Table 2 Design parameters of WPT systems.

From: Optimal frequency for magnetic resonant wireless power transfer in conducting medium

System parameter

5.0 cm diameter

10.0 cm diameter

Source-load loop diameter

4.0 cm

8.0 cm

Tx–Rx resonator

Number of turn

5

8

Diameter

5.0 cm

10.0 cm

Strip width

2.5 mm

3.0 mm

Inter-strip space

1.0 mm

1.0 mm

FR-4 thickness

1.0 mm

1.0 mm

Capacitor for 10.0 MHz WPT

261 pF

140 pF

Capacitor for 20.0 MHz WPT

50 pF

30 pF

Transmission distance

5.0 cm

5.0 cm