Research Article
An Inductive Link-Based Wireless Power Transfer System for Biomedical Applications
Table 2
Calculations of power conversion and link efficiencies.
| | Frequency | Conversion efficiency (through class E converter and link), η conv = | Drain efficiency, η drain | Link efficiency, η link = η conv/η drain | Load efficiency excluding regulator and gate drive losses, η load_net = | Load efficiency excluding regulator but including gate drive losses, η load_driver = | Overall system efficiency, η system = |
| | 183.8 | 51.8% | 79.0% | 65.6% | 10.9% | 9.2% | 3.6% | | 195.0 | 61.5% | 85.4% | 72.0% | 16.7% | 13.2% | 5.3% | | 206.1 | 71.2% | 92.8% | 76.7% | 30.5% | 20.2% | 8.9% | | 211.9 | 75.6% | 94.0% | 80.4% | 46.3% | 26.0% | 12.5% |
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