高速旋轉(zhuǎn)裝置氣隙功率傳輸技術(shù)研究
[Abstract]:The air gap power transmission technology of high speed rotating device is the comprehensive application of power electronics, electromagnetic coupling, high frequency inverter and so on. The application of this technology makes the system more secure, reliable and flexible. Rotating air gap power transmission technology has been widely used in many fields, such as aerospace satellites, new energy sources, submarine resource exploration and so on. In this paper, some key technologies in the existing air gap power transmission system of rotary devices are studied. Firstly, the principle, research status and development trend of rotary air gap power transmission are introduced. The composition of rotary air-gap power transmission system is analyzed, the design and application criteria of air-gap power transmission system are discussed, and the mutual inductance equivalent circuit model of coupling link is introduced. Secondly, based on the analysis of the system composition, the magnetic circuit and the circuit of the system are analyzed for the purpose of improving the transmission efficiency and power respectively, and the structure and materials of the coupling frequency and air-gap power coupling device are determined. The primary winding current is analyzed and a suitable and practical circuit topology compensation structure is proposed. Thirdly, based on the analysis of the system magnetic circuit and circuit, the coupling link structure of the system is designed, the constraint conditions of the system coupling link are determined, and the electromagnetic analysis is carried out. After that, Autocad is used to build the two-dimensional model, and the structure of two-dimensional electromagnetic field analysis is improved. Finally, on the basis of the above analysis, the circuit is designed, including rectifier circuit, drive circuit and oscillating circuit, and the single-end flyback coupling circuit is used, and switch components and clock chips are selected. By analyzing the magnetization current working state of the circuit and combining the simulation results, the circuit is improved. In this paper, the air-gap coupled power transmission technology is introduced to the rotary interface, and the previous basic research work is carried out, which provides the basis and preliminary design experience for the future development of the technology.
【學(xué)位授予單位】:鄭州大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2012
【分類號】:TH232
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