高速旋转装置气隙功率传输技术研究

发布时间：2018-08-12 20:50

【摘要】：高速旋转装置气隙功率传输技术是电力电子、电磁耦合、高频逆变等技术的综合运用,该技术的应用使系统更加安全,可靠,灵活。旋转气隙功率传输技术在很多领域都有广泛的应用,如宇航卫星、新能源、海底资源勘探等。本文针对现有旋转装置气隙功率传输系统中的一些关键技术进行了研究。首先,介绍了旋转气隙功率传输的原理,研究现状以及发展趋势。对旋转气隙功率传输系统的组成进行分析,讨论气隙功率传输系统的设计和应用准则,介绍耦合环节的互感等效电路模型。其次,在系统组成分析基础上,围绕提高传输效率和传输功率的目的,分别对系统磁路和系统电路进行分析；确定了耦合频率和气隙功率耦合装置的结构以及材料；分析了原边绕组电流,提出合适且实用的电路拓扑补偿结构。再次,在完成系统磁路和电路分析的基础上,设计了系统的耦合环节结构,确定系统耦合环节的约束条件,并进行电磁分析。之后,使用Autocad建立其二维模型,并进行二维电磁场分析改进设计结构。最后,在以上分析的基础上进行电路设计,包括整流电路、驱动电路和振荡电路,并确定使用单端反激耦合电路,且选择开关元器件和时钟芯片。通过对电路的磁化电流工作状态分析,并结合仿真结果,对该电路进行了改进。本课题把气隙耦合功率传输技术引入到旋转界面,并进行了前期基础研究工作,为今后该技术发展提供了基础和初步设计经验。
[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.
【学位授予单位】：郑州大学
【学位级别】：硕士
【学位授予年份】：2012
【分类号】：TH232

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