CH486758A - Strom-Transformator - Google Patents
Strom-TransformatorInfo
- Publication number
- CH486758A CH486758A CH399169A CH399169A CH486758A CH 486758 A CH486758 A CH 486758A CH 399169 A CH399169 A CH 399169A CH 399169 A CH399169 A CH 399169A CH 486758 A CH486758 A CH 486758A
- Authority
- CH
- Switzerland
- Prior art keywords
- electricity transformer
- transformer
- electricity
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase ac
- H01F38/28—Current transformers
- H01F38/30—Constructions
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
- G01R15/181—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using coils without a magnetic core, e.g. Rogowski coils
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase ac
- H01F38/28—Current transformers
- H01F38/30—Constructions
- H01F2038/305—Constructions with toroidal magnetic core
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transformers For Measuring Instruments (AREA)
- Coils Or Transformers For Communication (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US71460568A | 1968-03-20 | 1968-03-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH486758A true CH486758A (de) | 1970-02-28 |
Family
ID=24870730
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH399169A CH486758A (de) | 1968-03-20 | 1969-03-17 | Strom-Transformator |
Country Status (5)
Country | Link |
---|---|
US (1) | US3449703A (de) |
CH (1) | CH486758A (de) |
DE (1) | DE1913553A1 (de) |
FR (1) | FR2004314A1 (de) |
GB (1) | GB1231108A (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE29019E (en) * | 1969-01-22 | 1976-10-26 | Yeda Research & Development Co. Ltd. | Intruder detection system |
US3754223A (en) * | 1970-01-21 | 1973-08-21 | Yeda Res & Dev | Intruder detection system |
US3806798A (en) * | 1973-01-29 | 1974-04-23 | Balsbaugh Labor Inc | Electrodeless conductivity measuring system |
US3867657A (en) * | 1974-03-29 | 1975-02-18 | Westinghouse Electric Corp | Generator having shielded current transformers positioned therein |
FR2471034A1 (fr) * | 1979-12-04 | 1981-06-12 | Merlin Gerin | Capteur d'intensite a support souple deformable et son procede de fabrication |
FR2564594B1 (fr) * | 1984-05-21 | 1986-09-12 | Merlin Gerin | Capteur de courant a noyau amagnetique |
AU611126B2 (en) * | 1987-02-19 | 1991-06-06 | Westinghouse Electric Corporation | Electromagnetic contactor with lightweight wide range current transducer with sintered powdered metal core |
US4887029A (en) * | 1988-03-18 | 1989-12-12 | Westinghouse Electric Corp. | Mutual inductance current transducer, method of making and electric energy meter incorporating same |
US5341083A (en) * | 1991-09-27 | 1994-08-23 | Electric Power Research Institute, Inc. | Contactless battery charging system |
US5301096A (en) * | 1991-09-27 | 1994-04-05 | Electric Power Research Institute | Submersible contactless power delivery system |
US5225769A (en) * | 1992-02-21 | 1993-07-06 | Zmd Corporation | Defibrillation discharge current sensor |
FR2712423B1 (fr) * | 1993-11-08 | 1996-02-09 | Gec Alsthom T & D Sa | Bobine de Rogowski utilisable dans une installation électrique avec enveloppe métallique à la terre et procédé de fabrication d'une telle bobine. |
US5615075A (en) * | 1995-05-30 | 1997-03-25 | General Electric Company | AC/DC current sensor for a circuit breaker |
JPH10214736A (ja) * | 1997-01-28 | 1998-08-11 | Toyo Denso Co Ltd | 高電圧発生用トランス |
US6566994B1 (en) * | 1997-03-17 | 2003-05-20 | Fluke Corporation | Coil for an AC current sensor |
FR2783085B1 (fr) * | 1998-09-09 | 2000-10-06 | Alstom Technology | Bobinage torique sans noyau magnetique comportant deux enroulements superposes |
TR200905709A2 (tr) * | 2009-07-23 | 2009-09-23 | Deni̇zoğlu Cemaletti̇n | Düşük güçlü akım transformatörlerinde diş manyetik etkileri yok etme amaçlı sargı yöntemi. |
US8957753B2 (en) * | 2011-11-22 | 2015-02-17 | Abb Technology Ag | Current transformer |
CN110676038A (zh) * | 2018-07-02 | 2020-01-10 | 福迪威(上海)工业仪器技术研发有限公司 | 电流互感器 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2241127A (en) * | 1938-04-14 | 1941-05-06 | Westinghouse Electric & Mfg Co | Protective relay |
US2975384A (en) * | 1954-09-24 | 1961-03-14 | Sprague Electric Co | Toroidal inductor combinations |
DE1248154B (de) * | 1964-04-06 | 1967-08-24 | Siemens Ag | Mit einem Spannungwandler kombinierter Wandler |
US3299384A (en) * | 1964-07-01 | 1967-01-17 | Ibm | Wide-band transformer having neutralizing winding |
US3353132A (en) * | 1965-05-27 | 1967-11-14 | Gen Electric | Leakage flux suppressor windings for transformers |
-
1968
- 1968-03-20 US US714605A patent/US3449703A/en not_active Expired - Lifetime
-
1969
- 1969-03-13 GB GB1231108D patent/GB1231108A/en not_active Expired
- 1969-03-17 CH CH399169A patent/CH486758A/de not_active IP Right Cessation
- 1969-03-18 DE DE19691913553 patent/DE1913553A1/de active Pending
- 1969-03-19 FR FR6907972A patent/FR2004314A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GB1231108A (de) | 1971-05-12 |
US3449703A (en) | 1969-06-10 |
DE1913553A1 (de) | 1969-10-09 |
FR2004314A1 (fr) | 1969-11-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |