A Free-Standing Electromagnetic Energy Harvester for Condition Monitoring in Smart Grid

<div>The power density of the I-shaped coils with different inner diameters <i>D</i><sub>in</sub> as a function of the plate diameter <i>D</i><sub>out</sub>.</div>

Wireless Power Transfer

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Figure 9

Figure 9: A Free-Standing Electromagnetic Energy Harvester for Condition Monitoring in Smart Grid 