Title:
STATIONARY INDUCTION APPARATUS COIL
Document Type and Number:
Japanese Patent JP2023014662
Kind Code:
A
Abstract:
To effectively prevent a clearance from being formed between inter-layer unwoven fabrics in a configuration that a step-up part or lead wire of an insulation electric wire is disposed in a notched portion formed in the inter-layer unwoven fabric.SOLUTION: A stationary induction apparatus coil according to an embodiment is configured by including a plurality of winding layers each of which is formed by cylindrically winding an insulation electric wire, from the inside to the outside while disposing an inter-layer unwoven fabric between the layers and by providing a cooling duct between the inner and outer winding layers. A step-up part or a lead wire of the insulation electric wire to the next winding layer is disposed in a notched portion formed in the inter-layer unwoven fabric, and an unwoven fabric support made of an insulation material for preventing a peripheral part of the notch from falling toward the duct is provided on inner and outer peripheral surfaces of the notched portion in the inter-layer unwoven fabric.SELECTED DRAWING: Figure 1
Inventors:
NAKAMAE TETSUO
MAEDA TERUHIKO
OZAKI TAMON
OYAMA KIMIHARU
SHIMA YUUSUKE
SHIROJO MASAYUKI
MAEDA TERUHIKO
OZAKI TAMON
OYAMA KIMIHARU
SHIMA YUUSUKE
SHIROJO MASAYUKI
Application Number:
JP2021118734A
Publication Date:
January 31, 2023
Filing Date:
July 19, 2021
Export Citation:
Assignee:
TOSHIBA INFRASTRUCTURE SYSTEMS & SOLUTIONS CORP
TOSHIBA IND PRODUCTS & SYSTEMS CORP
TOSHIBA IND PRODUCTS & SYSTEMS CORP
International Classes:
H01F30/10; H01F5/06; H01F27/28; H01F27/32; H01F41/12
Attorney, Agent or Firm:
Patent Attorney Corporation Sato