Fractional order series-parallel electric field coupling wireless power transmission system

Abstract

The invention discloses a fractional order series-parallel electric field coupling wireless power transmission system. The device comprises a high-frequency power voltage source, a fractional order series type transmitting circuit, a fractional order parallel type receiving circuit and coupling capacitor metal polar plates, the high-frequency power voltage source is connected with the fractional order series type transmitting circuit, and the fractional order series type transmitting circuit and the fractional order parallel type receiving circuit are connected through the two coupling capacitor metal polar plates which are connected in parallel; wherein the fractional order series type transmitting circuit is a resonance circuit formed by connecting a primary side fractional order inductor and a primary side fractional order compensation capacitor in series, and the fractional order series type receiving circuit is a resonance circuit formed by connecting a secondary side fractional order inductor, a secondary side fractional order compensation capacitor and a load in parallel. Electric field coupling wireless power transmission is achieved through the fractional order element, the dimensionality of system parameter design is increased, system optimization is easy, constant-voltage output can be achieved. The system resonant frequency and the voltage class and design requirements of the system for a high-frequency voltage source are reduced.

Description

Technical field [0001] The invention relates to the technical field of space electric field coupling wireless power transmission, in particular to a fractional-order series-parallel electric field coupling wireless power transmission system. Background technique [0002] According to the different realization mechanisms and methods of electric energy transmission, wireless power transmission technology can be roughly divided into inductive coupling wireless power transmission technology, magnetic resonance coupling wireless power transmission technology, microwave wireless power transmission technology and electric field coupling wireless power transmission technology . Among them, inductive coupling, magnetic resonance coupling and electric field coupling wireless power transmission technologies are the most widely studied. [0003] Electric field coupling wireless power transmission technology is one of the most widely studied wireless power transmission technologies. Compared w...

AI Technical Summary

Problems solved by technology

However, the traditional series-parallel space electric field coupling wireless power transfer system is realized based on integer-order components, the degree of freedom in system parameter design is small, the resonant frequency is greatly affected by the distance, and it is easy to detune, and the output power and transmission efficiency are limited. There are few adjustable factors, and it is difficult to further develop due to the limitation of high-frequency voltage source technology

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