Fast Method for Analyzing 3D Electromagnetic Problems in Electrical Devices Based on POD

Modeling and simulation play a crucial role in the modern design, optimization, and validation of electronic and electrical industrial applications. For three-dimensional electromagnetic problems, finite element (FE) simulation requires a significant amount of time and computational resources due to the complexity of the physical models. This paper presents a model order reduction (MOR) method based on proper orthogonal decomposition (POD) for fast simulation of these problems in the time domain. We validate the proposed method using TEAM problem 7 and a three-phase transformer, and the results demonstrate that the POD model produces simulation results that are highly comparable to the full model, while significantly reduces the computational time.

I. Introduction

As an effective virtual experiment, numerical simulation is a critical aspect of the electrical equipment design and manufacturing process. By simulating the performance of equipment under different operating conditions, potential problems can be identified and resolved within a shorter period of time, reducing design costs and time, and shortening the research and development cycle.