Research Article
A Free-Standing Electromagnetic Energy Harvester for Condition Monitoring in Smart Grid
Table 3
The comparison of different designs of energy harvester from existing research and the proposed I-shaped energy harvester.
| Parameter | Bow-tie [28] | Rod [38] | Helical [29] | I-shaped |
| Length | 15 cm | 50 cm | 15 cm | 28 cm | Magnetic flux density | 7 µTRMS | 7 µTRMS | 7 µTRMS | 7 µTRMS | Number of windings | 40,000 | 40,000 | 2000 | 40,000 | Wire diameter | 0.14 mm | Unknown | 0.4 mm | 0.33 mm | Max output power | 360 µW | 833 µW | 2.86 mW | 5.2 mW | Power density | 1.86 µW/cm3 | 0.12 µW/cm3 | 9.8 µW/cm3 | 8.4 µW/cm3 |
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