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Bidirectional wireless electric energy transmission system based on PT symmetry principle

A two-way radio and transmission system technology, applied in the direction of circuits, inductors, electrical components, etc., to achieve the effect of strong anti-offset ability

Pending Publication Date: 2019-08-13
广州汇力威无线供电技术有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In recent years, researchers have applied parity-time (PT) symmetric quantum theory to the field of wireless power transmission, showing great advantages, but no scholars have applied it to two-way wireless power transmission systems, and it is currently blank

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  • Bidirectional wireless electric energy transmission system based on PT symmetry principle
  • Bidirectional wireless electric energy transmission system based on PT symmetry principle
  • Bidirectional wireless electric energy transmission system based on PT symmetry principle

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Embodiment Construction

[0020] 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 in conjunction with the accompanying drawings, but the implementation and protection of the present invention are not limited thereto.

[0021] Such as figure 1 As shown, the two-way wireless power transmission system based on the principle of PT symmetry provided by this embodiment includes a primary circuit and a secondary circuit, and the primary circuit includes a series-connected primary symbol variable resistor 1 and a primary tuning capacitor C 1 , Primary coil L 1 and the equivalent internal resistance of the primary circuit R 1 , the secondary side circuit includes a secondary side symbol variable resistor 2 connected in series, a secondary side tuning capacitor C 2 , secondary coil L 2 and the equivalent internal resistance of the secondary circuit R 2 ; The primary side sign variable ...

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Abstract

The invention discloses a bidirectional wireless electric energy transmission system based on a PT symmetry principle. The circuit comprises a primary side circuit and a secondary side circuit. The primary side circuit comprises a primary side symbol variable resistor, a primary side tuning capacitor, a primary side coil and a primary side loop equivalent internal resistor which are connected in series; and the secondary side circuit comprises a secondary side symbol variable resistor, a secondary side tuning capacitor, a secondary side coil and a secondary side loop equivalent internal resistor which are connected in series; wherein the primary side symbol variable resistor comprises a primary side AC controlled voltage source and a primary side control module which are connected with each other, and the secondary side symbol variable resistor comprises a secondary side AC controlled voltage source and a secondary side control module which are connected with each other. The power transmission direction can be flexibly changed by controlling symbols of primary and secondary side symbol variable resistors, the bidirectional transmission of energy is realized, and the energy can be transmitted in the space. Moreover, in a time symmetry region, the constant transmission efficiency and output power can be realized, and the power divider has very strong anti-offset capability and has obvious advantages in practical application.

Description

technical field [0001] The present invention relates to the technical field of wireless power transmission or wireless power transmission, in particular to a two-way wireless power transmission system based on the principle of PT symmetry. Background technique [0002] With the introduction of the concept of Energy Internet and the development of related technologies of smart distribution network, the two-way wireless power transmission system has gradually shown its unique advantages. For example, for the power grid, the two-way wireless power transmission system allows the two-way flow of power between the grid power and the vehicle battery. At this time, the electric vehicle is not only a power device of the power grid, but also an important mobile energy storage system. Through appropriate Modulation can realize optimized operation functions such as orderly charging of electric vehicles and peak-shaving and valley-filling of the power grid, which is of great significance...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J50/12H01F38/14
CPCH02J50/12H01F38/14
Inventor 张波吴理豪江彦伟
Owner 广州汇力威无线供电技术有限公司
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