Study on Battery Charging Converter for MPPT Control of Laser Wireless Power Transmission System
Herein, the voltage and current output characteristics of a laser photovoltaic (PV) module applied to a wireless power transmission system using a laser beam are analyzed. First, an experiment is conducted to obtain the characteristic data of the voltage and current based on the laser output power o...
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doaj-37132f695cea40658762a48a0bba28202020-11-25T03:38:21ZengMDPI AGElectronics2079-92922020-10-0191745174510.3390/electronics9101745Study on Battery Charging Converter for MPPT Control of Laser Wireless Power Transmission SystemSeongjun Lee0Namgyu Lim1Wonseon Choi2Yongtak Lee3Jongbok Baek4Jungsoo Park5Department of Mechanical Engineering, Chosun University, Gwangju 61452, KoreaDepartment of Mechanical System & Automotive Engineering, Chosun University, Gwangju 61452, KoreaGwangju Institute of Science and Technology, Gwangju 61452, KoreaGwangju Institute of Science and Technology, Gwangju 61452, KoreaEnergy ICT Convergence Research Department, Korea Institute of Energy Research, Daejeon 34129, KoreaDepartment of Mechanical Engineering, Chosun University, Gwangju 61452, KoreaHerein, the voltage and current output characteristics of a laser photovoltaic (PV) module applied to a wireless power transmission system using a laser beam are analyzed. First, an experiment is conducted to obtain the characteristic data of the voltage and current based on the laser output power of the laser PV module, which generates the maximum power from the laser beam at a wavelength of 1080 nm; subsequently, the small-signal voltage and current characteristics of the laser PV module are analyzed. From the analysis results, it is confirmed that the laser PV module has a characteristic in which the maximum power generation point varies according to the power level of the laser beam. In addition, similar to the solar cell module, it is confirmed that the laser PV module has a current source and a voltage source region, and it shows a small signal resistance characteristic having a negative value as the operating point goes to the current source region. In addition, in this paper, by reflecting these electrical characteristics, a method for designing the controller of a power converter capable of charging a battery while generating maximum power from a PV module is proposed. Since the laser PV module corresponds to the input source of the boost converter used as the power conversion unit, the small-signal transfer function of the boost converter, including the PV module, is derived for the controller design. Therefore, by designing a controller that can stably control the voltage of the PV module in the current source, the maximum power point, and voltage source regions defined according to the output characteristics of the laser PV module, the maximum power is generated from the PV module. Herein, a systematic controller design method for a boost converter for laser wireless power transmission is presented, and the proposed method is validated based on the simulation and experimental results of a 25-W-class boost converter based on a microcontroller unit control.https://www.mdpi.com/2079-9292/9/10/1745laser wireless power transmissionPV modulemaximum power pointbattery charging |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Seongjun Lee Namgyu Lim Wonseon Choi Yongtak Lee Jongbok Baek Jungsoo Park |
spellingShingle |
Seongjun Lee Namgyu Lim Wonseon Choi Yongtak Lee Jongbok Baek Jungsoo Park Study on Battery Charging Converter for MPPT Control of Laser Wireless Power Transmission System Electronics laser wireless power transmission PV module maximum power point battery charging |
author_facet |
Seongjun Lee Namgyu Lim Wonseon Choi Yongtak Lee Jongbok Baek Jungsoo Park |
author_sort |
Seongjun Lee |
title |
Study on Battery Charging Converter for MPPT Control of Laser Wireless Power Transmission System |
title_short |
Study on Battery Charging Converter for MPPT Control of Laser Wireless Power Transmission System |
title_full |
Study on Battery Charging Converter for MPPT Control of Laser Wireless Power Transmission System |
title_fullStr |
Study on Battery Charging Converter for MPPT Control of Laser Wireless Power Transmission System |
title_full_unstemmed |
Study on Battery Charging Converter for MPPT Control of Laser Wireless Power Transmission System |
title_sort |
study on battery charging converter for mppt control of laser wireless power transmission system |
publisher |
MDPI AG |
series |
Electronics |
issn |
2079-9292 |
publishDate |
2020-10-01 |
description |
Herein, the voltage and current output characteristics of a laser photovoltaic (PV) module applied to a wireless power transmission system using a laser beam are analyzed. First, an experiment is conducted to obtain the characteristic data of the voltage and current based on the laser output power of the laser PV module, which generates the maximum power from the laser beam at a wavelength of 1080 nm; subsequently, the small-signal voltage and current characteristics of the laser PV module are analyzed. From the analysis results, it is confirmed that the laser PV module has a characteristic in which the maximum power generation point varies according to the power level of the laser beam. In addition, similar to the solar cell module, it is confirmed that the laser PV module has a current source and a voltage source region, and it shows a small signal resistance characteristic having a negative value as the operating point goes to the current source region. In addition, in this paper, by reflecting these electrical characteristics, a method for designing the controller of a power converter capable of charging a battery while generating maximum power from a PV module is proposed. Since the laser PV module corresponds to the input source of the boost converter used as the power conversion unit, the small-signal transfer function of the boost converter, including the PV module, is derived for the controller design. Therefore, by designing a controller that can stably control the voltage of the PV module in the current source, the maximum power point, and voltage source regions defined according to the output characteristics of the laser PV module, the maximum power is generated from the PV module. Herein, a systematic controller design method for a boost converter for laser wireless power transmission is presented, and the proposed method is validated based on the simulation and experimental results of a 25-W-class boost converter based on a microcontroller unit control. |
topic |
laser wireless power transmission PV module maximum power point battery charging |
url |
https://www.mdpi.com/2079-9292/9/10/1745 |
work_keys_str_mv |
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