SE8400911L - Krets for alstring av en signal representerande tidsintegrerade produkten av tva insignaler - Google Patents
Krets for alstring av en signal representerande tidsintegrerade produkten av tva insignalerInfo
- Publication number
- SE8400911L SE8400911L SE8400911A SE8400911A SE8400911L SE 8400911 L SE8400911 L SE 8400911L SE 8400911 A SE8400911 A SE 8400911A SE 8400911 A SE8400911 A SE 8400911A SE 8400911 L SE8400911 L SE 8400911L
- Authority
- SE
- Sweden
- Prior art keywords
- multiplier
- wire
- electronic circuit
- shunt
- circuit
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/127—Arrangements for measuring electric power or power factor by using pulse modulation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
- Networks Using Active Elements (AREA)
- Protection Of Static Devices (AREA)
- Emergency Protection Circuit Devices (AREA)
Claims (1)
1. Elektronisk Crete far alstring an en utgaagssignal representativ far tidsintegralen an produkten an tv& ingangssignaler, C annetecknad darav, att den innefattar: en multiplikator far mottagning och hopmultiplieering an de bada ingangssignalerna far alstring an en signal son ar beroende an produkten an de tvE ingangssignalerna; on omvandlarkrets anordnad att omvandla den produkt-beroende signalen till en digital signal representativ far storleken av den produkt-beroende signalen; och organ for ackumulering an namnda digitala signaler i och far alstring an ute.ngssignalen; och ytterligare innefattande organ far repetitiv och samtidig omkastning av den effektiva polariteten av en av ingangssignalerna oeh den polaritet med vilken n4mnda digitala signaler ackumuleras, for vasentlig reducering an fel i utgangssignalen pa grund an drift i multiplikatorn. av
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB20564/77A GB1603648A (en) | 1977-05-16 | 1977-05-16 | Electronic devices for producing an output signal related to electrical power |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8400911D0 SE8400911D0 (sv) | 1984-02-20 |
SE8400911L true SE8400911L (sv) | 1984-02-20 |
Family
ID=10147997
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7805491A SE434889B (sv) | 1977-05-16 | 1978-05-12 | Elektronisk watt-timmemetare |
SE8400911A SE8400911L (sv) | 1977-05-16 | 1984-02-20 | Krets for alstring av en signal representerande tidsintegrerade produkten av tva insignaler |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7805491A SE434889B (sv) | 1977-05-16 | 1978-05-12 | Elektronisk watt-timmemetare |
Country Status (26)
Country | Link |
---|---|
US (2) | US4359684A (sv) |
JP (1) | JPS5417776A (sv) |
AR (1) | AR230118A1 (sv) |
AT (1) | AT393039B (sv) |
AU (1) | AU519765B2 (sv) |
BE (1) | BE867034A (sv) |
BR (1) | BR7803083A (sv) |
CH (2) | CH634415A5 (sv) |
DD (1) | DD135538A5 (sv) |
DE (1) | DE2821225A1 (sv) |
EG (1) | EG13485A (sv) |
ES (2) | ES469767A1 (sv) |
FR (1) | FR2391474A1 (sv) |
GB (1) | GB1603648A (sv) |
HK (3) | HK42786A (sv) |
HU (1) | HU182022B (sv) |
IE (1) | IE46783B1 (sv) |
IN (1) | IN152449B (sv) |
IT (1) | IT1096087B (sv) |
MX (1) | MX144625A (sv) |
NL (2) | NL183424C (sv) |
NZ (1) | NZ187275A (sv) |
PL (1) | PL128624B1 (sv) |
SE (2) | SE434889B (sv) |
YU (2) | YU44092B (sv) |
ZA (1) | ZA782510B (sv) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3165143D1 (en) * | 1980-02-07 | 1984-09-06 | Schlumberger Electronics Uk | Electricity meters |
FR2476324A1 (fr) * | 1980-02-19 | 1981-08-21 | Enertec | Dispositif electronique de mesure pour reseau polyphase et utilisation dans un compteur d'energie electrique |
US4700188A (en) * | 1985-01-29 | 1987-10-13 | Micronic Interface Technologies | Electric power measurement system and hall effect based electric power meter for use therein |
US4786862A (en) * | 1986-06-09 | 1988-11-22 | Niagara Mohawk Power Corporation | Watchdog circuit for transmission line sensor module |
GB8614620D0 (en) * | 1986-06-16 | 1986-07-23 | Schlumberger Electronics Uk | Commodity metering systems |
GB8624926D0 (en) * | 1986-10-17 | 1986-11-19 | Gen Electric Co Plc | Electric power measuring devices |
US4998061A (en) * | 1987-09-21 | 1991-03-05 | Landis & Gyr Metering, Inc. | Watthour meter with temperature compensation for wye connected systems |
US4896106A (en) * | 1987-09-21 | 1990-01-23 | Landis & Gyr Metering, Inc. | Watthour meter for wye connected systems |
US4896105A (en) * | 1988-03-25 | 1990-01-23 | Westinghouse Electric Corp. | AC electric energy meter having drive circuit including stepper motor for driving mechanical register |
GB8920446D0 (en) * | 1989-09-09 | 1989-10-25 | Schlumberger Ind Ltd | Electricity metering systems |
FR2670295B1 (fr) * | 1990-12-07 | 1993-01-22 | Schlumberger Ind Sa | Dispositif de mesure electrique a double configuration de branchement. |
US5537029A (en) | 1992-02-21 | 1996-07-16 | Abb Power T&D Company Inc. | Method and apparatus for electronic meter testing |
US5457621A (en) | 1992-02-21 | 1995-10-10 | Abb Power T&D Company Inc. | Switching power supply having voltage blocking clamp |
US5396168A (en) * | 1992-03-27 | 1995-03-07 | Tandy Corporation | Digital multimeter with microprocessor control |
US5701253A (en) * | 1995-04-04 | 1997-12-23 | Schlumberger Industries, Inc. | Isolated current shunt transducer |
US5572396A (en) * | 1995-04-21 | 1996-11-05 | Ekstrom Industries, Inc. | Electric service safety disconnect apparatus with overvoltage and overcurrent protection |
KR0167826B1 (ko) * | 1995-11-30 | 1999-03-20 | 이종훈 | 광 전력용 변성기를 이용한 광전자식 전력량계 |
CA2269499C (en) | 1996-10-22 | 2006-03-28 | Abb Power T & D Company Inc. | Energy meter with power quality monitoring and diagnostic systems |
FR2757274B1 (fr) * | 1996-12-13 | 1999-01-29 | Schlumberger Ind Sa | Appareil de mesure pour un compteur d'electricite |
US6563926B1 (en) * | 1999-07-27 | 2003-05-13 | Nortel Networks Limited | Resetting surge protection in telephone line interface circuits |
DE10036735C2 (de) * | 2000-07-27 | 2002-07-11 | Infineon Technologies Ag | Multipliziererschaltung mit Offset-Kompensation und Quadrikorrelator |
US7091878B2 (en) * | 2001-02-28 | 2006-08-15 | Landis+Gyr, Inc. | Electrical service disconnect having tamper detection |
US7775422B2 (en) | 2003-06-13 | 2010-08-17 | Arad Measuring Technologies Ltd. | Meter register and remote meter reader utilizing a stepper motor |
US7355867B2 (en) | 2004-08-17 | 2008-04-08 | Elster Electricity, Llc | Power supply for an electric meter having a high-voltage regulator that limits the voltage applied to certain components below the normal operating input voltage |
US7267014B2 (en) | 2004-09-23 | 2007-09-11 | Arad Measuring Technologies Ltd. | Meter register having an encoder |
WO2006105364A2 (en) * | 2005-03-31 | 2006-10-05 | Rain Bird Corporation | Drip emitter |
EP2209013B1 (de) | 2009-01-17 | 2016-11-09 | EMH metering GmbH & Co. KG | Elektronischer Mehrphasenzähler |
US8598885B2 (en) * | 2011-10-18 | 2013-12-03 | Hartman Van Wyk | Instrumentation circuit for shunt-based metrology measurement |
US11262981B2 (en) * | 2017-11-17 | 2022-03-01 | Semiconductor Energy Laboratory Co., Ltd. | Addition method, semiconductor device, and electronic device |
CN113835674A (zh) * | 2021-08-06 | 2021-12-24 | 国网浙江省电力有限公司营销服务中心 | 一种可变速率的电能表计量用四象限乘法器 |
Family Cites Families (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2724821A (en) * | 1954-07-19 | 1955-11-22 | Schweitzer Mfg Co E | Remote measuring system |
US3002690A (en) * | 1958-07-03 | 1961-10-03 | Honeywell Regulator Co | Continuous integrator |
US3226641A (en) * | 1961-12-05 | 1965-12-28 | Gen Electric | Electronic type converter for producting a d.c. signal proportional to watt input |
DE1294053B (de) * | 1962-12-05 | 1969-04-30 | Siemens Ag | Vorrichtung zur Umwandlung der Ausgangsspannung eines mit zwei gleichfrequenten Wechselspannungsgroessen gespeisten Hallmultiplikators in eine Impulsfolge gleicher Wertigkeit |
US3428896A (en) * | 1963-08-14 | 1969-02-18 | Schweitzer Edmund O Jun | System for transmitting to a remote point a signal that varies as a function of the current flow in a high voltage conductor |
US3432650A (en) * | 1964-11-10 | 1969-03-11 | Northern Electric Co | Signal multiplier providing an output signal substantially free of components proportional to the individual input signals |
GB1129521A (en) * | 1965-03-11 | 1968-10-09 | Solartron Electronic Group | Improvements in multiplicative modulator |
DE1264606B (de) * | 1966-01-31 | 1968-03-28 | Siemens Ag | Anordnung zur UEbertragung einer von einem auf der Hochspannungsseite fliessenden Strom gebildeten Messgroesse von der Hochspannungs-auf die Niederspannungsseite |
BE754839A (fr) * | 1969-10-22 | 1971-02-15 | Compteurs Comp D | Dispositif de conversion de deux grandeurs en nombre d'impulsions proportionnel a l'integrale de leur produit |
US3760273A (en) * | 1971-06-24 | 1973-09-18 | Mc Culloch Corp | Electronic watt hour meter |
US3764908A (en) * | 1972-03-06 | 1973-10-09 | Westinghouse Electric Corp | Electronic wattmeter including a solid-state logarithmic multiplier |
US3794917A (en) * | 1972-03-09 | 1974-02-26 | Esterline Corp | Electronic watt transducer |
US3780273A (en) * | 1972-06-12 | 1973-12-18 | Leeds & Northrup Co | Analog-to-digital wattmeter multiplier |
US3867620A (en) * | 1973-01-26 | 1975-02-18 | Princeton Applied Res Corp | Signal correlator with improved dynamic range |
US3875509A (en) * | 1973-05-17 | 1975-04-01 | Gen Electric | Electronic metering of active electrical energy |
CH559916A5 (sv) * | 1973-06-21 | 1975-03-14 | Hug Interlizenz Ag | |
US3875508A (en) * | 1973-09-07 | 1975-04-01 | Gen Electric | Metering electrical energy (kWh) in single phase systems |
DE2348667B2 (de) * | 1973-09-27 | 1975-08-14 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Elektronischer kWh-Zähler |
DE2519668C3 (de) * | 1974-06-05 | 1979-01-18 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Anordnung zur Erzeugung einer dem Produkt zweier analoger elektrischer Größen proportionalen Folge von Impulsen |
US3955138A (en) * | 1974-11-06 | 1976-05-04 | General Electric Company | Electronic energy consumption meter with input transformer having single resistance terminated secondary winding coupled to C-MOS switches driven by pulse width modulated control signals |
US3975682A (en) * | 1974-12-13 | 1976-08-17 | Esterline Corporation | Watt/watthour transducer and integrator and current sources therefor |
US4055804A (en) * | 1974-12-13 | 1977-10-25 | Mayfield Glenn A | Watt/watthour transducer and amplifier-filter therefor |
US3976942A (en) * | 1974-12-13 | 1976-08-24 | Esterline Corporation | Watt/watt hour transducer having current signals and a modulator therefor |
YU35812B (en) * | 1975-03-26 | 1981-06-30 | Iskra Zp Z O Sub O | Voltage/frequency converter circuit |
US4027241A (en) * | 1976-05-19 | 1977-05-31 | Westinghouse Electric Corporation | Solid state watt and var transducer |
US4053832A (en) * | 1976-05-24 | 1977-10-11 | National Semiconductor Corporation | A.C. power meter |
US4080568A (en) * | 1976-06-14 | 1978-03-21 | Roy B. Fitch, Jr. | Energy monitoring device |
US4055803A (en) * | 1976-09-27 | 1977-10-25 | Kraley Raymond L | Combined watt and var transducer |
US4056774A (en) * | 1976-10-29 | 1977-11-01 | Westinghouse Electric Corporation | Electronic watthour meter circuit |
US4074194A (en) * | 1977-02-28 | 1978-02-14 | Wilkerson A W | Watt meter providing electrical signal proportional to power |
US4138649A (en) * | 1977-03-25 | 1979-02-06 | Emerson Electric Co. | Amplifier system |
DE2715283C2 (de) * | 1977-04-05 | 1983-05-11 | Siemens AG, 1000 Berlin und 8000 München | Elektronischer Drehstromzähler |
DE2715321A1 (de) * | 1977-04-05 | 1978-10-12 | Siemens Ag | Nach dem impulsbreiten-impulshoehen- modulationsverfahren arbeitender elektronischer drehstromzaehler |
US4079313A (en) * | 1977-04-18 | 1978-03-14 | Allen-Bradley Company | Digital watts transducer |
US4197582A (en) * | 1978-03-31 | 1980-04-08 | Westinghouse Electric Corp. | Auxiliary power supply and timer arrangement for time registering multifunctional electric energy meters |
-
0
- NL NLAANVRAGE7805249,A patent/NL183424B/xx unknown
-
1977
- 1977-05-16 GB GB20564/77A patent/GB1603648A/en not_active Expired
-
1978
- 1978-05-02 ZA ZA00782510A patent/ZA782510B/xx unknown
- 1978-05-04 YU YU1065/78A patent/YU44092B/xx unknown
- 1978-05-05 AU AU35825/78A patent/AU519765B2/en not_active Expired
- 1978-05-11 FR FR7813998A patent/FR2391474A1/fr active Granted
- 1978-05-12 AT AT3492/78A patent/AT393039B/de not_active IP Right Cessation
- 1978-05-12 ES ES469767A patent/ES469767A1/es not_active Expired
- 1978-05-12 SE SE7805491A patent/SE434889B/sv not_active IP Right Cessation
- 1978-05-12 BE BE187658A patent/BE867034A/xx not_active IP Right Cessation
- 1978-05-12 US US05/905,450 patent/US4359684A/en not_active Expired - Lifetime
- 1978-05-15 IE IE972/78A patent/IE46783B1/en not_active IP Right Cessation
- 1978-05-15 NZ NZ187275A patent/NZ187275A/xx unknown
- 1978-05-15 IN IN522/CAL/78A patent/IN152449B/en unknown
- 1978-05-16 CH CH528478A patent/CH634415A5/fr not_active IP Right Cessation
- 1978-05-16 NL NLAANVRAGE7805249,A patent/NL183424C/xx not_active IP Right Cessation
- 1978-05-16 DD DD78205400A patent/DD135538A5/xx not_active IP Right Cessation
- 1978-05-16 IT IT23465/78A patent/IT1096087B/it active
- 1978-05-16 BR BR787803083A patent/BR7803083A/pt unknown
- 1978-05-16 PL PL1978206834A patent/PL128624B1/pl unknown
- 1978-05-16 JP JP5815178A patent/JPS5417776A/ja active Granted
- 1978-05-16 DE DE19782821225 patent/DE2821225A1/de active Granted
- 1978-05-16 AR AR272203A patent/AR230118A1/es active
- 1978-05-16 EG EG312/78A patent/EG13485A/xx active
- 1978-05-29 MX MX173581A patent/MX144625A/es unknown
- 1978-06-16 HU HU78EE2567A patent/HU182022B/hu unknown
-
1979
- 1979-03-01 ES ES478234A patent/ES478234A1/es not_active Expired
-
1981
- 1981-12-11 CH CH794581A patent/CH633899A5/fr not_active IP Right Cessation
-
1982
- 1982-09-06 YU YU02008/82A patent/YU200882A/xx unknown
- 1982-09-28 US US06/425,737 patent/US4500973A/en not_active Expired - Lifetime
-
1984
- 1984-02-20 SE SE8400911A patent/SE8400911L/sv not_active Application Discontinuation
-
1986
- 1986-06-05 HK HK427/86A patent/HK42786A/xx not_active IP Right Cessation
- 1986-06-05 HK HK429/86A patent/HK42986A/xx not_active IP Right Cessation
- 1986-06-05 HK HK428/86A patent/HK42886A/xx not_active IP Right Cessation
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
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