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Session 3433

Design and Analysis of Single-Phase Power Transformers for Undergraduate Engineering Students

Ahmed Rubaai, Mohamed Chouikha, Donatus Cobbinah and Abdul Ofoli

Electrical and Computer Engineering Department Howard University 2300 6th Street, Northwest Washington, DC 20059

Abstract

This paper describes a method for design optimization of single-phase power transformers using an interactive PC-based computer program. The computer program is developed in house and in close cooperation with industrial users. A procedure is developed to illustrate the effect of parameter variation on the design of transformers in order to achieve minimum cost of production. The procedure illustrates that there are many possible designs within a very small increment of cost. The objective is to assist undergraduate students to understand the design process: determining the efficiency, size, weight and cost of actual transformers, while meeting multiple transformer specifications.

1. Introduction

Most technical papers on computer-aided design of power transformers utilize optimization routines which guide the choice of the independent variables to optimize a design [1-3]. Thus, the computer program regulates the design skill and isolates the student from the design process. In these approaches, the initial estimates are introduced in the computer and the computer automatically achieves a design which meets all specifications, regardless of any error in the initial estimates. In this manner, the judgment of the student does not affect the success and the quality of the design, but only the computer time and expense. A testing experiment is described in a fourth paper [4], in which students design, build and test a simple single-phase transformer that used in many textbooks to specifications provided by the instructor. However, it does not appear to be a design experience in the classical design principles. In addition, students cannot actually simulate and analyze the performance of the design.

“Proceedings of the 2004 American Society for Engineering Education Annual Conference & Exposition Copyright © 2004, American Society for Engineering Education”

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Rubaai, A. (2004, June), Design And Analysis Of Single Phase Power Transformers For Undergraduate Engineering Students Paper presented at 2004 Annual Conference, Salt Lake City, Utah. 10.18260/1-2--12818