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.

ParameterBow-tie [28]Rod [38]Helical [29]I-shaped

Length15 cm50 cm15 cm28 cm
Magnetic flux density7 µTRMS7 µTRMS7 µTRMS7 µTRMS
Number of windings40,00040,000200040,000
Wire diameter0.14 mmUnknown0.4 mm0.33 mm
Max output power360 µW833 µW2.86 mW5.2 mW
Power density1.86 µW/cm30.12 µW/cm39.8 µW/cm38.4 µW/cm3