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LCC-LCC/S hybrid compensation topology for wireless power transfer based on switch controlled capacitor with constant current and constant voltage characteristics
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DOI：10.1587/elex.23.20250691.png)
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Abstract
En 中文
For wireless power transfer systems, constant current (CC) output, constant voltage (CV) output, and zero phase angle (ZPA) switching are critical research priorities. This paper proposes an LCC-LCC/S hybrid compensated converter integrated with an auxiliary switch-controlled capacitor (SCC). By adjusting the parameters of the SCC, the LCC-LCC compensation topology can achieve load-independent CC output at a fixed frequency under ZPA conditions. Similarly, the LCC-S compensation topology enables load-independent CV output under the same operating conditions. Experimental validation is conducted on a 19.42 kHz prototype, which stably delivers 2 A and 60 V with a peak efficiency of 90.7%.
Keywords:
wireless power transmission
constant current output
constant voltage output
switch-controlled capacitor
ZPA
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0.7
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204
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1.6K
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