GB2283864B - Distribution transformers - Google Patents

Distribution transformers

Info

Publication number: GB2283864B
Authority: GB; United Kingdom
Prior art keywords: distribution transformers; transformers; distribution
Prior art date: 1991-06-10
Legal status (The legal status 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 status listed.): Expired - Fee Related

Application number

GB9422804A

Other versions

GB2283864A (en

GB9422804D0 (en

Inventor

Dennis Joseph Allan

John Victor Grant

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

GE Power UK

Original Assignee

GEC Alsthom Ltd

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.)

1991-06-10

Filing date

1992-06-05

Publication date

1996-01-10

1991-06-10 Priority claimed from GB919112435A external-priority patent/GB9112435D0/en

1992-06-05 Application filed by GEC Alsthom Ltd filed Critical GEC Alsthom Ltd

1995-01-04 Publication of GB9422804D0 publication Critical patent/GB9422804D0/en

1995-05-17 Publication of GB2283864A publication Critical patent/GB2283864A/en

1996-01-10 Application granted granted Critical

1996-01-10 Publication of GB2283864B publication Critical patent/GB2283864B/en

2012-06-05 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0213—Manufacturing of magnetic circuits made from strip(s) or ribbon(s)
- H01F41/022—Manufacturing of magnetic circuits made from strip(s) or ribbon(s) by winding the strips or ribbons around a coil
- 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
- H01F27/25—Magnetic cores made from strips or ribbons
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F30/00—Fixed transformers not covered by group H01F19/00
- H01F30/06—Fixed transformers not covered by group H01F19/00 characterised by the structure
- H01F30/10—Single-phase transformers
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Manufacturing & Machinery (AREA)
Manufacturing Cores, Coils, And Magnets (AREA)

GB9422804A 1991-06-10 1992-06-05 Distribution transformers Expired - Fee Related GB2283864B (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB919112435A GB9112435D0 (en)	1991-06-10	1991-06-10	Distribution transformers
GB9211904A GB2257840B (en)	1991-06-10	1992-06-05	Distribution transformers

Publications (3)

Publication Number	Publication Date
GB9422804D0 GB9422804D0 (en)	1995-01-04
GB2283864A GB2283864A (en)	1995-05-17
GB2283864B true GB2283864B (en)	1996-01-10

Family

ID=26299040

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB9422804A Expired - Fee Related GB2283864B (en)	1991-06-10	1992-06-05	Distribution transformers

Country Status (1)

Country	Link
GB (1)	GB2283864B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US11158449B2 (en)	2015-03-12	2021-10-26	Guglielmo MONTAGNANI	Method and device for manufacturing transformers with a core made of amorphous material, and transformer thus produced
CN109961937B (en) *	2017-12-26	2022-03-22	台达电子企业管理（上海）有限公司	Magnetic element

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0159387A1 (en) *	1984-04-03	1985-10-30	Hydro-Quebec	Distribution transformer with coiled magnetic circuit
US4588971A (en) *	1981-12-11	1986-05-13	Societe Nouvelle Transfix	Electric transformer with annular coil forms

1992
- 1992-06-05 GB GB9422804A patent/GB2283864B/en not_active Expired - Fee Related

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4588971A (en) *	1981-12-11	1986-05-13	Societe Nouvelle Transfix	Electric transformer with annular coil forms
EP0159387A1 (en) *	1984-04-03	1985-10-30	Hydro-Quebec	Distribution transformer with coiled magnetic circuit

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
"Amorphous metal distribution transformer technology development at G.E.C. U.S.A." *
8th IEEE Annual Convention, Central America and Panama, Nov 1988, W.D.Nagel et al. *
IEEE Transaction on Power Apparatus and Systems, Vol.PAS-103No.11, Nov 1984, pages 3365 - 3372. *

Also Published As

Publication number	Publication date
GB2283864A (en)	1995-05-17
GB9422804D0 (en)	1995-01-04

Publication	Publication Date	Title
GB2257840B (en)	1996-01-10	Distribution transformers
EP0516415A3 (en)	1992-12-30	Planar transformer
EP0506362A3 (en)	1994-05-18	Coil
GB9424349D0 (en)	1995-01-18	Transformers
EP0537621A3 (en)	1994-05-11	Distribution device
GB9110213D0 (en)	1991-07-03	Distribution system
GB2230208B (en)	1992-02-05	Transformers
GB2259900B (en)	1994-12-14	Distribution apparatus
GB2256972B (en)	1995-01-11	Transformers
GB9120629D0 (en)	1991-11-06	Equipment
HK1000744A1 (en)	1998-04-24	High-voltage transformer
DE69221613D1 (en)	1997-09-18	Former
EP0447389A3 (en)	1992-08-05	Transformer
PL293487A1 (en)	1992-10-19	Transformer
GB9010975D0 (en)	1990-07-04	Current transformers
GB2283864B (en)	1996-01-10	Distribution transformers
GB2261868B (en)	1994-12-21	Transformer bobbin
SU1836737A1 (en)	1993-08-23	Adjustable transformer
GB2295728B (en)	1998-12-16	Transformers
GB2262660B (en)	1995-03-29	Power distribution arrangement
KR970010988B1 (en)	1997-07-05	Transformer
RU1821821C (en)	1993-06-15	Transformer
PL289560A1 (en)	1992-10-05	Single-phase transformer
GB9126013D0 (en)	1992-02-05	Adsorber distribution
AU113220S (en)	1992-02-06	Transformer

Legal Events

Date	Code	Title	Description
2006-03-01	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 20050605