A Family of Hybrid Topologies for Efficient Constant-Current and Constant-Voltage Output of Magnetically Coupled Wireless Power Transfer Systems
<p>Schematic diagram of wireless charging for EVs.</p> "> Figure 2
<p>Schematic diagram of the lithium battery charging process.</p> "> Figure 3
<p>Proposed reconfigurable topologies. (<b>a</b>) Half–Half bridge topology. (<b>b</b>) Full–Full bridge topology. (<b>c</b>) Full–Half bridge topology.</p> "> Figure 4
<p>Equivalent circuit. (<b>a</b>) CC mode. (<b>b</b>) CV mode.</p> "> Figure 5
<p>Half–Half bridge topology operating modes. (<b>a</b>) Switches Q<sub>1</sub> and Q<sub>2</sub> are open. (<b>b</b>) Switches Q<sub>1</sub> and Q<sub>2</sub> are closed.</p> "> Figure 6
<p>Full–Full bridge topology operating modes. (<b>a</b>) Switches Q<sub>1</sub> and Q<sub>2</sub> are open. (<b>b</b>) Switches Q<sub>1</sub> and Q<sub>2</sub> are closed.</p> "> Figure 7
<p>Full–Half bridge topology operating modes. (<b>a</b>) Switches Q<sub>1</sub> and Q<sub>2</sub> are open. (<b>b</b>) Switches Q<sub>1</sub> and Q<sub>2</sub> are closed.</p> "> Figure 8
<p>Photo of the experimental prototype.</p> "> Figure 9
<p>Calculated and experimental results for the Full–Full bridge topology. (<b>a</b>) DC charging current and voltage. (<b>b</b>) DC efficiency and output power.</p> "> Figure 10
<p>Calculated and experimental results for the Full–Half bridge topology. (<b>a</b>) DC charging current and voltage. (<b>b</b>) DC efficiency and output power.</p> "> Figure 11
<p>Calculated and experimental results for the Half–Half bridge topology. (<b>a</b>) DC charging current and voltage. (<b>b</b>) DC efficiency and output power.</p> ">
Abstract
:1. Introduction
2. Principles of Operation
2.1. CC and CV Design
2.2. Efficiency Optimization Design
3. Experimental Verification
4. Conclusions
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Parameter | Value | Parameter | Value | Parameter | Value |
---|---|---|---|---|---|
f (kHz) | 85.00 | M (μH) | 20.45 | RL (Ω) | 5–110 |
LP (μH) | 78.19 | LS (μH) | 77.33 | LF (μH) | 30.15 |
RP (mΩ) | 208.8 | RS (mΩ) | 206.5 | RF (mΩ) | 161.0 |
CP (nF) | 44.96 | CS (nF) | 75.40 | CF (nF) | 115.40 |
Comparisons | CC and CV Method | Peak Efficiency | Power Rating | Communication Requirements | Efficiency Optimization | Degree of Complexity |
---|---|---|---|---|---|---|
[12] | SPWM control strategy | 92.50% | 9 W | Yes | N/A | High |
[13] | Load estimation and double closed-loop control strategy | 91.16% | 1.95 kW | No | N/A | High |
[21] | LCCC/S compensation and dual resonant frequencies | 93.98% | 144 W | Yes | N/A | High |
[22] | Switching transitions and PFC | 90.06% | 370 W | No | No | Mid |
[20] | Hybrid topologies and switching transitions | 91.80% | 1 kW | No | No | Mid |
This paper | Switching transitions and efficiency optimization | 94.32% | 1.78 kW | No | Yes | Low |
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Zheng, Y.; Xie, R.; Lin, T.; Chen, X.; Mao, X.; Zhang, Y. A Family of Hybrid Topologies for Efficient Constant-Current and Constant-Voltage Output of Magnetically Coupled Wireless Power Transfer Systems. World Electr. Veh. J. 2024, 15, 578. https://doi.org/10.3390/wevj15120578
Zheng Y, Xie R, Lin T, Chen X, Mao X, Zhang Y. A Family of Hybrid Topologies for Efficient Constant-Current and Constant-Voltage Output of Magnetically Coupled Wireless Power Transfer Systems. World Electric Vehicle Journal. 2024; 15(12):578. https://doi.org/10.3390/wevj15120578
Chicago/Turabian StyleZheng, Yingyao, Ronghuan Xie, Tao Lin, Xiaoying Chen, Xingkui Mao, and Yiming Zhang. 2024. "A Family of Hybrid Topologies for Efficient Constant-Current and Constant-Voltage Output of Magnetically Coupled Wireless Power Transfer Systems" World Electric Vehicle Journal 15, no. 12: 578. https://doi.org/10.3390/wevj15120578
APA StyleZheng, Y., Xie, R., Lin, T., Chen, X., Mao, X., & Zhang, Y. (2024). A Family of Hybrid Topologies for Efficient Constant-Current and Constant-Voltage Output of Magnetically Coupled Wireless Power Transfer Systems. World Electric Vehicle Journal, 15(12), 578. https://doi.org/10.3390/wevj15120578