BE743637A - - Google Patents

Info

Publication number: BE743637A
Authority: BE; Belgium

Application number

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1968-12-30

Filing date

1969-12-23

Publication date

1970-05-28

1969-12-23 Application filed filed Critical

1970-05-28 Publication of BE743637A publication Critical patent/BE743637A/xx

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/245—Magnetic cores made from sheets, e.g. grain-oriented

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Transformers For Measuring Instruments (AREA)
Coils Of Transformers For General Uses (AREA)
Coils Or Transformers For Communication (AREA)

BE743637D 1968-12-30 1969-12-23 BE743637A (xx)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US78786368A	1968-12-30	1968-12-30

Publications (1)

Publication Number	Publication Date
BE743637A true BE743637A (xx)	1970-05-28

Family

ID=25142750

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE743637D BE743637A (xx)	1968-12-30	1969-12-23

Country Status (5)

Country	Link
US (1)	US3509507A (xx)
BE (1)	BE743637A (xx)
ES (1)	ES374678A1 (xx)
FR (1)	FR2027376B1 (xx)
GB (1)	GB1283238A (xx)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3624499A (en) *	1970-09-29	1971-11-30	Westinghouse Electric Corp	Electrical transformer with zero sequence voltage indicator
US4176333A (en) *	1978-06-12	1979-11-27	Westinghouse Electric Corp.	Magnetic core for single phase electrical inductive apparatus
US4493016A (en) *	1982-10-07	1985-01-08	Westinghouse Electric Corp.	Rectifier transformer
US5959523A (en) *	1996-10-15	1999-09-28	Abb Power T&D Company Inc.	Magnetic core structure
SE525698C2 (sv) *	2003-06-27	2005-04-05	Forskarpatent I Syd Ab	Transformator med skydd mot likströmsmagnetisering förorsakad av nollföljdsström
SE527406C2 (sv) *	2004-05-10	2006-02-28	Forskarpatent I Syd Ab	Förfarande och DC-avledare för skydd av kraftsystem mot geomagnetiskt inducerade strömmar
US7378754B2 (en) *	2006-05-09	2008-05-27	Mte Corporation	Three-phase harmonic reduction filter for bidirectional power converters
TWI320935B (en) *	2006-11-22	2010-02-21	Delta Electronics Inc	Structure of magnetic device and magnetic core assembly capable of reducing winding loss
CN101192462B (zh) *	2006-11-28	2011-11-02	台达电子工业股份有限公司	降低铜损的磁性组件结构及其磁芯组件
US7764041B2 (en) *	2007-01-22	2010-07-27	Johnson Controls Technology Company	System and method to extend synchronous operation of an active converter in a variable speed drive
GB2493772B (en) *	2011-08-18	2014-01-01	Gridon Ltd	Fault current limiter
CN215342259U (zh) *	2021-07-27	2021-12-28	吴江变压器有限公司	一种带有二次绕组的接地变压器

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB191116907A (en) *	1910-11-29	1912-02-22	Siemens Brothers Dynamo Works	Improvements in or relating to Earthing Devices for Electrical Circuits.
FR483419A (fr) *	1915-11-22	1917-07-04	Brown	Transformateur polyphasé ou bobine de réaction polyphasée avec point neutre à la terre
FR548153A (xx) *	1921-02-17	1923-01-09
FR1499627A (fr) *	1966-11-05	1967-10-27	Nautchno Izsledovatelski Pk I	Transformateur monophasé à quatre noyaux pour le réglage de la tension

1968
- 1968-12-30 US US787863A patent/US3509507A/en not_active Expired - Lifetime
1969
- 1969-12-11 GB GB60449/69A patent/GB1283238A/en not_active Expired
- 1969-12-18 ES ES374678A patent/ES374678A1/es not_active Expired
- 1969-12-23 BE BE743637D patent/BE743637A/xx not_active IP Right Cessation
- 1969-12-30 FR FR6945425A patent/FR2027376B1/fr not_active Expired

Also Published As

Publication number	Publication date
FR2027376B1 (xx)	1973-11-16
FR2027376A1 (xx)	1970-09-25
US3509507A (en)	1970-04-28
ES374678A1 (es)	1972-04-01
GB1283238A (en)	1972-07-26

Publication	Publication Date	Title
AU1946070A (xx)	1972-05-09
AU5506869A (xx)	1970-11-26
AU2374870A (xx)	1972-06-29
AU5184069A (xx)	1970-07-17
FR2027376B1 (xx)	1973-11-16
AU6168869A (xx)	1971-04-08
AU6171569A (xx)	1971-04-08
AU2952567A (xx)	1970-05-14
AU2581067A (xx)	1970-02-19
AU4811568A (xx)	1974-08-01
AU2580267A (xx)	1970-02-05
AR203075Q (xx)	1975-08-14
BE709435A (xx)	1968-07-16
BE709095A (xx)	1968-07-09
BE723144A (xx)	1969-04-01
BE722309A (xx)	1969-04-14
BE721078A (xx)	1969-03-03
BE716508A (xx)	1968-11-04
BE715261A (xx)	1968-10-16
BE709496A (xx)	1968-07-17
BE709484A (xx)	1968-05-30
BE709479A (xx)	1968-07-17
BE709446A (xx)	1968-05-30
BE724555A (xx)	1969-05-28
BE709415A (xx)	1968-05-30

Legal Events

Date	Code	Title	Description
1988-06-30	RE	Patent lapsed	Owner name: WESTINGHOUSE ELECTRIC CORP. Effective date: 19871231

Date

Code

Title

Description

1988-06-30

Patent lapsed

Owner name: WESTINGHOUSE ELECTRIC CORP.

Effective date: 19871231