This review addresses the modeling approaches for heat transfer processes in oil-immersed
transformer. Electromagnetic, thermal, and hydrodynamic thermal fields are identified as the …

In the newest edition, the reader will learn the basics of transformer design, starting from
fundamental principles and ending with advanced model simulations. The electrical …

The valve‐side bushing of the UHV converter transformer is the key equipment in the DC
transmission project, and its running state directly affects the security and stability of the …

针对换流站变压器阀侧套管现场缺乏有效手段对其内部状态进行检测评估,
建立了换流变阀侧套管数字孪生模型, 并基于该模型确定了换流变阀侧套管内部缺陷下的热分布 …

This paper investigates the action of eddy current on tank vibration. Sound pressure level
(SPL) is measured in situations where the winding is covered with an empty tank and …

Successful analytical formulas have been previously proposed to calculate the losses in
tank regions of transformers assuming linear permeabilities in the analyzed boundary …

The presence of harmonics in the load current considerably increases stray losses in electric
transformers. In this research paper, a new model for computing the electromagnetic field …

Analytical formulae are widely applied in transformer design due to their easy
implementation and low demand of computational resources. One of the great challenges in …

At present it is claimed that all electrical energy systems operate with high values of
efficiency and reliability. In electric power systems (EPS), electrical power and distribution …

The primary objective of evaluation of eddy-current losses is to provide a guide for optimized
design of tractive transformer. It is not sensible to directly create the detailed laminations of a …