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Optimization design method of magnetic coupling resonant type wireless electric power transmission system

A resonant radio and transmission system technology, applied in electromagnetic wave systems, electrical components, circuit devices, etc., can solve the problems of short proposal time, incomplete proposal, insufficient research, etc., and achieve the effect of improving efficiency

Inactive Publication Date: 2014-08-13
TSINGHUA UNIV
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Problems solved by technology

However, due to the short time of proposal, the research is not sufficient, the current systematic analysis and design methods have not been completely proposed, and there is no set of theory for selection and design of parameters such as resonance frequency, inductance value and capacitance value.

Method used

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  • Optimization design method of magnetic coupling resonant type wireless electric power transmission system
  • Optimization design method of magnetic coupling resonant type wireless electric power transmission system
  • Optimization design method of magnetic coupling resonant type wireless electric power transmission system

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Embodiment Construction

[0032] The optimization method of the magnetic coupling resonant wireless power transmission transmission system provided by the embodiment of the present invention will be described in detail below with reference to the accompanying drawings. It should be emphasized that the following description is only exemplary and not intended to limit the scope of the invention and its application.

[0033] see figure 1 The optimal design method of the magnetic coupling resonant wireless power transmission system provided by the implementation of the present invention includes the following steps:

[0034] S10, building a magnetically coupled resonant wireless power transfer system model;

[0035] S11, establishing an equivalent circuit of the magnetic coupling resonant wireless power transmission system;

[0036] S12, introducing and calculating the power supply matching factor S M-2C and S M-4C , load matching factor L M-2C and L M-4C , Transmission figure of merit T Q and frequ...

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Abstract

The invention relates to an optimization design method of a magnetic coupling resonant type wireless electric power transmission system. The method comprises the following steps: S10, erecting a magnetic coupling resonant type wireless electric power transmission system model; S11, establishing an equivalent circuit of the magnetic coupling resonant type wireless electric power transmission system; S12, introducing and calculating power supply matching factors S(M-2C) and S(M-4C), load matching factors L(M-2C) and L(M-4C), a transmission quality factor T(Q) and a frequency offset factor F(D); S13, deriving reflection impedance Z32 reflected to a transmitting coil by a receiving coil; S14, performing per unit processing on the reflection impedance Z32 to obtain reflection impedance Z32<-> after the per unit processing; S15, analyzing the transmission characteristics of the magnetic coupling resonant type wireless electric power transmission system through the Z32<->; S16, adjusting the parameters of the magnetic coupling resonant type wireless electric power transmission system according to the analysis result of the step S15; and S17, repeating the steps from the S12 to the S16 until the transmission characteristics reach target values.

Description

technical field [0001] The invention relates to an optimal design method of a wireless power transmission system, in particular to an optimal design method of a magnetic coupling resonance type wireless power transmission system. Background technique [0002] Since human society entered the era of electrification, the transmission of electric energy is mainly through point-to-point direct contact transmission of metal wires. However, due to problems such as friction and aging of the wires, sparks are easily generated during power transmission, which in turn affects the life of electrical equipment and the safety of electricity usage. At the same time, in some special applications, such as mines and water, direct contact transmission of wires is prone to danger. In addition, the long-term power supply of medical equipment implanted in the body is also inconvenient. Wireless power transfer (WPT) can solve the above problems. [0003] Wireless power transmission can be achie...

Claims

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Application Information

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IPC IPC(8): H02J17/00H02J50/12
Inventor 张艺明赵争鸣陈凯楠贺凡波
Owner TSINGHUA UNIV
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