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SS-type single line electrical transmission system based on self-excitation oscillation powder source

A technology of self-excited oscillation and power transmission, applied in the direction of electrical components, circuit devices, etc., can solve the problems of reduced transmission efficiency and unfavorable practical application of the system, and achieve the effects of stable single-line power transmission, rapid response to load changes, and simple system structure

Active Publication Date: 2018-06-22
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the transmission efficiency of the traditional single-wire space electric field coupling power transmission system is greatly affected by the transmission distance, and usually the transmission efficiency decreases greatly with the increase of the distance, which is not conducive to the practical application of the system

Method used

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  • SS-type single line electrical transmission system based on self-excitation oscillation powder source
  • SS-type single line electrical transmission system based on self-excitation oscillation powder source
  • SS-type single line electrical transmission system based on self-excitation oscillation powder source

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Embodiment Construction

[0026] The present invention will be further described below in conjunction with specific examples.

[0027] Such as figure 1 As shown, the SS-type single-wire power transmission system based on the self-oscillating power supply provided in this embodiment includes the self-oscillating power supply u in , primary side resonator, secondary side resonator, single external insulated wire SW and load R L ; The primary side resonator includes a primary side transmitting coil connected in series and a primary side parasitic capacitance C 1 , the primary transmitting coil includes a primary inductance L connected in series 1 and the internal resistance of the primary coil R 1 , the primary resonant field of the primary resonator has a resonant angular frequency and primary internal resistance loss coefficient Γ 1 =R 1 / 2L 1 ; The secondary side resonator includes a secondary receiving coil connected in series and a secondary side parasitic capacitance C 2 , the secondary rec...

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Abstract

The invention discloses an SS-type single line electrical transmission system based on a self-excitation oscillation powder source. The SS-type single line electrical transmission system comprises theself-excitation oscillation powder source, a primary side resonator, a secondary side resonator, a single outward insulating wire and a load RL; the primary side resonator comprises a primary side transmitting coil and a primary side parasitic capacitor C1 which are in series connection, and the primary side transmitting coil comprises a primary side inductor L1 and a primary side coil internal resistor R1 which are in series connection; the secondary side resonator comprises a secondary side receiving coil and a secondary side parasitic capacitor C2 which are in series connection, and the secondary side receiving coil comprises a secondary side inductor L2 and a secondary side coil internal resistor R2 which are in series connection; the single outward insulating wire is connected with the primary side resonator and the secondary side resonator; the self-excitation oscillation powder source is connected with the primary side resonator, and the load RL is connected with the secondaryside resonator. The self-excitation oscillation powder source is utilized to supply power to the system, so that the system works at eigenfrequency, when the transmission distance and the load change,the frequency of the system can be automatically adjusted, and constant and high-level transmission efficiency is achieved.

Description

technical field [0001] The invention relates to the technical field of wireless power transmission, in particular to an SS single-wire power transmission system based on a self-excited oscillation power supply. Background technique [0002] So far, the main transmission method of electric energy is to transmit electric energy through metal wires, usually requiring two or more wires to provide transmission channels for conducting current. The traditional wired power transmission method not only requires a large number of metal wires and complicated wiring projects, but also has to ensure that the insulation between the metal wires is always in good condition. Once a fault such as a short circuit occurs, it will be damaged due to the action of the relay protection device. If the protection device fails, it may cause fire, explosion or electric shock. Moreover, this wired power transmission method also has safety problems such as exposed metal conductors, contact electric spar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J50/12
CPCH02J50/12
Inventor 张波疏许健刘功俊丘东元陈艳峰
Owner SOUTH CHINA UNIV OF TECH
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