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1. (FR3001830) Hermetically oil filled transformer, has plates including teeth penetrating between fins, and side and front clearances separating plates from fins, where clearances have values lower than deformation values in free state of fins

특허청 : 프랑스
출원번호: 1350948 출원일: 04.02.2013
공개번호: 3001830 공개일: 08.08.2014
특허번호: 특허부여일: 20.03.2015
공개유형: B1
IPC:
H01F 27/14
H SECTION H — 전기
01
기본적 전기소자
F
자석; 인덕턴스(Inductance); 변성기; 자기특성을 위한 재료의 선택
27
일반적인 변성기 또는 인덕턴스의 세부
08
냉각; 환기(Ventilating)
10
액체냉각
12
유 냉각
14
팽창실; 오일 콘서베이터(oil conservators); 가스쿠션(gas cushions); 청정건조충전을 위한 장치
CPC:
H01F 27/025
H01F 27/12
출원인: SCHNEIDER ELECTRIC IND SAS
발명자: FAUCHART BENOIT
LAGACHE PIERRE
PERQUIN REGIS
WALTER FREDERIC
RANALETTA GIANLUCA
우선권 정보 1350948 04.02.2013 FR
발명의 명칭: (EN) Hermetically oil filled transformer, has plates including teeth penetrating between fins, and side and front clearances separating plates from fins, where clearances have values lower than deformation values in free state of fins
(FR) TRANSFORMATEUR A CUVE EMPLIE D'HUILE ET MUNIE D'AILETTES DE REFROIDISSEMENT
요약서: front page image
(EN) The transformer has an external tank (1) delimiting a closed volume filled with oil. The tank includes vertical cooling fins (2), and the closed volume includes cavities located in the fins. Plates (3) in the shape of combs are set around the tank and include teeth penetrating between the fins. Side and front clearances separate the plates from the fins. The clearances have values lower than deformation values in free state of the fins subjected to a constraint greater than yield strength of the material. The teeth include central recesses.
(FR) Autour de la cuve d'un transformateur (1) s'étendent des ceintures (4) formées de peignes (3) dont des dents s'étendent entre les ailettes de refroidissement (2). Les largeurs des dents sont déterminées de manière à tolérer seulement un renflement limité des ailettes (2) quand le volume intérieur de la cuve est soumis à une forte suppression, afin de limiter les déformations des ailettes (2) dans le domaine élastique et d'éviter ainsi des dommages définitifs aux transformateurs. Application aux transformateurs entièrement emplis d'huile.