Dynamical oil-immersed transformer thermal control model based on thermal-electrical analogy and its analytical solution using laplace transform

Author

Shuping Dang ; Yubo Sun ; Baker, L. ; Gholamzadeh, Amin

Author_Institution

Sch. of Electr. & Electron. Eng., Univ. of Manchester, Manchester, UK

fYear

2014

fDate

10-12 May 2014

Firstpage

241

Lastpage

244

Abstract

The oil-immersed transformer is commonly used in modern electrical power systems, and it is also a crucial component in smart grids related to power efficiency and quality. Because of its complex electromagnetic characteristics, it is not viable to establish its thermal control model simply by conventional approaches, such as thermal balance, specific heat capacity and thermal field. In this paper, a dynamic thermal control model dependent on modern control theories, especially thermal-electrical analogy, will be presented. Plus, its mathematical model will be developed and explained step by step.

Keywords

Laplace transforms; power transformer insulation; specific heat; temperature control; transformer oil; Laplace transform; complex electromagnetic characteristics; dynamic thermal control model; dynamical oil-immersed transformer; electrical power systems; mathematical model; power efficiency; power quality; smart grids; specific heat capacity; thermal balance; thermal field; thermal-electrical analogy; Equations; Mathematical model; Oil insulation; Power transformers; Predictive models; Thermal analysis; Thermal resistance; Laplace Transform; Oil-immersed Transformer; Thermal Control Model; Thermal-Electrical Analogy;

fLanguage

English

Publisher

ieee

Conference_Titel

Environment and Electrical Engineering (EEEIC), 2014 14th International Conference on

Conference_Location

Krakow

Print_ISBN

978-1-4799-4661-7

Type

conf

DOI

10.1109/EEEIC.2014.6835871

Filename

6835871