Fractional order series-parallel electric field coupling wireless power transmission system
A technology of wireless power transmission and electric field coupling, applied in electrical components, circuit devices, etc., can solve the problems of few adjustable factors of output power and transmission efficiency, small degree of freedom of system parameters, large influence of resonance frequency, etc. Design, remove effects, avoid detuned effects
Pending Publication Date: 2020-03-31
SOUTH CHINA UNIV OF TECH
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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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[0022] In order to further illustrate the content and characteristics of the present invention, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the implementation and protection of the present invention are not limited thereto.
[0023] Such as figure 1 with figure 2 As shown, the fractional series-parallel electric field coupling wireless power transmission system provided by this embodiment includes a high-frequency power and voltage source U s , A fractional-order series transmitting circuit, a fractional-order parallel receiving circuit and a coupling capacitor metal plate, the high-frequency power voltage source U s Connected to the fractional-order series-type transmitting circuit, the fractional-order series-type transmitting circuit and the fractional-order parallel receiving circuit pass through two coupling capacitor metal plates C in parallel c1 , C c2 Connected, and then realize wirele...
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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...
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IPC IPC(8): H02J50/05
CPCH02J50/05
Inventor 张波疏许健江彦伟魏芝浩
Owner SOUTH CHINA UNIV OF TECH
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