BR8106003A - Processo e disposicao de circuito para a medida,sem contato,de correntes continuas e correntes alternadas,sobretudo de valores instantaneos de correntes - Google Patents
Processo e disposicao de circuito para a medida,sem contato,de correntes continuas e correntes alternadas,sobretudo de valores instantaneos de correntesInfo
- Publication number
- BR8106003A BR8106003A BR8106003A BR8106003A BR8106003A BR 8106003 A BR8106003 A BR 8106003A BR 8106003 A BR8106003 A BR 8106003A BR 8106003 A BR8106003 A BR 8106003A BR 8106003 A BR8106003 A BR 8106003A
- Authority
- BR
- Brazil
- Prior art keywords
- current
- measuring
- winding
- values
- magnetic field
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R17/00—Measuring arrangements involving comparison with a reference value, e.g. bridge
-
- 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
- G01R15/20—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices
- G01R15/205—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices using magneto-resistance devices, e.g. field plates
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Measurement Of Current Or Voltage (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3040316A DE3040316C2 (de) | 1980-10-25 | 1980-10-25 | Verfahren und Vorrichtung zur kontaktlosen Messung von Gleich- und Wechselströmen, insbesondere von Strom-Augenblickswerten |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8106003A true BR8106003A (pt) | 1982-06-08 |
Family
ID=6115187
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8106003A BR8106003A (pt) | 1980-10-25 | 1981-09-21 | Processo e disposicao de circuito para a medida,sem contato,de correntes continuas e correntes alternadas,sobretudo de valores instantaneos de correntes |
Country Status (7)
Country | Link |
---|---|
US (1) | US4460867A (pt) |
EP (1) | EP0050705B1 (pt) |
AT (1) | ATE10307T1 (pt) |
BR (1) | BR8106003A (pt) |
CA (1) | CA1180388A (pt) |
DE (2) | DE3040316C2 (pt) |
ES (1) | ES8206041A1 (pt) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0209769B1 (de) * | 1985-07-18 | 1991-08-28 | Siemens Aktiengesellschaft | Prüfanordnung für ein signalverarbeitendes elektrisches Gerät |
GB2225436A (en) * | 1988-11-25 | 1990-05-30 | Gen Electric Co Plc | Alternating current sensors |
CH679527A5 (pt) * | 1989-04-13 | 1992-02-28 | Lem Liaisons Electron Mec | |
JP3681584B2 (ja) * | 1999-08-27 | 2005-08-10 | 矢崎総業株式会社 | 電流センサ及びこれを用いた電気回路 |
DE102004014454B4 (de) * | 2004-03-24 | 2014-01-09 | Qimonda Ag | Integrierte Schaltung |
DE102007025505A1 (de) * | 2007-06-01 | 2008-12-04 | Epcos Ag | Anordnung zur Messung eines in einem elektrischen Leiter fließenden Stroms |
DE102007036674A1 (de) * | 2007-08-03 | 2009-02-05 | Epcos Ag | Anordnung zur Messung eines in einem elektrischen Leiter fließenden Stroms |
DE102009048691A1 (de) * | 2009-10-08 | 2011-04-21 | Adensis Gmbh | Gleichstrommessstelle zum Auffinden defekter PV-Module in einer PV-Anlage |
CN101813723A (zh) * | 2010-04-07 | 2010-08-25 | 中环光伏系统有限公司 | 一种非接触式测量直流电流的方法 |
DE202010008832U1 (de) | 2010-10-19 | 2012-01-20 | Z-Wave Europe Gmbh | Einrichtung zur Erfassung der elektrischen Leistung, insbesondere der Wirkleistung und/oder der elektrischen Arbeit eines Verbrauchers |
JP6306823B2 (ja) * | 2013-04-01 | 2018-04-04 | 富士通コンポーネント株式会社 | 電流センサ |
CN108318732B (zh) * | 2018-03-13 | 2024-01-23 | 国家电网公司 | 一种变压器铁芯接地电流在线监测装置及方法 |
CN117233453B (zh) * | 2023-11-08 | 2024-02-06 | 武汉神动汽车电子电器股份有限公司 | 一种开环霍尔电流传感器提高检测精度的方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2624770A (en) * | 1949-02-11 | 1953-01-06 | Sun Oil Co | Vacuum tube voltmeter |
US3159787A (en) * | 1960-03-21 | 1964-12-01 | Electro Instr Inc | R. m. s. meter using amplifier with controlled feedback |
US3323057A (en) * | 1966-05-02 | 1967-05-30 | Halmar Electronics | Hall generator current meter having extraneous field compensating apparatus |
US3573616A (en) * | 1969-03-13 | 1971-04-06 | Ibm | Current measuring system having a feedback path including a combined high gain amplifier and integrator |
US3812428A (en) * | 1971-03-15 | 1974-05-21 | Licentia Gmbh | Method of and apparatus for the measuring of direct current |
CH593493A5 (pt) * | 1975-12-17 | 1977-12-15 | Bbc Brown Boveri & Cie | |
US4266189A (en) * | 1976-07-28 | 1981-05-05 | Sun Electric Corporation | Current measuring apparatus and method |
DE2719073B1 (de) * | 1977-04-29 | 1978-06-22 | Grundig Emv | Verfahren zur Erkennung der Induktion Null mittels einer Feldplatte |
DE2827601C2 (de) * | 1978-06-23 | 1980-06-12 | Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig, 8510 Fuerth | Verfahren zur kontaktlosen Messung von Gleich- und Wechselströmen |
-
1980
- 1980-10-25 DE DE3040316A patent/DE3040316C2/de not_active Expired
-
1981
- 1981-06-12 DE DE8181104521T patent/DE3167171D1/de not_active Expired
- 1981-06-12 EP EP81104521A patent/EP0050705B1/de not_active Expired
- 1981-06-12 AT AT81104521T patent/ATE10307T1/de not_active IP Right Cessation
- 1981-07-16 ES ES504030A patent/ES8206041A1/es not_active Expired
- 1981-09-21 BR BR8106003A patent/BR8106003A/pt unknown
- 1981-09-23 CA CA000386470A patent/CA1180388A/en not_active Expired
- 1981-10-07 US US06/309,490 patent/US4460867A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US4460867A (en) | 1984-07-17 |
DE3167171D1 (en) | 1984-12-20 |
ES504030A0 (es) | 1982-06-16 |
ES8206041A1 (es) | 1982-06-16 |
DE3040316A1 (de) | 1982-05-13 |
DE3040316C2 (de) | 1983-11-10 |
EP0050705A1 (de) | 1982-05-05 |
EP0050705B1 (de) | 1984-11-14 |
ATE10307T1 (de) | 1984-11-15 |
CA1180388A (en) | 1985-01-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B15K | Others concerning applications: alteration of classification |
Ipc: G01R 17/00 (2006.01), G01R 15/20 (2006.0 |