Crosstalk Study of Simultaneous Wireless Power/Information Transmission Based on an LCC Compensation Network
Abstract
:1. Introduction
2. Overviews of SWTPI and the LCC Compensation Network
2.1. Overview of SWTPI
2.2. Overview of the LCC Compensation Network
- (1)
- The overall impedance from the input side becomes
- (2)
- Using Equation (1), the output current flowing through Rref can be derived as
3. Crosstalk Study of SWTPI Based on the LCC Compensation Network
3.1. Selection of Compensation Network and Coupling Position
3.2. Proposed Structure
3.3. Data Transmission Analysis
3.4. Crosstalk at the Power Frequency Based on the LCC Compensation Network
3.5. Crosstalk at the Communication Frequency Based on the LCC Compensation Network
3.6. Crosstalk from the Switch Process of the Inverter
3.7. Influence of Misalignment on Crosstalk
4. Crosstalk Minimization via Parameter Design for the LCC Compensation Network
4.1. Minimizing the Crosstalk at the Power Frequency and Communication Frequency
4.2. Ensuring the ZVS Status of the Inverter
4.3. Parameter Design Method for the LCC Compensation Network to Minimize the Crosstalk
5. Prototype Design and Experimental Validation
5.1. Experimental Set
5.2. Experimental Results
6. Conclusions
Acknowledgments
Author Contributions
Conflicts of Interest
References
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Parameter | Value |
---|---|
Air gap | 100 cm |
Udc | 210 V |
fp | 160 kHz |
fd | 6 MHz |
Ls, Lr | 119 μH, 120 μH |
rLs, rlr2 | 208 mΩ, 263 mΩ |
Ls1, Lr1 | 8.36 μH, 7.1 μH |
Cs1, Cs2, Cr1, Cr2 | 120 nF, 8.9 nF, 139 nF, 9 nF |
Lsd1, Lsd2, Ld1, Lrd1 | 2 μH |
rsd1, rsd2, rrd1, rrd2 | 10 Ω |
Csd, Crd | 50 pF |
Msr | 1.98 μH |
Mts, Mtr | ≈2 μH |
Xs, Xr | 6.97 Ω, 7.14 Ω |
Rl | 22.4 Ω–30.4 Ω |
Misalignment | 30 cm |
α, β | 1.085, 0.932 |
Parameter | Value (Avg) |
---|---|
Vs | 3150 V |
Vsd1(Proposed) | 14.5 V |
Vsd1(Previous) | 52.5 V |
Vr | 3048 V |
Vrd1(Proposed) | 1.83 V |
Vrd1(Previous) | 50.8 V |
Reflected Load | Power In | Power Received | SNR |
---|---|---|---|
1.8 Ω | −20 dBmW | −35 dBmW | 9 dB |
2.3 Ω | −22 dBmW | −32 dBmW | 10 dB |
3 Ω | −19 dBmW | −30 dBmW | 10 dB |
3.6 Ω | −21 dBmW | −33 dBmW | 11 dB |
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Ji, L.; Wang, L.; Liao, C.; Li, S. Crosstalk Study of Simultaneous Wireless Power/Information Transmission Based on an LCC Compensation Network. Energies 2017, 10, 1606. https://doi.org/10.3390/en10101606
Ji L, Wang L, Liao C, Li S. Crosstalk Study of Simultaneous Wireless Power/Information Transmission Based on an LCC Compensation Network. Energies. 2017; 10(10):1606. https://doi.org/10.3390/en10101606
Chicago/Turabian StyleJi, Li, Lifang Wang, Chenglin Liao, and Shufan Li. 2017. "Crosstalk Study of Simultaneous Wireless Power/Information Transmission Based on an LCC Compensation Network" Energies 10, no. 10: 1606. https://doi.org/10.3390/en10101606