Hybrid Analytical Model Coupling Laplace’s Equation and Reluctance Network for Electrical Machines

This paper presents a hybrid magnetic model combining reluctance network and Laplace's equation resolution using magnetic vector potential in the air gap. The coupling of the two models is performed by introducing fictive equivalent magnetomotive forces in the air gap. The model is applied to the study of dc machines used as a starter in automotive application. Good results are obtained compared with finite-element model and experimental measurements.