EP 3758031 A1 20201230 - ELECTRICAL TRANSFORMER WITH CONTROLLED DISTRIBUTION OF LEAKAGE INDUCTANCE
Title (en)
ELECTRICAL TRANSFORMER WITH CONTROLLED DISTRIBUTION OF LEAKAGE INDUCTANCE
Title (de)
ELEKTRISCHER TRANSFORMATOR MIT EINER KONTROLLIERTEN VERTEILUNG DER STREUINDUKTIVITÄT
Title (fr)
TRANSFORMATEUR ELECTRIQUE AYANT UNE REPARTITION D'INDUCTANCE DE FUITE CONTROLEE
Publication
Application
Priority
FR 1907024 A 20190627
Abstract (en)
[origin: CN112151250A] The invention relates to an electrical transformer and a method for manufacturing a transformer. The electrical transformer comprises a magnetic core and a primary coil forming a primary circuit and asecondary coil forming a secondary circuit. The electrical transformer is configured such that: a first inductance value L1so is measured on the primary circuit in the event that the secondary circuit is open, and a second inductance value L2so is measured on the secondary circuit in the event that the secondary circuit is open; a second inductance value L1ss is measured on the primary circuit inthe event of a short circuit of the secondary circuit, and a third inductance value L2po is measured on the secondary circuit in the event of an open circuit of the primary circuit, such that: wherein A is a real number greater than 10.
Abstract (fr)
La présente invention vise un transformateur électrique comprenant un noyau magnétique et un bobinage primaire, formant un circuit primaire, et un bobinage secondaire, formant un circuit secondaire, transformateur électrique configuré de sorte que :une première valeur L<sub>1so</sub> d'inductance mesurée au circuit primaire avec le circuit secondaire ouvert,une deuxième valeur L<sub>1ss</sub> d'inductance mesurée au circuit primaire avec le circuit secondaire court-circuité, etune troisième valeur L<sub>2po</sub> d'inductance mesurée au circuit secondaire avec le circuit primaire ouvert,sont telles que : L2PO−1n2LM<A.L1SO−LM avec LM=L1SO−L1SS×L1SO.N2 où A est un nombre réel supérieur à 10.
IPC 8 full level
H01F 27/34 (2006.01)
CPC (source: CN EP US)
H01F 27/24 (2013.01 - CN US); H01F 27/28 (2013.01 - CN US); H01F 27/34 (2013.01 - CN); H01F 27/346 (2013.01 - CN EP US); H01F 41/00 (2013.01 - CN); H01F 41/02 (2013.01 - CN US); H01F 41/04 (2013.01 - CN); Y02B 70/10 (2013.01 - EP)
Citation (search report)
- [XY] GB 2489532 A 20121003 - REDISEM LTD [CN]
- [Y] JP H0567536 A 19930319 - YOKOGAWA ELECTRIC CORP
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 3758031 A1 20201230; CN 112151250 A 20201229; FR 3098002 A1 20210101; FR 3098002 B1 20210716; US 2020411234 A1 20201231
DOCDB simple family (application)
EP 20176687 A 20200527; CN 202010586884 A 20200624; FR 1907024 A 20190627; US 202016910581 A 20200624