This chapter describes optimal characterization of composites and nanocomposites materials that handle traditional transformer cores to design transformer core materials. It attempts to offer new designs for new transformer cores to control the magnetization parameters. This chapter draws attention to theories and effective nanoparticle structure that tackle the characteristics of transformer cores. It further sheds light on the effects of nanoparticles on magnetization loss of transformer core by using individual and multiple magnetic nanocomposites. The forecasting and recommendations of the magnetic characterization are also presented for 1-phase and 3-phase transformer cores.
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The structure of magnetic materials is a fundamental parameter for specifying the magnetic characterization of the transformer core. This chapter displays upgrading magnetic characterization of transformer cores toward utilizing new nanotechnology techniques. The effective magnetic parameters of new magnetic nanocomposites materials for the transformer cores (single phase and three-phase) have been predicted, taking into account late hypothetical methodologies. In recent designs, the impacts of variant sorts and concentrations of magnetic multi-nanoparticles on charge loss of transformers cores have been mulled over regarding universal transformer cores. Ideal sorts and concentrations of nanoparticles have been characterized to controlling the reluctance and magnetization losses of transformer cores utilizing the multi-nanoparticles technique. A similar investigation has portrayed the industrial features for utilizing multi-nanoparticles against differentiate nanoparticles for transformers cores. The fundamental development of a transformer is moderately straightforward and delicately known; however, an incredible level of intricacy is included in the close subtle elements of operation, especially transformers for lower frequency rating that have magnetic core material. The core configuration permits tight coupling of the middle of elementary and secondary windings for voltages prompted in the windings, as stated by Faraday’s law. Although an appropriately stacked transformer might show high efficiency, few sorts of loss can be manifested, with two specifically figuring the vast majority prominently: (a) winding loss because of the resistance in the coils, and (b) core loss because of eddy current and hysteresis. The last sort of loss has verifiably been alleviated toward utilizing dainty electrical steel laminations as opposed to a solid core, for a metallurgical cosmetic of the electrical steel hosting a significantly expanded electrical resistance. Such laminations serve to decrease eddy current loss significantly (Martin, 2008). Hence, in order to decline the eddy current loss and total core loss, multi-layer silicon steel lamination for thinner sheets is broadly applied in electromagnetic equipment, such as power transformers and electrical machines. Therefore, examining magnetic properties of the silicon steels is signiðcant in order to decrease the core loss for electrical apparatus (Buswell, 2001; Li et al., 2016; Sievert, 2000).