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Copper or Aluminum ? How do you select winding material for a PFC Detuned Reactors ?
There is a common misconception that transformer/reactors with copper winding are more efficient, more reliable, or have higher short circuit strength compared to a transformer/reactor with aluminum winding.
However, improvements in technology regarding the use of aluminum in transformer/reactors have made aluminum-wound transformers equally efficient and reliable, with greater short circuit strength when compared with copper wound transformers/reactors.