SE376803B - - Google Patents
Info
- Publication number
- SE376803B SE376803B SE7302223A SE7302223A SE376803B SE 376803 B SE376803 B SE 376803B SE 7302223 A SE7302223 A SE 7302223A SE 7302223 A SE7302223 A SE 7302223A SE 376803 B SE376803 B SE 376803B
- Authority
- SE
- Sweden
Links
Classifications
-
- 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
- G01R15/185—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 with compensation or feedback windings or interacting coils, e.g. 0-flux sensors
-
- 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
- G01R15/08—Circuits for altering the measuring range
-
- 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
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722207610 DE2207610A1 (en) | 1972-02-18 | 1972-02-18 | ARRANGEMENT FOR INCREASING THE MEASURING RANGE OF ELECTRONICALLY COMPENSATED CURRENT CONVERTERS |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE376803B true SE376803B (en) | 1975-06-09 |
Family
ID=5836319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7302223A SE376803B (en) | 1972-02-18 | 1973-02-16 |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS4894828A (en) |
| CH (1) | CH553414A (en) |
| DE (1) | DE2207610A1 (en) |
| ES (1) | ES411725A1 (en) |
| FR (1) | FR2172323A1 (en) |
| GB (1) | GB1419023A (en) |
| IT (1) | IT979055B (en) |
| NL (1) | NL7301232A (en) |
| SE (1) | SE376803B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2045952B (en) * | 1979-03-15 | 1983-01-12 | Tokyo Shibaura Electric Co | Current transforming circuits |
| CH661814A5 (en) * | 1983-06-01 | 1987-08-14 | Landis & Gyr Ag | MEASURING VOLTAGE CONVERTER HIGH ACCURACY. |
| DE3634221A1 (en) * | 1986-10-08 | 1988-04-14 | Bbc Brown Boveri & Cie | ELECTRIC CONVERTER |
| US5107204A (en) * | 1986-12-22 | 1992-04-21 | General Electric Company | Low temperature coefficient shunt for current measurement |
| FR2690993A1 (en) * | 1992-05-06 | 1993-11-12 | Europ Agence Spatiale | Galvanically-isolated DC current pulse intensity measurement appts. e.g. for DC=DC converter or radar - has transformer with first sec. in parallel with resistor across which voltage is measured by amplifier, and second transformer sec. which is in series with further resistor and fed by amplifier output. |
| FR2704652B1 (en) * | 1993-04-30 | 1995-06-23 | Zellweger Sauter En Sa | CURRENT SENSOR FOR ALTERNATING CURRENTS. |
| CN103000361A (en) * | 2012-11-22 | 2013-03-27 | 南京江北自动化技术有限公司 | Current transformer |
| GB2538816B (en) * | 2015-05-26 | 2017-08-16 | Secure Int Holdings Pte Ltd | Electricity meter with isolated shunt |
| CN113241245B (en) * | 2021-05-10 | 2022-03-11 | 大连北方互感器集团有限公司 | Current transformer with constant-value resistor and preparation method thereof |
-
1972
- 1972-02-18 DE DE19722207610 patent/DE2207610A1/en active Pending
-
1973
- 1973-01-29 NL NL7301232A patent/NL7301232A/xx unknown
- 1973-02-13 IT IT2032373A patent/IT979055B/en active
- 1973-02-15 CH CH213573A patent/CH553414A/en not_active IP Right Cessation
- 1973-02-15 GB GB759573A patent/GB1419023A/en not_active Expired
- 1973-02-16 FR FR7305466A patent/FR2172323A1/fr not_active Withdrawn
- 1973-02-16 SE SE7302223A patent/SE376803B/xx unknown
- 1973-02-17 ES ES411725A patent/ES411725A1/en not_active Expired
- 1973-02-19 JP JP48020078A patent/JPS4894828A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2172323A1 (en) | 1973-09-28 |
| ES411725A1 (en) | 1976-01-01 |
| GB1419023A (en) | 1975-12-24 |
| IT979055B (en) | 1974-09-30 |
| NL7301232A (en) | 1973-08-21 |
| DE2207610A1 (en) | 1973-08-30 |
| JPS4894828A (en) | 1973-12-06 |
| CH553414A (en) | 1974-08-30 |