OA03871A - Polyphase transformer. - Google Patents

Polyphase transformer.

Info

Publication number: OA03871A
Authority: OA; OAPI
Prior art keywords: polyphase transformer; polyphase; transformer
Prior art date: 1970-12-14

Application number

OA54430A

Other languages

French (fr)

Original Assignee

Unelec

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.)

1970-12-14

Filing date

1971-12-01

Publication date

1971-12-24

1971-12-01 Application filed by Unelec filed Critical Unelec

1971-12-24 Publication of OA03871A publication Critical patent/OA03871A/en

Links

Classifications

- 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
- H01F30/12—Two-phase, three-phase or polyphase transformers
- 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
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2866—Combination of wires and sheets
- 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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Coils Of Transformers For General Uses (AREA)

OA54430A 1970-12-14 1971-12-01 Polyphase transformer. OA03871A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR7045010A FR2123093B1 (en)	1970-12-14	1970-12-14

Publications (1)

Publication Number	Publication Date
OA03871A true OA03871A (en)	1971-12-24

Family

ID=9065745

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
OA54430A OA03871A (en)	1970-12-14	1971-12-01	Polyphase transformer.

Country Status (8)

Country	Link
BE (1)	BE776141A (en)
DE (1)	DE2160951A1 (en)
ES (1)	ES397268A1 (en)
FR (1)	FR2123093B1 (en)
GB (1)	GB1361436A (en)
IT (1)	IT943912B (en)
NL (1)	NL7117156A (en)
OA (1)	OA03871A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2398376A1 (en) *	1977-07-22	1979-02-16	Unelec	HIGH MECHANICAL RESISTANCE POLYPHASE TRANSFORMER
FR2518306B1 (en) *	1981-12-11	1986-11-28	Transfix Soc Nouv	ELECTRIC TRANSFORMER AND METHOD FOR THE PRODUCTION THEREOF
JPH061413B2 (en) *	1987-07-16	1994-01-05	ニシム電子工業株式会社	Ferro-resonant transformer for three-phase constant voltage
WO2009138100A1 (en) *	2008-05-13	2009-11-19	Abb Technology Ag	High-voltage winding
GB201413923D0 (en)	2014-08-06	2014-09-17	Rolls Royce Plc	Rotary friction welding

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2305649A (en) *	1940-02-14	1942-12-22	Gen Electric	Electromagnetic induction apparatus
FR1344403A (en) *	1962-10-16	1963-11-29	Materiel Electrique S W Le	Polyphase magnetic circuit
FR1448410A (en) *	1965-09-16	1966-08-05		Core enhancements for three-phase transformers

1970
- 1970-12-14 FR FR7045010A patent/FR2123093B1/fr not_active Expired
1971
- 1971-11-23 ES ES397268A patent/ES397268A1/en not_active Expired
- 1971-12-01 OA OA54430A patent/OA03871A/en unknown
- 1971-12-02 BE BE776141A patent/BE776141A/en unknown
- 1971-12-03 GB GB5635571A patent/GB1361436A/en not_active Expired
- 1971-12-08 DE DE19712160951 patent/DE2160951A1/en active Pending
- 1971-12-14 IT IT32337/71A patent/IT943912B/en active
- 1971-12-14 NL NL7117156A patent/NL7117156A/xx not_active Application Discontinuation

Also Published As

Publication number	Publication date
IT943912B (en)	1973-04-10
ES397268A1 (en)	1975-03-01
NL7117156A (en)	1972-06-16
BE776141A (en)	1972-06-02
DE2160951A1 (en)	1972-06-29
GB1361436A (en)	1974-07-24
FR2123093A1 (en)	1972-09-08
FR2123093B1 (en)	1974-03-22

Publication	Publication Date	Title
NL161382C (en)	1980-02-15	SORMPERS EQUIPMENT.
FR2088415A1 (en)	1972-01-07	INDUCTOR
OA03871A (en)	1971-12-24	Polyphase transformer.
DK129766B (en)	1974-11-18	Salvebase.
ES196914Y (en)	1975-08-16	CONVERTED.
AT313094B (en)	1974-01-25	Tap
DK124505B (en)	1972-10-23	Transformer.
CH546584A (en)	1974-03-15	SKIBOB.
BE774845A (en)	1972-03-01	TRANSFORMER
NL164152C (en)	1980-11-17	TRANSFORMER.
DK131830B (en)	1975-09-08	Gaslighter.
ES163299Y (en)	1971-07-16	FOLDING SAVORS.
BG21045A3 (en)	1976-01-20	ADDITIONAL TRANSFORMER
ES156991Y (en)	1971-08-01	GIRDLE-PANTS.
ES156687Y (en)	1971-06-16	BOX-CASE.
CH549227A (en)	1974-05-15	PHOTOCOPYER.
ES164164Y (en)	1972-03-01	TRANSFORMER REEL.
ES164851Y (en)	1972-05-01	BOBBIN.
ES155307Y (en)	1971-01-01	FOLDING TABLE-JAW.
ES161746Y (en)	1971-04-16	FOLDING TABLE-TRAY.
ES155257Y (en)	1971-01-01	COMBINED PITILLERA.
ES164030Y (en)	1971-08-16	NEW POT-VASE.
ES162881Y (en)	1971-07-16	NEW PINATA.
ES162757Y (en)	1971-07-16	NEW SCREEN-GRIPPER.
ES156485Y (en)	1971-02-16	BOX-CONTAINER.