3D Magnetic Field and Temperature Rise Analysis of Dry-Type Transformer Based on Finite Element Method

Abstract

Dry-type transformer is a high electric strength, high mechanical strength and high heat intensity transformer. With the acceleration of our city and countryside grid construction and the energy saving requirement in power industry, the application of dry-type transformer is expanding. Also, society proposes a higher standard in dry-type transformer. To improve its working capacity and reduce power loss further, we need to analyses its inner working conditions. This thesis uses finite element software ANSYS to build a model of dry-type transformer and gets its power loss and temperature distribution under different working capacity. After comparing this simulation results with experimental results, the accuracy of simulation method is proved. This simulation provides a structure optimization method of dry-type transformer. It can reduce design cycle and cost, help to spread the application of dry-type transformer.