Analysis of LC-LC2 Compensated Inductive Power Transfer for High Efficiency and Load Independent Voltage Gain
Abstract
:1. Introduction
2. Proposed LC-LC2 Compensation
3. LC-LC2 Compensated Resonant Converter Using Frequency Domain Analysis
4. LC-LC2 Compensated Resonant Converter Using Time Domain Analysis
- (a)
- All semiconductor switches and diodes are ideal.
- (b)
- Receiver current, iS is almost sinusoidal since proposed converter operates near the resonant frequency.
5. Analysis and Experimental Results
6. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Design Specifications | Value |
---|---|
Resonant frequency | f = 80 kHz |
Parameters of IPT transformer | n = 1, Ll1 = 82.95 µH, Ll2 = 82.05 µH, LM = 25.25 µH–13.1 µH, k = 0.234–0.140 |
Compensating inductor | Lf2 = 20 µH |
Resonant capacitors | C1 = 47.71 nF, C2 = 48.24 nF, Cf2 = 354.65 nF |
Load resistance | RL = 33–200 Ω |
Filter parameters | Lf = 1000 µH and Cf = 500 nF |
Load power | PL = 500 W |
Air gap | H = 140–180 mm |
Compensation Networks | Evaluation Criteria | ||||
---|---|---|---|---|---|
Maximum Efficiency | Power Rating | Air Gap | Efficiency Variation | Higher-Order Harmonics | |
S–SP [18] | 93% | 1500 W | 200 mm | Affected by the mutual inductance changes | Injected to the rectifier side |
LC-LC2 | 93% | 500 W | 140 mm | Less affected by the mutual inductance changes | Not injected to the rectifier side |
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Alam, M.M.; Mekhilef, S.; Bassi, H.; Rawa, M.J.H. Analysis of LC-LC2 Compensated Inductive Power Transfer for High Efficiency and Load Independent Voltage Gain. Energies 2018, 11, 2883. https://doi.org/10.3390/en11112883
Alam MM, Mekhilef S, Bassi H, Rawa MJH. Analysis of LC-LC2 Compensated Inductive Power Transfer for High Efficiency and Load Independent Voltage Gain. Energies. 2018; 11(11):2883. https://doi.org/10.3390/en11112883
Chicago/Turabian StyleAlam, Md Morshed, Saad Mekhilef, Hussain Bassi, and Muhyaddin Jamal Hosin Rawa. 2018. "Analysis of LC-LC2 Compensated Inductive Power Transfer for High Efficiency and Load Independent Voltage Gain" Energies 11, no. 11: 2883. https://doi.org/10.3390/en11112883