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1. WO1997024736 - TRANSFORMER WITH SUPERCONDUCTING WINDINGS

Publication Number WO/1997/024736
Publication Date 10.07.1997
International Application No. PCT/SE1996/001625
International Filing Date 10.12.1996
Chapter 2 Demand Filed 28.04.1997
IPC
H01F 27/36 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
27Details of transformers or inductances, in general
34Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
36Electric or magnetic shields or screens
H01F 36/00 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
36Transformers with superconductive windings or with windings operating at cryogenic temperatures
CPC
H01F 27/36
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
27Details of transformers or inductances, in general
34Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
36Electric or magnetic shields or screens
H01F 36/00
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
36Transformers with superconductive windings or with windings operating at cryogenic temperature
Y02E 40/60
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
40Technologies for an efficient electrical power generation, transmission or distribution
60Superconducting electric elements or equipment; Power systems integrating superconducting elements or equipment
Applicants
  • ASEA BROWN BOVERI AB [SE]/[SE] (AllExceptUS)
  • HÖRNFELDT, Sven [SE]/[SE] (UsOnly)
Inventors
  • HÖRNFELDT, Sven
Agents
  • LUNDBLAD VANNESJÖ, Katarina
Priority Data
9504650-427.12.1995SE
Publication Language English (EN)
Filing Language Swedish (SV)
Designated States
Title
(EN) TRANSFORMER WITH SUPERCONDUCTING WINDINGS
(FR) TRANSFORMATEUR AVEC DES ENROULEMENTS SUPRACONDUCTEURS
Abstract
(EN)
The present invention relates to a transformer with superconducting primary and secondary windings (1, 2), concentrically wound around a core limb (3), between which windings there is a concentric tubular space, the main channel, with insulation material (10) for insulation between the two windings. Cylindrical screens (11, 12) of a magnetic material with a high relative permeability are concentrically introduced into the insulation material at the two ends of the main channel.
(FR)
L'invention concerne un transformateur avec des enroulements supraconducteurs, primaire et secondaire (1, 2), enroulés concentriquement autour d'un segment (3) de noyau. Entre ces enroulements est situé un espace concentrique tubulaire, ou canal principal, avec un matériau isolant (10) pour assurer l'isolation entre les deux enroulements. Des écrans cylindriques (11, 12) en matériau magnétique avec une perméabilité relative élevée sont introduits concentriquement dans le matériau isolant aux deux extrémités du canal principal.
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