In this thesis, the parametrization of the magnetic circuit of a single-phase transformer is presented. The existing parametric model was upgraded by adding the missing parameters and defining the required relationships between them. Based on these improvements, the remaining components that constitute the structure of the parametric model were also reviewed and modified accordingly. By comparing the parameters with those of the current, validated, and reliable three-phase base model, the parametric basis of the single-phase magnetic circuit was redesigned to achieve the greatest possible consistency between the two models while keeping differences to a minimum. This enables a simpler and more uniform design process. The upgraded basis was tested in a project, where the identified errors were examined, and the time required to construct single-phase magnetic circuits was analyzed and compared with that in previous years.
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