FR2451621B1 - Perfectionnements aux circuits de transformation de courant - Google Patents
Perfectionnements aux circuits de transformation de courantInfo
- Publication number
- FR2451621B1 FR2451621B1 FR8005744A FR8005744A FR2451621B1 FR 2451621 B1 FR2451621 B1 FR 2451621B1 FR 8005744 A FR8005744 A FR 8005744A FR 8005744 A FR8005744 A FR 8005744A FR 2451621 B1 FR2451621 B1 FR 2451621B1
- Authority
- FR
- France
- Prior art keywords
- current transformation
- transformation circuits
- circuits
- current
- transformation
- Prior art date
- 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
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
- H01F38/32—Circuit arrangements
-
- 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
- G01R15/183—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using transformers with a magnetic core
-
- 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
- H01F27/42—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils
- H01F27/422—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils for instrument transformers
- H01F27/427—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils for instrument transformers for current transformers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Measurement Of Current Or Voltage (AREA)
- Transformers For Measuring Instruments (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3046379A JPS55123116A (en) | 1979-03-15 | 1979-03-15 | Error compensating type current transformer |
JP12975079A JPS5654020A (en) | 1979-10-08 | 1979-10-08 | Error compensation type current transformer |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2451621A1 FR2451621A1 (fr) | 1980-10-10 |
FR2451621B1 true FR2451621B1 (fr) | 1985-10-11 |
Family
ID=26368814
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8005744A Expired FR2451621B1 (fr) | 1979-03-15 | 1980-03-14 | Perfectionnements aux circuits de transformation de courant |
Country Status (3)
Country | Link |
---|---|
US (1) | US4309652A (fr) |
FR (1) | FR2451621B1 (fr) |
GB (1) | GB2045952B (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2244142A (en) * | 1990-05-16 | 1991-11-20 | Westinghouse Brake & Signal | Current transformer measuring circuits |
AUPM661094A0 (en) * | 1994-07-01 | 1994-07-28 | Rmd Electronics Pty. Ltd. | Improved clipon ct |
JP2001033494A (ja) * | 1999-07-15 | 2001-02-09 | Toshiba Kyaria Kk | 交流電流検出装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1074147B (de) * | 1960-01-28 | Siemens &. Halske Aktiengesellschaft, Berlin und München | Anordnung zur Erzielung einer fehlerfreien Stromübersetzung durch einen Stromwandler | |
US2428613A (en) * | 1943-10-18 | 1947-10-07 | Gen Electric | Transformer |
US3363169A (en) * | 1964-10-15 | 1968-01-09 | United States Time Corp | Gyroscope null voltage circuit |
US3848178A (en) * | 1971-12-09 | 1974-11-12 | Gen Electric | Combined power and instrument potential transformer |
DE2207610A1 (de) * | 1972-02-18 | 1973-08-30 | Siemens Ag | Anordnung zur vergroesserung des messbereiches von elektronisch kompensierten stromwandlern |
US3916310A (en) * | 1973-06-05 | 1975-10-28 | Siemens Ag | Electronic measuring instrument arrangement for measuring electrical A-C quantities |
US3881149A (en) * | 1973-08-23 | 1975-04-29 | Lorain Prod Corp | Compensated transformer circuit |
-
1980
- 1980-03-04 GB GB8007357A patent/GB2045952B/en not_active Expired
- 1980-03-07 US US06/128,300 patent/US4309652A/en not_active Expired - Lifetime
- 1980-03-14 FR FR8005744A patent/FR2451621B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2451621A1 (fr) | 1980-10-10 |
GB2045952A (en) | 1980-11-05 |
US4309652A (en) | 1982-01-05 |
GB2045952B (en) | 1983-01-12 |
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