Title :
Design and analysis of a low voltage regulation PM brushless DC generator
Author :
Wenjun Yu ; Zhuoran Zhang
Author_Institution :
Jiangsu Provincial Key Lab. of New Energy Generation & Power Conversion, Nanjing Univ. of Aeronaut. & Astronaut., Nanjing, China
Abstract :
In this paper, the main factors to influence the voltage regulation of a new permanent magnet (PM) brushless DC generator are investigated, and magnetic field analysis of the influence of magnet thickness and air-gap length to the voltage regulation is carried out based on finite element method (FEM). According to the conditions for low voltage regulation with resistive load, the methods of reducing the voltage regulation of a PM generator by designing the proper parameters of the machine are proposed. A low-voltage-regulation prototype PM generator is developed, and the experimental results are given to verify the validity of theoretical analysis and simulation results.
Keywords :
DC generators; air gaps; brushless machines; finite element analysis; load regulation; machine control; voltage control; FEM; air-gap length; finite element method; low voltage regulation PM brushless DC generator; magnet thickness; magnetic field analysis; permanent magnet; resistive load regulation; Magnetic analysis; Saturation magnetization; Stators; 12-phase BLDC; equivalent magnetic circuit method; saturated generator; voltage regulation;
Conference_Titel :
Electrical Machines and Systems (ICEMS), 2012 15th International Conference on
Conference_Location :
Sapporo
Print_ISBN :
978-1-4673-2327-7
