Magnetic field analysis method of magnetic resonance type wireless power supply technology in high-voltage electric power circuit monitoring
A technology of wireless power supply and high-voltage power, which is applied to circuit devices, electrical components, electrical digital data processing, etc., and can solve problems such as long simulation time and inability to perform simulation
Active Publication Date: 2018-04-13
WUHAN UNIV
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For finite element simulation, if a higher solution accuracy is required, a finer mesh division is required. If the solution area is large at this time, the simulation time will be longer, and even the simulation cannot be performed.
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[0034] In order to facilitate those of ordinary skill in the art to understand and implement the present invention, the present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the implementation examples described here are only used to illustrate and explain the present invention, and are not intended to limit this invention.
[0035] Step 1: Design the overall structure of the wireless power supply device for the online monitoring terminal of the high-voltage line, and build the module design model of the wireless power supply device for the online monitoring terminal of the high-voltage line. The overall structure of the wireless power supply device for the online monitoring terminal of the high-voltage line is as follows: figure 1 shown. Its architecture mainly includes three parts: high-voltage power-taking device, high-frequency energy transmitting device, and high-frequency e...
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The invention discloses a magnetic field analysis method of a magnetic resonance type wireless power supply technology in a high-voltage electric power circuit monitoring. The method comprises the following steps of: designing a high-voltage line online monitoring terminal wireless power supply device overall structure, constructing a high-voltage line online monitoring terminal wireless power supply device module, establishing a cylindrical coordinate system on the basis of an axial isometric single-layer densely packed coil so as to carry out distribution calculation on a transmission-end magnetic field, establishing a 1: 1 simulation model to solve distribution of magnetic fields around a wireless power supply device, calculating an overall integrated magnetic field, calculating an alternating-current magnetic field, and constructing an experimental platform to carry out verification. Compared with conventional electromagnetic calculation simulation software Ansoft Maxwell, the method provided by the invention is high in solution speed and has approximate calculation precision. By utilizing the method, common computers can carry out complicated electromagnetic calculation, so that significance is provided for design optimization of high-voltage wireless power supply devices and electromagnetic safety thereof.
Description
technical field [0001] The invention relates to wireless energy transmission technology, in particular to a magnetic field analysis method for magnetic resonance wireless power supply in high-voltage power line monitoring. Background technique [0002] The goal of high-voltage power transmission is to transmit power over medium and long distances, and to build a joint power system through the interconnection between long-distance systems. In order to save the area of cultivated land, most transmission lines have to withstand the test of various harsh operating environments, and power line inspection is very difficult. Therefore, on the high-voltage transmission line, most of the systems composed of multiple composite technologies such as online monitoring technology and live detection technology status monitoring are used as supplements instead of manpower to monitor the line, so as to detect potential accidents early and eliminate them in time, so that they can be maintai...
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IPC IPC(8): G06F17/50H02J50/12G06Q50/06
CPCG06Q50/06G06F30/23H02J50/12Y02E60/00
Inventor 周洪蒋燕高星冉罗语婷胡文山陈诚邓其军张兴豪
Owner WUHAN UNIV