Fractional order parallel type electric field coupling wireless electric energy transmission system

Abstract

The invention discloses a fractional order parallel type electric field coupling wireless electric energy transmission system. The system comprises a high-frequency power current source, a fractionalorder parallel type transmitting circuit, a fractional order parallel type receiving circuit and coupling capacitor metal polar plates, the high-frequency power current source is connected with the fractional order parallel type transmitting circuit in parallel, and the fractional order parallel 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 parallel 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 parallel, and the fractional order parallel 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 throughthe fractional order element, the dimension of system parameter design is increased, system optimization is easy, constant-voltage output can be achieved, the influence of loads and distances on resonant frequency is improved and even eliminated, and the resonant frequency is reduced.

Description

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

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Problems solved by technology

However, the traditional parallel space electric field coupling wireless power transfer system is based on integer-order components, the degree of freedom in system parameter design is small, the resonant frequency is greatly affected by the load and 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 current source technology

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