A specifications-oriented initial design methodology for power transformers

Power transformers are classified among the most crucial power system components. Currently, the power transformer international competitive market drives manufacturers to adopt design strategies that lead to cost minimization while maintaining performance quality. Obviously, most of the aforementioned strategies rely on precise computation techniques involving electromagnetic field aspects for calculated refinements. In all cases, rough design detail estimation is indispensable to initiate the design refinement process and, in some cases, to address price quotation requests. This paper presents a fast specifications-oriented initial design methodology. Although the proposed methodology is analytical in nature it implicitly incorporates design parameter restrictions inferred from more sophisticated studies. Details of the proposed methodology in addition to a couple of design case studies are given in the paper.