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1. WO2022253918 - FORCED CONVECTION COOLING FOR MEDIUM FREQUENCY TRANSFORMERS INSIDE MEDIUM VOLTAGE CONVERTER CABINETS

Publication Number WO/2022/253918
Publication Date 08.12.2022
International Application No. PCT/EP2022/064963
International Filing Date 01.06.2022
IPC
H01F 27/08 2006.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
27Details of transformers or inductances, in general
08Cooling; Ventilating
H01F 27/02 2006.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
27Details of transformers or inductances, in general
02Casings
H01F 27/12 2006.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
27Details of transformers or inductances, in general
08Cooling; Ventilating
10Liquid cooling
12Oil cooling
CPC
H01F 27/025
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
27Details of transformers or inductances, in general
02Casings
025Constructional details relating to cooling
H01F 27/085
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
27Details of transformers or inductances, in general
08Cooling
085Cooling by ambient air
H01F 27/12
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
27Details of transformers or inductances, in general
08Cooling
10Liquid cooling
12Oil cooling
Applicants
  • ABB SCHWEIZ AG [CH]/[CH]
Inventors
  • DROFENIK, Uwe
Agents
  • ZIMMERMANN & PARTNER PATENTANWÄLTE MBB
Priority Data
21177413.802.06.2021EP
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) FORCED CONVECTION COOLING FOR MEDIUM FREQUENCY TRANSFORMERS INSIDE MEDIUM VOLTAGE CONVERTER CABINETS
(FR) REFROIDISSEMENT PAR CONVECTION FORCÉE POUR TRANSFORMATEURS DE MOYENNE FRÉQUENCE À L'INTÉRIEUR D'ARMOIRES DE CONVERTISSEUR MOYENNE TENSION
Abstract
(EN) A transformer arrangement (100) comprising: a plurality (102) of stacked transformers, each transformer (101) including a transformer core (104), a first winding (106) wound around the transformer core, a second winding (108), a spatial gap (110) configured to allow a cooling of the transformer by a coolant fluid flowing in the spatial gap; a support structure (120) supporting the transformers in the plurality of stacked transformers; wherein the support structure (120) and the spatial gaps of the transformers in the plurality of stacked transformers are configured to form a cooling duct (130) for the coolant fluid.
(FR) L'invention concerne un agencement de transformateur (100) comprenant : une pluralité (102) de transformateurs empilés, chaque transformateur (101) comprenant un noyau de transformateur (104), un premier enroulement (106) enroulé autour du noyau de transformateur, un second enroulement (108), un espace spatial (110) configuré pour permettre un refroidissement du transformateur par un fluide de refroidissement s'écoulant dans l'espace spatial ; une structure de support (120) supportant les transformateurs dans la pluralité de transformateurs empilés ; la structure de support (120) et les espaces spatiaux des transformateurs dans la pluralité de transformateurs empilés étant configurés pour former un conduit de refroidissement (130) pour le fluide de refroidissement.
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