DK437387A - Maalekredsloeb - Google Patents
MaalekredsloebInfo
- Publication number
- DK437387A DK437387A DK437387A DK437387A DK437387A DK 437387 A DK437387 A DK 437387A DK 437387 A DK437387 A DK 437387A DK 437387 A DK437387 A DK 437387A DK 437387 A DK437387 A DK 437387A
- Authority
- DK
- Denmark
- Prior art keywords
- measuring circuit
- measuring
- circuit
- 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
- H01F27/42—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
-
- 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
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/18—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of DC into AC, e.g. with choppers
- G01R19/20—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of DC into AC, e.g. with choppers using transductors, i.e. a magnetic core transducer the saturation of which is cyclically reversed by an AC source on the secondary side
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
- H01F29/14—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias
- H01F2029/143—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias with control winding for generating magnetic bias
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8602145A NL8602145A (nl) | 1986-08-22 | 1986-08-22 | Meetschakeling voor continue, nauwkeurige meting van gelijk- en wisselstroom. |
Publications (2)
Publication Number | Publication Date |
---|---|
DK437387D0 DK437387D0 (da) | 1987-08-21 |
DK437387A true DK437387A (da) | 1988-02-23 |
Family
ID=19848442
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK437387A DK437387A (da) | 1986-08-22 | 1987-08-21 | Maalekredsloeb |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0261707A1 (da) |
DK (1) | DK437387A (da) |
NL (1) | NL8602145A (da) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100437124C (zh) * | 2003-11-27 | 2008-11-26 | 旦菲斯克公司 | 用于测量电流的检测器电路 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0356248B1 (en) * | 1988-08-24 | 1995-09-06 | Liaisons Electroniques-Mecaniques Lem S.A. | A current sensor |
FR2753594B1 (fr) * | 1996-09-17 | 1998-12-11 | Sagem | Telecopieur a interface de ligne a detecteur unique et detecteur de courant a circuits magnetiques de detection et de compensation |
ES2252264T3 (es) * | 2000-08-12 | 2006-05-16 | Robert Bosch Gmbh | Disposicion de circuito para la generacion de impulsos rectangulares. |
DE602005023760D1 (de) | 2004-11-05 | 2010-11-04 | Lem Liaisons Electron Mec | Detektorschaltung zur strommessung |
US8847573B2 (en) * | 2011-05-20 | 2014-09-30 | Littlefuse, Inc. | AC/DC current transformer |
CN102435810A (zh) * | 2011-09-14 | 2012-05-02 | 北京国基科技股份有限公司 | 一种交流电中检测直流分量的方法及装置 |
US10203363B2 (en) * | 2016-12-14 | 2019-02-12 | General Electric Company | DC leakage current detector and method of operation thereof for leakage current detection in DC power circuits |
RU2724166C1 (ru) * | 2019-07-26 | 2020-06-22 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Московский авиационный институт (национальный исследовательский университет)" | Датчик тока |
CN113075605B (zh) * | 2021-03-30 | 2023-10-27 | 中国科学院上海高等研究院 | 一种磁调制dcct的零点偏差校准方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4298838A (en) * | 1976-01-14 | 1981-11-03 | Mitsubishi Denki Kabushiki Kaisha | Transformer device |
BE856056A (nl) * | 1976-07-13 | 1977-12-23 | Hazemeijer Bv | Stroommeetsysteem, meer in het bijzonder toepasbaar als aardlek deteciesysteem, en met een dergelijk systeem uitgeruste functionele inrichting, zoals een aardlekschakelaar |
DE3511967A1 (de) * | 1985-04-02 | 1986-10-09 | Robert Bosch Gmbh, 7000 Stuttgart | Einrichtung zur kontrolle von elektrischen verbrauchern in kraftfahrzeugen |
-
1986
- 1986-08-22 NL NL8602145A patent/NL8602145A/nl not_active Application Discontinuation
-
1987
- 1987-08-21 DK DK437387A patent/DK437387A/da not_active Application Discontinuation
- 1987-08-21 EP EP87201595A patent/EP0261707A1/en not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100437124C (zh) * | 2003-11-27 | 2008-11-26 | 旦菲斯克公司 | 用于测量电流的检测器电路 |
Also Published As
Publication number | Publication date |
---|---|
DK437387D0 (da) | 1987-08-21 |
EP0261707A1 (en) | 1988-03-30 |
NL8602145A (nl) | 1988-03-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AHB | Application shelved due to non-payment |