BR7202389D0 - IMPROVEMENT IN HIGH VOLTAGE COILS ASSEMBLY FOR ELECTRIC INDUCTION EQUIPMENT - Google Patents
IMPROVEMENT IN HIGH VOLTAGE COILS ASSEMBLY FOR ELECTRIC INDUCTION EQUIPMENTInfo
- Publication number
- BR7202389D0 BR7202389D0 BR2389/72A BR238972A BR7202389D0 BR 7202389 D0 BR7202389 D0 BR 7202389D0 BR 2389/72 A BR2389/72 A BR 2389/72A BR 238972 A BR238972 A BR 238972A BR 7202389 D0 BR7202389 D0 BR 7202389D0
- Authority
- BR
- Brazil
- Prior art keywords
- improvement
- high voltage
- electric induction
- voltage coils
- induction equipment
- Prior art date
Links
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
- H01F27/28—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
-
- 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
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/36—Electric or magnetic shields or screens
-
- 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
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/36—Electric or magnetic shields or screens
- H01F27/363—Electric or magnetic shields or screens made of electrically conductive material
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Regulation Of General Use Transformers (AREA)
- Coils Of Transformers For General Uses (AREA)
- Insulating Of Coils (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14173571A | 1971-05-10 | 1971-05-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7202389D0 true BR7202389D0 (en) | 1974-01-08 |
Family
ID=22496990
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR2389/72A BR7202389D0 (en) | 1971-05-10 | 1972-04-19 | IMPROVEMENT IN HIGH VOLTAGE COILS ASSEMBLY FOR ELECTRIC INDUCTION EQUIPMENT |
Country Status (4)
Country | Link |
---|---|
US (1) | US3675175A (en) |
BR (1) | BR7202389D0 (en) |
CA (1) | CA943644A (en) |
ES (1) | ES400173A1 (en) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3845436A (en) * | 1973-12-19 | 1974-10-29 | Westinghouse Electric Corp | Power transformer having shields for shaping the electric field in the major insulation spaces |
US4176334A (en) * | 1975-08-25 | 1979-11-27 | Hughes Aircraft Company | High voltage transformer and process for making same |
US4153891A (en) * | 1977-12-16 | 1979-05-08 | General Electric Company | Transient voltage distribution improving line shield for layer wound power transformer |
DE3100419C2 (en) * | 1981-01-09 | 1986-07-17 | ANT Nachrichtentechnik GmbH, 7150 Backnang | High power density transformer |
US4352078A (en) * | 1981-02-06 | 1982-09-28 | Electric Power Research Institute, Inc. | Combination static plate and liquid distribution manifold for electrical inductive apparatus |
DE3243595C2 (en) * | 1982-11-25 | 1985-10-17 | Smit Transformatoren B.V., Nijmegen | Winding arrangement for a gas-cooled transformer |
US4524341A (en) * | 1983-02-07 | 1985-06-18 | Owen D W | Transformer with series-parallel-series winding between split winding |
US4518941A (en) * | 1983-11-16 | 1985-05-21 | Nihon Kohden Corporation | Pulse transformer for switching power supplies |
JPS60239939A (en) * | 1984-05-14 | 1985-11-28 | Hitachi Ltd | Object lens driving device |
US5005100A (en) * | 1989-08-02 | 1991-04-02 | Southwest Electric Company | Transient-filtered transformer |
US5130616A (en) * | 1990-11-13 | 1992-07-14 | Southwest Electric Company | Motor control system and components thereof |
US5216356A (en) * | 1990-11-13 | 1993-06-01 | Southwest Electric Company | Shielded three phase transformer with tertiary winding |
JPH04348508A (en) * | 1991-05-27 | 1992-12-03 | Toshiba Corp | Static induction electric device |
DE4123812C2 (en) * | 1991-07-18 | 1993-10-28 | Bosch Gmbh Robert | transformer |
US5449991A (en) * | 1993-09-20 | 1995-09-12 | Southwest Electric Company | Motor control system and apparatus for providing desired three-phase voltage therein using a main transformer energized through an autotransformer |
US6181230B1 (en) | 1998-09-21 | 2001-01-30 | Abb Power T&D Company Inc. | Voltage coil and method and making same |
ITVI20080102A1 (en) * | 2008-04-30 | 2009-11-01 | S E A Societa Elettromeccanica | OPTIMIZED TRANSFORMER, IN PARTICULAR FOR THE EXECUTION OF DIELECTRIC TESTS. |
ITVI20080124A1 (en) * | 2008-05-28 | 2009-11-29 | S E A Societa Elettromeccanica | OPTIMIZED SHIELDING TRANSFORMER, IN PARTICULAR FOR THE EXECUTION OF DIELECTRIC TESTS. |
NO329698B1 (en) * | 2009-02-23 | 2010-12-06 | Badger Explorer Asa | Hoyspenttransformator |
EP3400602B1 (en) * | 2016-01-04 | 2021-09-01 | ABB Power Grids Switzerland AG | Multilayer winding transformer |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2348239A (en) * | 1940-07-20 | 1944-05-09 | Bbc Brown Boveri & Cie | High voltage transformer |
GB877765A (en) * | 1957-05-29 | 1961-09-20 | Smit & Willem & Co Nv | Improvements in and relating to transformers and choking coils |
DE1213911B (en) * | 1960-11-18 | 1966-04-07 | Liebknecht Transformat | transformer |
-
1971
- 1971-05-10 US US141735A patent/US3675175A/en not_active Expired - Lifetime
-
1972
- 1972-02-25 ES ES400173A patent/ES400173A1/en not_active Expired
- 1972-04-19 BR BR2389/72A patent/BR7202389D0/en unknown
- 1972-05-10 CA CA141,749A patent/CA943644A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3675175A (en) | 1972-07-04 |
ES400173A1 (en) | 1974-12-16 |
CA943644A (en) | 1974-03-12 |
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