Transformer insulation modification
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United States of America Patent
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Mar 26, 2024
Grant Date -
Dec 2, 2021
app pub date -
May 27, 2021
filing date -
May 27, 2021
priority date (Note) -
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Abstract
A three-phase transformer including a transformer housing, a shell-form five-limb transformer core wherein main limbs include two outer main limbs and a middle main limb, three coil arrangements including two outer coil arrangements each arranged around a respective one of the outer main limbs, and a middle coil arrangement arranged around the middle main limb. The outer coil arrangements have an inter-coil insulation configured to electrically insulate the coil arrangements from the transformer housing and from the respective other ones of the coil arrangements, and wherein no inter-coil insulation is provided to the middle coil arrangement.
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