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Improved air gap permeance model to characterise the transient behaviour of electrical machines using magnetic equivalent circuit method
International Journal of Numerical Modelling: Electronic Networks, Devices and Fields ( IF 1.6 ) Pub Date : 2020-04-20 , DOI: 10.1002/jnm.2749
Jonas Lannoo 1 , Dries Vanoost 1 , Joan Peuteman 1 , Stijn Debruyne 2 , Herbert De Gersem 3 , Davy Pissoort 1
Affiliation  

Transient analysis of electrical machines with mixed eccentricity requires dedicated, fast and accurate solvers. This article proposes an improved air gap permeance expression which (a) is physically interpretable and (b) can be easily derived based on the rotor position. This expression is very suitable for inclusion in a solver based on the magnetic equivalent circuit (MEC) method. This allows to for example, calculate the torque and forces when vibrations act on the rotor. The results of the MEC solver agree very well with those obtained with a finite element method (FEM) solver, but are obtained with a fraction of the simulation time of the FEM solver.

中文翻译:

改进的气隙磁导模型,利用磁等效电路方法表征电机的瞬态行为

具有混合偏心率的电机的瞬态分析需要专用,快速和准确的求解器。本文提出了一种改进的气隙磁导率表达式,该表达式可(a)在物理上可以解释,并且(b)可以根据转子位置轻松得出。该表达式非常适合包含在基于磁等效电路(MEC)方法的求解器中。例如,这允许计算当振动作用在转子上时的转矩和力。MEC求解器的结果与用有限元方法(FEM)求解器获得的结果非常吻合,但是用FEM求解器的仿真时间的一小部分即可获得。
更新日期:2020-04-20
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