Research on High Power Factor Single Tube Variable Structure Wireless Power Transmission
Abstract
:1. Introduction
2. System Structure and Operation Process
3. Circuit Model Analysis
4. The Simulation Analysis
4.1. Simulation Analysis of Input Current
4.2. Simulation Analysis of Ripple Suppression
5. Experimental Verification
6. Conclusions
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Mode | Separate Topological Transmitter | Traditional Topological Transmitter |
---|---|---|
Stage 1 | iL1 increases linearly when the switch is on. | Switch tube continuation diode conduction. |
Stage 2 | When the switch is off, iL1 decreases and C1 accumulates charge. | When the switch is on, iL2 increases linearly. |
Stage 3 | The switch is closed and the capacitor charges the inductance. | The switch tube closes and the inductance and capacitor enter the resonant state. |
Stage 4 | The switch tube is turned on with zero voltage, and the inductance current is continued through the continuing diode, which is reduced to zero, and stage 1 is repeated. | The inductance charges the capacitor in reverse, and the voltage withstand of the switch reaches its maximum. |
Stage 5 | Capacitor discharges, voltage resistance of switch tube is reduced. | |
Stage 6 | The inductance charges the capacitor, the voltage drop of the switch is zero, and the continuation secondary leads on. | |
Stage 7 | The switch tube realizes zero voltage conduction. |
Parameter Name | Parameter Value |
---|---|
Switching frequency | 206 kHz |
Receiving/Transmitting resonant inductance | 7 µH |
The receiver compensates the capacitance | 0.094 µF |
load | 15 Ω |
The coupling coefficient | 0.3 |
Input Current/A | Output Voltage/V | Output Current/A | Transmission Efficiency/% | |
---|---|---|---|---|
Traditional PP system | 1.05 | 5.25 | 2.01 | 83.75 |
IDC PP-type system | 1.03 | 5.21 | 2.02 | 85.15 |
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Yang, Y.; Zhang, X.; Luo, L.; Xie, S.; Zhou, Q. Research on High Power Factor Single Tube Variable Structure Wireless Power Transmission. World Electr. Veh. J. 2021, 12, 214. https://doi.org/10.3390/wevj12040214
Yang Y, Zhang X, Luo L, Xie S, Zhou Q. Research on High Power Factor Single Tube Variable Structure Wireless Power Transmission. World Electric Vehicle Journal. 2021; 12(4):214. https://doi.org/10.3390/wevj12040214
Chicago/Turabian StyleYang, Yi, Xuejian Zhang, Lei Luo, Shiyun Xie, and Qingshan Zhou. 2021. "Research on High Power Factor Single Tube Variable Structure Wireless Power Transmission" World Electric Vehicle Journal 12, no. 4: 214. https://doi.org/10.3390/wevj12040214