PID) controller. Hasil simulasi menggunakan MATLAB SIMULINK dengan berbagai algoritma komputasi cerdas.
Simulation of Control Cascaded Boost Converter Series Connected and Applied in Electric Motor as Prime Mover of Irrigation Water Pump Soedibyo, Soedibyo; Ashari, Mochamad
JAVA Journal of Electrical and Electronics Engineering Vol 14, No 1 (2016)
Publisher : JAVA Journal of Electrical and Electronics Engineering

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Abstract

Abstract— The purpose of this paper is to achieve the system design that can supply energy from solar PV to the water pump irrigation motor. This research focused on design system of boost converter cascade series connected. Battery charging process and load supply is taken in the same time when the sun irradiation still exist. Power plant supply the power to the motor load with the capacity 2 HP, 90% efficiency, 380 Volt 3-phase. Inverter power rating is 1,750 Watt with the input voltage is 650 Volt-dc. Terminal voltage of inverter is 380 Volt-ac, 3-phase. Pump operate within ten hours during daylight and fourteen hours during day night. Terminal voltage from the first converter is about 114 Vdc and the second converter is about 650 Vdc. Batteries used is 3 x 12 V in series connected with the capacity of 40 Ah for each battery. Output power that produced from PV is controlled by first stage boost converter that has function to supply the power to the boost converter_2 circuit to achieve the Maximum Power Point (MPP). Controller is used for rising the efficiency of MPP. From the output boost converter_2 terminal, it’s connected to inverter that convert output DC voltage from the boost converter_2 to AC voltage 380 V, 3-phase and 50 Hz. Design of system model is simulated in MATLAB software. The result of simulation shows the scheme proposed could supply the power to energize the motor of water pump within 24 hours.
DESAIN KAPASITAS DISTRIBUTED GENERATION PADA SISTEM DISTRIBUSI RADIAL GUNA MENGURANGI RUGI DAYA DAN RUGI TEGANGAN Soedibyo, Soedibyo; Anam, Sjamsjul
JAVA Journal of Electrical and Electronics Engineering Vol 11, No 1 (2013)
Publisher : JAVA Journal of Electrical and Electronics Engineering

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Abstract

Keandalan sistem tenaga listrik dan kualitas daya merupakan salah satu faktor yang sangat penting dalam sistem tenaga. Kualitas daya listrik diartikan sebagai kualitas aliran daya pada suatu sistem. Untuk menentukan kualitas daya listrik terdapat beberapa parameter yang harus diperhatikan, diantaranya adalah nilai jatuh tegangan, nilai rugi - rugi daya,nilai harmonisa, kestabilan frekuensi dan kontinuitas penyaluran daya listrik. Salah satu metode yang dapat digunakan untuk memperbaiki kualitas daya adalah dengan penggunaan distributed generation atau DG pada sistem tenaga listrik. Penggunaandistributed generation dapat mengurangi nilai jatuh tegangan pada saluran tenaga listrik sehingga nilai rugi – rugi daya juga akan menurun. Secara khusus, pada penelitian akan dibahas bagaimana mendesain kapasitas distributed generation yang sesuai kebutuhan sistem serta membahas mengenai pengaruh penempatan distributed generation terhadap rugi – rugi daya serta tegangan pada sistem distribusi radial. Langkah pertama yang harus dilakukan adalah analisis aliran daya (load flow). Setelah hal tersebut selesai maka akan  direncanakan penempatan distributed generation pada beberapa bus untuk membandingkan tingkat kualitas daya yang terbaik serta nilai amplitudo teganganpada sistem setelah terhubung dengan DG.
Comparison of High Boost Ratio Hybrid Transformer DC-DC Converter with Multistage Converter Soedibyo, Soedibyo; Anam, Sjamsjul
JAVA Journal of Electrical and Electronics Engineering Vol 13, No 2 (2015)
Publisher : JAVA Journal of Electrical and Electronics Engineering

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Abstract

Energy of Photovoltaic is one of energy resource that potential to be developed in Indonesia. Output power of Photovoltaic is changing according to changes of sunirradiance. Energy sources that produce DC low voltage require a step-up converter to increase the voltage before it is converted into AC voltage.To optimize the system, step-up converters must have a high voltage ratio and high efficiency at all of loading level and wide voltage input range. In this research will be compared betweem multistage converter and high voltage ratio boost converter that utilizes combination of pulsewidth modulation (PWM) operating mode and a resonant mode.This converter only requires one switch, so it’s easier in the controlling. This researh results showed with same duty cycle and voltage input, transformer hybrid method can produce power output greater than multistage. The voltage output of hybrid transformer can also achieve steady state faster than using a hybrid converter.So the hybrid converter transformer has the better ability than multistage converter and can be implemented in alternative energy resources that produce a low DC voltage such as photovoltaics.
Design of Power Supply “Electronic Center” at Kr. Baruna Jaya 8 Using Photovoltaic-Battery Hybrid System Soedibyo, Soedibyo; Hidayat, Ainur Rachmad; Sahrin, Alfin; Wati, Trisna
JAVA Journal of Electrical and Electronics Engineering Vol 13, No 1 (2015)
Publisher : JAVA Journal of Electrical and Electronics Engineering

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Abstract

The utilization of solar energy as an alternative energy to generate electricity using photovoltaic (PV) connected to the grid / battery  that is still working through the night has been developed in Indonesia. The use of these technologies can be done anywhere, one of which can be applied in the maritime industry. There is a electronic center room at KR. Baruna Jaya 8 that requires electric power supply continuously. Electronic Center must still be fed from the battery in the worst conditions or blackout occurs to get the delay time to turn off all the equipment and securing data. The room is supplied from the distribution panel of electronic center with a capacity of 30 kVA, 230V, 50 Hz which will redesign using PV systems - Battery. PV is connected to an inverter that can supply the power needs in the Electronic Center room. The results of simulation using PSIM software shows that the PV system can generate 25.5 kW of supply the distribution panel of Electronic Center as a substituent of fossil fuel power plants that used previously.
Modeling and Simulation of MPPT-SEPIC Combined Bidirectional Control Inverse KY Converter Using ANFIS in Microgrid System Soedibyo, Soedibyo; Murdianto, Farid Dwi; Suyanto, Suyanto; Ashari, Mochamad; Penangsang, Ontoseno
Indonesian Journal of Electrical Engineering and Computer Science Vol 1, No 2: February 2016
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v1.i2.pp264-272

Abstract

Photovoltaic system (PV) is widely used in various renewable energy application. The main problem of PV system is how to get the maximum output power which is integrated in microgrid system. Furthermore, the redundancy output power generated by on a distribution system should also be considered. This study utilizes the excess power for energy storage using bidirectional of KY inverse converter. Since the DC voltage which generated by PV and the energy storage will be converted into AC voltage using inverter toward load. This paper proposes ANFIS as search optimization method using SEPIC converter with a maximum efficiency of 99.95% to impact to power generation performance  in microgrid system.
Control Design of Wind Turbine System Using Fuzzy Logic Controller for Middle Voltage Grid Soedibyo, Soedibyo; Pamuji, Feby Agung; Ashari, Mochamad
Indonesian Journal of Electrical Engineering and Computer Science Vol 13, No 3: March 2015
Publisher : Institute of Advanced Engineering and Science

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Abstract

This paper presents a  system wind turbine in order to have continously electricity supply for 20 kV grid. Output wind turbine controlled by dc-dc boost converter to produce maximum power in order to obtain the MPP (Maximum Power Point). Output of the converter is controlled by fuzzy logic to obtain the MPP (Maximum Power Point) wind turbine, thus the efficiency  wind turbine can be increased. The system of wind turbine is connected to 20 kV grid. From the simulation using matlab 2010 can be conclude that the controller can shift power to 75 % maximum power of wind turbine. DOI: http://dx.doi.org/10.11591/telkomnika.v13i3.7167
Co-Authors Denny Irawan Farid Dwi Murdianto Feby Agung Pamuji Heri Suryoatmojo Hidayat, Ainur Rachmad Imam Robandi Mochamad Ashari Ontoseno Penangsang Sahrin, Alfin Sjamsjul Anam Suyanto Suyanto Trisna Wati, Trisna