SE441139B - Anordning for overvakning av en elektrisk parameter som er tilldelad en gemensammodspenning, vilken anordning alstrar en analogsignal oberoende av nemnda gemensammodspenning och ater presenterar den elektriska parameter - Google Patents
Anordning for overvakning av en elektrisk parameter som er tilldelad en gemensammodspenning, vilken anordning alstrar en analogsignal oberoende av nemnda gemensammodspenning och ater presenterar den elektriska parameterInfo
- Publication number
- SE441139B SE441139B SE7706475A SE7706475A SE441139B SE 441139 B SE441139 B SE 441139B SE 7706475 A SE7706475 A SE 7706475A SE 7706475 A SE7706475 A SE 7706475A SE 441139 B SE441139 B SE 441139B
- Authority
- SE
- Sweden
- Prior art keywords
- community
- voltage
- electrical parameter
- presents
- monitoring
- Prior art date
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
- G01R15/22—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-emitting devices, e.g. LED, optocouplers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Amplifiers (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Transformers For Measuring Instruments (AREA)
- Measurement Of Current Or Voltage (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/698,128 US4032843A (en) | 1976-06-21 | 1976-06-21 | Compensated signal isolator |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7706475L SE7706475L (sv) | 1977-12-22 |
SE441139B true SE441139B (sv) | 1985-09-09 |
Family
ID=24804025
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7706475A SE441139B (sv) | 1976-06-21 | 1977-06-02 | Anordning for overvakning av en elektrisk parameter som er tilldelad en gemensammodspenning, vilken anordning alstrar en analogsignal oberoende av nemnda gemensammodspenning och ater presenterar den elektriska parameter |
Country Status (7)
Country | Link |
---|---|
US (1) | US4032843A (xx) |
BE (1) | BE855899A (xx) |
CA (1) | CA1077141A (xx) |
DE (1) | DE2726705A1 (xx) |
FR (1) | FR2356147A1 (xx) |
GB (1) | GB1533072A (xx) |
SE (1) | SE441139B (xx) |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1532508A (en) * | 1976-07-20 | 1978-11-15 | Standard Telephones Cables Ltd | Telecommunication systems |
US4100487A (en) * | 1977-03-30 | 1978-07-11 | Nasa | Lightning current waveform measuring system |
US4190747A (en) * | 1978-04-05 | 1980-02-26 | Bell Telephone Laboratories, Incorporated | Signal corrected optocoupled device |
SE413808B (sv) * | 1978-09-22 | 1980-06-23 | Asea Ab | Metdon for overforing av metsignaler via en optisk lenk |
US4228323A (en) * | 1979-01-31 | 1980-10-14 | Bell Telephone Laboratories, Incorporated | Variable loop length compensated barrier circuit |
US4360879A (en) * | 1980-08-28 | 1982-11-23 | The Valeron Corporation | Power measuring device |
US4356457A (en) * | 1980-09-02 | 1982-10-26 | General Dynamics, Pomona Division | Optic floating deck modulator |
US4539480A (en) * | 1982-11-08 | 1985-09-03 | Cibertec S.A. | Electrical isolation system |
GB2138137B (en) * | 1983-03-07 | 1987-01-14 | Brown Boveri Kent Ltd | Improvements in sensing apparatus |
US4752693A (en) * | 1983-03-31 | 1988-06-21 | Tokyo Shibaura Denki Kabushiki Kaisha | Circuit with a photo coupler |
US4652764A (en) * | 1983-03-31 | 1987-03-24 | Tokyo Shibaura Denki Kabushiki Kaisha | Current source circuit with a photo coupler |
US4596048A (en) * | 1983-04-04 | 1986-06-17 | General Electric Company | Optically isolated contention bus |
US4685118A (en) * | 1983-11-10 | 1987-08-04 | Picker International, Inc. | X-ray tube electron beam switching and biasing method and apparatus |
GB2159650B (en) * | 1984-05-29 | 1988-02-17 | New Zealand Dev Finance | Electronic switch |
DE3712190A1 (de) * | 1987-04-10 | 1988-10-27 | Bbc Brown Boveri & Cie | Elektrischer wandler |
GB8713314D0 (en) * | 1987-06-06 | 1987-07-08 | Brush Switchgear | Current transformers |
US4956877A (en) * | 1987-06-10 | 1990-09-11 | Cherne Medical, Inc. | Optical fiber reflective signal modulation system |
US4879760A (en) * | 1987-06-10 | 1989-11-07 | Cherne Medical, Inc. | Optical fiber transmissive signal modulation system |
US4928067A (en) * | 1988-12-19 | 1990-05-22 | Siemens Transmission Systems, Inc. | Non-intrusive fiber optic electromagnetic field probe apparatus and associated methods |
US4902978A (en) * | 1989-01-09 | 1990-02-20 | Wolf Technologies Corporation | Opto-isolation system and method of use |
DE3916832A1 (de) * | 1989-05-19 | 1990-11-22 | Siemens Ag | Schaltungsanordnung zm potentialfreien erfassen von binaeren elektrischen signalen |
DE4010373A1 (de) * | 1990-03-30 | 1991-10-02 | Jordan Gmbh Georg | Vorrichtung zur durchfuehrung von spannungspruefungen |
DE4011193A1 (de) * | 1990-04-04 | 1991-10-10 | Siemens Ag | Steuerschaltung zur stromversorgungsueberwachung |
US5241274A (en) * | 1990-06-26 | 1993-08-31 | Williams Bill J | On-board internal combustion engine spark plug efficiency visual display |
US5208541A (en) * | 1991-06-19 | 1993-05-04 | Daniel Yerkovich | Spark plug firing sensor with capacitive coupling and optical pickup |
FR2685582B1 (fr) * | 1991-12-18 | 1997-06-27 | Com 1 | Dispositif d'interface electronique de transmission lineaire de signaux a haute isolation par opto-coupleurs polarises en inverse. |
EP0686266A1 (de) * | 1993-02-24 | 1995-12-13 | Siemens Aktiengesellschaft | Einrichtung zur istwert-erfassung einer messgrösse auf hohem potential |
WO1996035972A1 (en) * | 1995-05-08 | 1996-11-14 | Testdesign Corporation | Optical fiber interface for integrated circuit test system |
US5668708A (en) * | 1996-03-13 | 1997-09-16 | Spellman High Voltage Electronics Corp. | DC power supply with reduced ripple |
GB2321713A (en) * | 1997-02-01 | 1998-08-05 | Motorola Israel Ltd | High-voltage transmission line data transfer system |
GB0029815D0 (en) * | 2000-12-06 | 2001-01-17 | Pace Micro Tech Plc | Voltage measuring apparatus |
JP4362046B2 (ja) * | 2003-07-15 | 2009-11-11 | アバゴ・テクノロジーズ・イーシービーユー・アイピー(シンガポール)プライベート・リミテッド | 線形性を改善したフォトカプラ装置 |
US20090224186A1 (en) * | 2008-03-05 | 2009-09-10 | Khalil Mohamad A | Dual opto-coupler optical isolation circuit |
US8717098B2 (en) * | 2012-04-09 | 2014-05-06 | Keithley Instruments, Inc. | High gain, high voltage power amplifier |
US9297837B2 (en) | 2012-05-03 | 2016-03-29 | Institut National D'optique | Optical sensor for non-contact voltage measurement |
CN102866278A (zh) * | 2012-06-28 | 2013-01-09 | 深圳市汇川技术股份有限公司 | 变频器输出电压检测电路及变频器 |
CN103645395A (zh) * | 2013-11-15 | 2014-03-19 | 四川圣维信息技术有限公司 | 应用于高压带电监测的隔离与保护电路 |
CN104407193A (zh) * | 2014-12-12 | 2015-03-11 | 东莞市精诚电能设备有限公司 | 一种线性电压采样电路 |
CN107907728B (zh) * | 2017-10-11 | 2020-04-24 | 深圳供电局有限公司 | 一种抑制温度漂移的线性光电隔离电路 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1814520B2 (de) * | 1968-12-13 | 1970-06-18 | Rohde & Schwarz | Schaltungsanordnung zur Anzeige des Effektivwerts eines Wechselstroms oder einer Wechselspannung |
DE2333907A1 (de) * | 1973-06-29 | 1975-01-23 | Licentia Gmbh | Anordnung zur potentialfreien messung hochgespannter gleichstroeme |
US3854089A (en) * | 1974-01-14 | 1974-12-10 | Stromberg Carlson Corp | Low voltage monitor circuit |
US3943367A (en) * | 1975-06-10 | 1976-03-09 | The United States Of America As Represented By The Secretary Of The Army | High frequency optically coupled differential voltage probe with logarithmic response |
-
1976
- 1976-06-21 US US05/698,128 patent/US4032843A/en not_active Expired - Lifetime
-
1977
- 1977-06-02 SE SE7706475A patent/SE441139B/xx not_active IP Right Cessation
- 1977-06-14 DE DE19772726705 patent/DE2726705A1/de not_active Ceased
- 1977-06-14 CA CA280,529A patent/CA1077141A/en not_active Expired
- 1977-06-16 GB GB25222/77A patent/GB1533072A/en not_active Expired
- 1977-06-17 FR FR7718659A patent/FR2356147A1/fr active Granted
- 1977-06-21 BE BE2056014A patent/BE855899A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
US4032843A (en) | 1977-06-28 |
BE855899A (fr) | 1977-12-21 |
SE7706475L (sv) | 1977-12-22 |
FR2356147B3 (xx) | 1980-03-07 |
CA1077141A (en) | 1980-05-06 |
GB1533072A (en) | 1978-11-22 |
DE2726705A1 (de) | 1977-12-22 |
FR2356147A1 (fr) | 1978-01-20 |
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Legal Events
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NUG | Patent has lapsed |
Ref document number: 7706475-6 Effective date: 19890725 Format of ref document f/p: F |