An Overview of Resonant Circuits for Wireless Power Transfer

• Published in: Energies (Basel) Vol. 10; no. 7; p. 894
• Main Authors: Jiang, Chaoqiang, Chau, K. T., Liu, Chunhua, Lee, Christopher H. T.
• Format: Journal Article
• Language: English
• Published: Basel MDPI AG 01-07-2017
• Subjects: Circuits; compensation networks; Conduction; Converters; Efficiency; Electric power distribution; Inductance; Inverters; Load; magnetic resonance; non-resonant converters; Receivers & amplifiers; Resonant frequencies; resonant inverters; selective resonant circuits; Systems stability; Topology; wireless power transfer; Hong Kong China; China
• ISSN: 1996-1073; 1996-1073
• DOI: 10.3390/en10070894

By taking the advantage that power is distributed evenly by the parallel inverters, the heat dissipation becomes easier than the single inverter topology. [...]active research is being investigated on the conduction angle and phase delay of the two full-bridge Class D inverters to improve the system stability. [...]the nominal resonant frequency in the series-compensated primary will not be affected by the mutual inductance and load variations [63]. [...]the series-connected inductor LSP and the resonant capacitor CP can be expressed as: LSP=1 ω02 CPP CP=CPPLP/LSP-p2/8 The PP LCC topology was proposed to improve the transmission distance [70]. According to various requirements on power level, loss, cost and operation frequency, the corresponding resonant converter should adopt an appropriate control strategy.