Study on Battery Charging Converter for MPPT Control of Laser Wireless Power Transmission System
<p>Laser wireless charging system configuration of unmanned aerial vehicle (UAV) [<a href="#B5-electronics-09-01745" class="html-bibr">5</a>].</p> "> Figure 2
<p>Laser photovoltaic (PV) module with 16 cells connected in series.</p> "> Figure 3
<p>Voltage–current and voltage–power characteristics based on laser power of PV module.</p> "> Figure 4
<p>Small-signal resistance characteristics of laser PV module.</p> "> Figure 5
<p>Boost converter for battery charging with laser PV module.</p> "> Figure 6
<p>Unterminated model of boost converter with input as the current source.</p> "> Figure 7
<p>Small-signal block diagram of unterminated model.</p> "> Figure 8
<p>Small-signal block diagram with added PV module.</p> "> Figure 9
<p>Small-signal block diagram for two-loop control.</p> "> Figure 10
<p>Bode diagram of open-loop current gain.</p> "> Figure 11
<p>Board diagram of voltage loop gain of two-loop control.</p> "> Figure 12
<p>Characteristic curve of the laser PV module.</p> "> Figure 13
<p>Algorithm flow chart of an incremental conductance method with variable amplitude.</p> "> Figure 14
<p>Simulation model using Matlab/Simulink.</p> "> Figure 15
<p>Modeling of laser PV module: (<b>a</b>) equivalent circuit model (<b>b</b>) simulation model in Matlab.</p> "> Figure 16
<p>Characteristics of laser PV module using simulation model: (<b>a</b>) V–I characteristics comparison between the simulation model and experimental results; (<b>b</b>) V–P characteristics of the simulation model.</p> "> Figure 17
<p>Simulation result of charging battery to the maximum power point.</p> "> Figure 18
<p>Experimental setup for laser wireless power transmission.</p> "> Figure 19
<p>Prototype boost converter configuration.</p> "> Figure 20
<p>Experimental result of maximum power point tracking (MPPT) control of laser PV module for battery charging.</p> "> Figure 21
<p>Enlarged waveform of MPPT control operation.</p> ">
Abstract
:1. Introduction
2. Modeling and Controller Design of Laser Wireless Power Transmission System
2.1. Laser PV Module Characteristics
2.2. Modeling and Controller Design of Boost Converter
2.3. MPPT Algorithm Design
3. Simulation and Experimental Results
3.1. Simulation Result
3.2. Experimental Results
4. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Parameters | Values | Parameters | Values |
---|---|---|---|
Isc | 1.61 A @ 2.478 W/cm2 | q | |
Voc | 0.628 V/cell | K | |
Rs | 50 mΩ/cell | T | 298.15 K |
Rsh | 4.5 Ω | n | 1.8 |
Ns | 16 |
Name of Device/Manufacturer | Rating/Values | |
---|---|---|
Laser Source | Max MFSC 200 W-300 L Air Cooling Fiber | Power range 0–140 W Central wavelength 1080 nm |
Laser Receiving Panel | Custom-made PV module | Voc: 10 V, Isc: 1.6 A @ 2.478 W/cm2 |
Electronic Load | ITECH LT8511 | 120 V/30 A |
Battery | Skyholic Li-polymer battery | Nominal 22.2 V, 4.5 Ah |
Battery Charging Boost Converter | Input/Output Range | Input: 3–15 V/~3.5 A Output: 16.2–25.2 V/1 A |
Inductor | 30 µH | |
Input/Output Capacitor | 100 µF/220 µF | |
Switching Frequency | 90 kHz |
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Lee, S.; Lim, N.; Choi, W.; Lee, Y.; Baek, J.; Park, J. Study on Battery Charging Converter for MPPT Control of Laser Wireless Power Transmission System. Electronics 2020, 9, 1745. https://doi.org/10.3390/electronics9101745
Lee S, Lim N, Choi W, Lee Y, Baek J, Park J. Study on Battery Charging Converter for MPPT Control of Laser Wireless Power Transmission System. Electronics. 2020; 9(10):1745. https://doi.org/10.3390/electronics9101745
Chicago/Turabian StyleLee, Seongjun, Namgyu Lim, Wonseon Choi, Yongtak Lee, Jongbok Baek, and Jungsoo Park. 2020. "Study on Battery Charging Converter for MPPT Control of Laser Wireless Power Transmission System" Electronics 9, no. 10: 1745. https://doi.org/10.3390/electronics9101745