Research Article
Method for Estimating Optimum Free Resonant Frequencies in Overcoupled WPT System
Table 1
The estimated free resonant frequencies using method of [
13] and the proposed method with respect to coupling coefficients to achieve the high PTE.
| Coupling coefficient | & of [13] [kHz] | & using the proposed method [kHz] | Difference [kHz] | Terminated iteration number |
| 0.214 | 112.38 | 112.39 | 0.01 | 5 | 128.54 | 128.51 | 0.03 | 0.190 | 111.73 | 111.73 | 0 | 4 | 125.63 | 125.63 | 0 | 0.164 | 110.97 | 110.97 | 0 | 4 | 122.19 | 122.19 | 0 | 0.143 | 110.28 | 110.28 | 0 | 5 | 119.02 | 119.02 | 0 | 0.129 | 109.75 | 109.74 | 0.01 | 6 | 116.51 | 116.51 | 0 | 0.116 | 109.11 | 109.10 | 0.01 | 10 | 113.48 | 113.44 | 0.04 |
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