Research on output characteristics of wireless power transmission power source based on transforming network

In the wireless power transfer system, the front stage power supply is used to efficiently transfer power to the post-stage circuit. As a bridge connecting the front stage power supply and the rear stage circuit of the wireless power transmission system, power converter network is generally placed b...

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Bibliographic Details
Published in:Journal of engineering (Stevenage, England) England), 2019-03, Vol.2019 (16), p.2890-2892
Main Authors: Liu, WenRui, Lin, Lingyan, Tian, Muqin, Xu, Chunyu, Zhang, Wenjie
Format: Article
Language:English
Subjects:
circuit topologies
current stability
front stage power supply
inductive power transmission
inverter output filtering
invertors
LC circuits
LCC transform network circuit model
LCL transform network circuit model
LLC network topologies
network components
output characteristics
output voltage stability
parameter calculation
parameter optimisation design
post-stage circuit
power converter network
rear stage circuit
simulation analysis
specific power transmission requirements
The 14th IET International Conference on AC and DC Power Transmission (ACDC 2018)
transforming network
transmission characteristics
wireless power transfer system
wireless power transmission power source
wireless power transmission system
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Summary:In the wireless power transfer system, the front stage power supply is used to efficiently transfer power to the post-stage circuit. As a bridge connecting the front stage power supply and the rear stage circuit of the wireless power transmission system, power converter network is generally placed behind the inverter so as to achieve output filtering of inverter and stability of output voltage and current. This paper analyses the LCC (inductance-capacitance-capacitance) and LCL (inductance-capacitance-inductance) transform network circuit model, and transmission characteristics of LCC and LCL conversion networks are analysed and compared based on two different circuit topologies. By means of parameter calculation, simulation analysis, and parameter optimisation design, it is concluded that both LCC and LCL networks have different characteristics. The results show that for both LCC and LCL network topologies, when the parameters of network components satisfy certain conditions, they can relatively achieve stable voltage or current output within a certain load range to meet the specific power transmission requirements.
ISSN:2051-3305
2051-3305
DOI:10.1049/joe.2018.8916