Field-circuit optimum combination for permanent magnet machine design and analysis

Abstract

This paper presents a new concept of permanent magnets (PM) machine design. The model, which combines both the finite element method and magnetic circuit equations, takes the power converter control, magnetic saturation of the iron part and the size of the PM material into account. The model is suitable for all kinds of structures of PM machine. The paper describes the optimization techniques and shows the graphs of the machine's performance. The test results of a prototype machine and a comparison with simulation results are also given.