BR8706970A - Detetor de corrente e sistema de medicao de demanda eletronico - Google Patents
Detetor de corrente e sistema de medicao de demanda eletronicoInfo
- Publication number
- BR8706970A BR8706970A BR8706970A BR8706970A BR8706970A BR 8706970 A BR8706970 A BR 8706970A BR 8706970 A BR8706970 A BR 8706970A BR 8706970 A BR8706970 A BR 8706970A BR 8706970 A BR8706970 A BR 8706970A
- Authority
- BR
- Brazil
- Prior art keywords
- current detector
- medication system
- electronic demand
- demand medication
- electronic
- Prior art date
Links
- 229940079593 drug Drugs 0.000 title 1
- 239000003814 drug Substances 0.000 title 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/30—Dynamo-electric motor meters
- G01R11/32—Watt-hour meters
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Measurement Of Current Or Voltage (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/944,313 US4761605A (en) | 1986-12-22 | 1986-12-22 | Input switching in electronic watthour meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR8706970A true BR8706970A (pt) | 1988-07-26 |
Family
ID=25481174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR8706970A BR8706970A (pt) | 1986-12-22 | 1987-12-21 | Detetor de corrente e sistema de medicao de demanda eletronico |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4761605A (pt) |
| KR (1) | KR880008030A (pt) |
| AU (1) | AU588775B2 (pt) |
| BR (1) | BR8706970A (pt) |
| ES (1) | ES2005487A6 (pt) |
| FR (1) | FR2608774A1 (pt) |
| GB (1) | GB2199150A (pt) |
| PH (1) | PH24272A (pt) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4952853A (en) * | 1988-08-24 | 1990-08-28 | General Electric Company | Method and apparatus for sensing direct current of one polarity in a conductor and electronically commutated motor control responsive to sensed motor current |
| US5066904A (en) * | 1988-10-18 | 1991-11-19 | General Electric Company | Coaxial current sensors |
| AU627742B2 (en) | 1988-10-18 | 1992-09-03 | General Electric Company | Current sensors |
| GB2225436A (en) * | 1988-11-25 | 1990-05-30 | Gen Electric Co Plc | Alternating current sensors |
| US4970459A (en) * | 1988-12-02 | 1990-11-13 | General Electric Company | Electronic meter chopper stabilization |
| US5017860A (en) * | 1988-12-02 | 1991-05-21 | General Electric Company | Electronic meter digital phase compensation |
| GB2244142A (en) * | 1990-05-16 | 1991-11-20 | Westinghouse Brake & Signal | Current transformer measuring circuits |
| JP3002310B2 (ja) * | 1991-11-21 | 2000-01-24 | 株式会社東芝 | 電力量計 |
| US5585716A (en) * | 1993-01-20 | 1996-12-17 | Schlumberger Industries, S.A. | Multiple stage frequency modulated circuit |
| US5539354A (en) * | 1993-08-18 | 1996-07-23 | Carsten; Bruce W. | Integrator for inductive current sensor |
| EP0686850A1 (de) * | 1994-06-09 | 1995-12-13 | Lem S.A. | Schaltungsanordnung zur Messung von Gleichströmen mit Potentialtrennung zwischen Stromkreis und Messkreis |
| US5568047A (en) * | 1994-08-10 | 1996-10-22 | General Electric Company | Current sensor and method using differentially generated feedback |
| US5652505A (en) * | 1995-12-18 | 1997-07-29 | Neilsen-Kuljian, Inc. | Power consumption measurement device for a multiphase alternating current system |
| US7541800B2 (en) * | 2007-07-16 | 2009-06-02 | General Electric Company | Methods and systems for detecting DC influence in a current sensor |
| JP6625395B2 (ja) * | 2015-10-26 | 2019-12-25 | 日置電機株式会社 | 電流センサおよび測定装置 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE397221B (sv) * | 1973-06-05 | 1977-10-24 | Siemens Ag | Stromtransformator med elektronisk felkompensation, i synnerhet for elektroniska kwh-metare |
| US4182982A (en) * | 1978-07-11 | 1980-01-08 | Westinghouse Electric Corp. | Current sensing transducer for power line current measurements |
| JPS571972A (en) * | 1980-06-04 | 1982-01-07 | Toshiba Corp | Electronic type electric energy meter |
| US4482862A (en) * | 1982-06-10 | 1984-11-13 | The Charles Stark Draper Laboratory, Inc. | Current sensor |
| SE434781B (sv) * | 1982-12-21 | 1984-08-13 | Ericsson Telefon Ab L M | Sett att meta en likstrom eller en lagfrekvent vexelstrom |
| DK149238C (da) * | 1983-09-15 | 1987-01-19 | Danfysik As | Detektorkredslaeb til brug ved straemmaaling |
| US4641105A (en) * | 1985-10-07 | 1987-02-03 | Burr-Brown Corporation | Apparatus and method for noise reduction in a linear amplifier |
-
1986
- 1986-12-22 US US06/944,313 patent/US4761605A/en not_active Expired - Lifetime
-
1987
- 1987-12-17 AU AU82900/87A patent/AU588775B2/en not_active Ceased
- 1987-12-21 FR FR8717833A patent/FR2608774A1/fr active Pending
- 1987-12-21 BR BR8706970A patent/BR8706970A/pt unknown
- 1987-12-21 ES ES8703664A patent/ES2005487A6/es not_active Expired
- 1987-12-21 GB GB08729704A patent/GB2199150A/en active Pending
- 1987-12-22 PH PH36284A patent/PH24272A/en unknown
- 1987-12-22 KR KR870014678A patent/KR880008030A/ko not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| ES2005487A6 (es) | 1989-03-01 |
| GB2199150A (en) | 1988-06-29 |
| AU588775B2 (en) | 1989-09-21 |
| PH24272A (en) | 1990-05-29 |
| KR880008030A (ko) | 1988-08-30 |
| FR2608774A1 (fr) | 1988-06-24 |
| AU8290087A (en) | 1988-06-23 |
| US4761605A (en) | 1988-08-02 |
| GB8729704D0 (en) | 1988-02-03 |
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