More Electric Aircraft Electrical System

It is significant for the study of the more electric aircraft(MEA), just because more electric aircraft is the important feature of the next advanced fight airplane. However, as the nerve and blood vessel of the aircraft, electrical power system is crucial to the security and quality of the plane. Thus, studying for electrical power system is a key process in the whole study.At first, the dissertation generalizes the more electric aircraft, such as the conception key technologies and study status in the foreign .According to the characteristic of electrical power system, the dissertation particularly analyses the requirements of the system. On the basis of the analysis, it establishes the whole scheme of distribution system. Besides, the detail distribution layout is presented, which concludes the design of the baseline,ELMC and the mode of distribution etc. At last, in order to guarantee the reliability and fault tolerance, being based upon troubleshooting ,the dissertation analyses the system by use of the fault tree analysis.The study is the beginning of the predictive item, it has deeply effect on the whole item. It is the base of the detail design of electrical power system and development of prototype airplane.