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Which constraint limits maximum power transfer in three-phase distribution transformers during peak demand?

A)Core saturation from magnetizing current
B)Skin effect increasing winding resistance
C)Hysteresis losses generating excessive heat
D)Leakage reactance causing voltage regulation

💡 Explanation

When demand peaks, magnetizing current increases, leading to core saturation because high flux density limits further magnetization. Therefore, core saturation becomes limiting, rather than skin effect, hysteresis loss, or leakage reactance which are relatively constant aspects of transformer's behavior.

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