Power Transformer Analytical Design Approaches (2007)
Conventional and reverse approaches to transformer design are presented in this paper. The first uses device ratings to determine the sizes of the core and windings. In the reverse approach, the physical characteristics and dimensions of the windings and core are the specifications. By manipulating the amount and type of material actually to be used in the construction of the transformer, its performance can be determined. Such an approach is essentially the opposite of the conventional transformer design method. Both design methods are applied to two sample high voltage transformers. The measured performances of the as-built transformers highlight the limitations in using the conventional method, which are overcome using the reverse approach.
CitationBodger, P.S., Bell, S.C. (2007) Power Transformer Analytical Design Approaches. Christchurch, New Zealand: Power Transformer Conference & Workshop, 2-3 Jul 2007.
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Power Transformer Design Using Magnetic Circuit Theory and Finite Element Analysis - A Comparison of Techniques Bell, S.C.; Bodger, P.S. (University of Canterbury. Electrical and Computer Engineering., 2007)This paper summarises a reverse method of transformer design where the construction details of the transformer are directly specified and are used to determine the device performance and ratings. Two magnetic models are ...
Bodger, P.S.; Enright, W.G.; Bendre, V.D.; Bell, S.C. (University of Canterbury. Electrical and Computer Engineering., 2008)Partial core transformers have different characteristics from full core transformers as the flux path is a combination of steel and air. They are also easier to fabricate, transport and assemble on site. A number of useful ...
Lynch, K.; Bodger, P.S.; Enright, W.; Bell, S. (University of Canterbury. Electrical and Computer Engineering., 2007)A high voltage partial core resonating transformer has been designed and constructed such that its magnetising current reactance is matched to the reactive current drawn by the capacitance of an arc-sign. The supply only ...