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US 2022/0093326 A1Published application
Stationary Induction Apparatus
AssigneeMitsubishi Electric Corporation
InventorsRyuichi NISHIURA, Kazuaki AONO
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Abstract
A plurality of magnetic shields are arranged to be aligned in an axial direction with a gap there between. Each of a plurality of magnetic shields is formed with a plurality of electromagnetic steel plates stacked in a direction vertical to each of the axial direction and a normal direction to a shield support surface. The shortest spacing distance between each of a plurality of magnetic shields and a support is twice or more the length of the gap between magnetic shields adjacent to each other in a plurality of magnetic shields.
Claims8
A stationary induction apparatus comprising:
- a core;
- a winding wound around the core as a center axis;
- a support formed of a nonmagnetic material, the support extending between the winding and the core in an axial direction of the center axis and supporting the core;
- and
- a plurality of magnetic shields positioned between the winding and the support on an opposite side to a side closer to the core of the support, wherein
- the support has a shield support surface positioned on the opposite side to the side closer to the core,
- on the shield support surface, a plurality of fixing portions are provided to be spaced apart from each other in the axial direction, the fixing portions fixing each of the magnetic shields,
- each of the fixing portions is formed of a nonmagnetic material,
- the magnetic shields are arranged to be aligned in the axial direction with a gap therebetween, and each of the magnetic shields is formed with a plurality of electromagnetic steel plates stacked in a direction vertical to each of the axial direction and a normal direction to the shield support surface, and
- a shortest spacing distance between each of the magnetic shields and the support is twice or more a length of the gap between magnetic shields adjacent to each other in the magnetic shields.
7 more elements
Dependencies are inferred from the claim text.