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Simulation study demonstrates amorphous metals reduce energy losses but increase core diameter by 14% to 20% over CRGO in distribution transformers, indicating physical footprint trade-offs.
The use of transformers is vital in an electrical power system as they are expensive to acquire and maintain, which influences their lifecycle. This paper discusses the effect of material selection on the diameter of the core after giving a comparative study of the core geometry. Using MATLAB based mathematical modeling, the author analyzed the relationship between flux density, volt per turn of the two types of metals producing energy in the core. The benchmark of the simulation was set to be 100 kVA distribution transformer. The findings of the research showed that while Amorphous metals significantly decrease the loss of energy in the core, they're bigger in diameters (14-20% more than CRGO) because they have lower limits of magnetic saturation and stacking factors of the core.
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Yadav et al. (2026) studied this question.
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