CH681491A5 - - Google Patents
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- Publication number
- CH681491A5 CH681491A5 CH1185/89A CH118589A CH681491A5 CH 681491 A5 CH681491 A5 CH 681491A5 CH 1185/89 A CH1185/89 A CH 1185/89A CH 118589 A CH118589 A CH 118589A CH 681491 A5 CH681491 A5 CH 681491A5
- Authority
- CH
- Switzerland
- Prior art keywords
- pulse
- input
- resistor
- capacitor
- resistors
- 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
- 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)
- Amplifiers (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1185/89A CH681491A5 (US06373033-20020416-M00071.png) | 1989-03-31 | 1989-03-31 | |
EP19900101576 EP0389749A3 (de) | 1989-03-31 | 1990-01-26 | Anordnung zum Messen einer elektrischen Leistung oder Energie |
US07/498,345 US5032785A (en) | 1989-03-31 | 1990-03-23 | Arrangement for measuring an electrical power or energy |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1185/89A CH681491A5 (US06373033-20020416-M00071.png) | 1989-03-31 | 1989-03-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH681491A5 true CH681491A5 (US06373033-20020416-M00071.png) | 1993-03-31 |
Family
ID=4204494
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1185/89A CH681491A5 (US06373033-20020416-M00071.png) | 1989-03-31 | 1989-03-31 |
Country Status (3)
Country | Link |
---|---|
US (1) | US5032785A (US06373033-20020416-M00071.png) |
EP (1) | EP0389749A3 (US06373033-20020416-M00071.png) |
CH (1) | CH681491A5 (US06373033-20020416-M00071.png) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US5298857A (en) * | 1992-04-06 | 1994-03-29 | Landis & Gyr Metering, Inc. | Electrical energy meter with a precision integrator for current measurement |
FR2690573B1 (fr) * | 1992-04-28 | 1997-05-09 | Merlin Gerin | Dispositif de controle de defaut homopolaire dans un reseau de distribution electrique. |
FR2692086B1 (fr) * | 1992-06-03 | 1995-10-06 | Electricite De France | Procede et dispositif de protection selective contre les defauts a la terre d'un reseau electrique. |
US5469321A (en) * | 1992-11-13 | 1995-11-21 | Stupak, Jr.; Joseph J. | Magnetizing device having variable charge storage network and voltage control |
JPH09113203A (ja) * | 1995-10-16 | 1997-05-02 | Toyoda Mach Works Ltd | 差動トランスおよびそれを用いた測定装置 |
WO1998018013A2 (en) | 1996-10-22 | 1998-04-30 | Abb Power T & D Company Inc. | Energy meter with power quality monitoring and diagnostic systems |
US7081762B2 (en) * | 2003-07-31 | 2006-07-25 | Lsi Logic Corporation | Method and apparatus for measuring high speed glitch energy in an integrated circuit |
US7173503B1 (en) * | 2004-07-29 | 2007-02-06 | Lockheed Martin Corporation | Multibit phase shifter with active and passive phase bits, and active phase bit therefor |
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 |
US7397234B2 (en) | 2005-12-19 | 2008-07-08 | Silicon Laboratories Inc. | Current sensor with reset circuit |
US7679162B2 (en) * | 2005-12-19 | 2010-03-16 | Silicon Laboratories Inc. | Integrated current sensor package |
US7362086B2 (en) * | 2005-12-19 | 2008-04-22 | Silicon Laboratories Inc. | Integrated current sensor |
US7990132B2 (en) * | 2006-06-30 | 2011-08-02 | Silicon Laboratories Inc. | Current sensor including an integrated circuit die including a first and second coil |
US7821251B2 (en) * | 2006-12-12 | 2010-10-26 | Silicon Laboratories Inc. | Current sensor |
US7728578B2 (en) * | 2008-05-15 | 2010-06-01 | Silicon Laboratories Inc. | Method and apparatus for high current measurement |
KR101353005B1 (ko) | 2009-05-07 | 2014-01-21 | 버지니아 일렉트릭 앤드 파워 컴퍼니 | 개선된 미터링 인프라구조 및 변전소 중앙 전압 제어를 이용한 전압 보존 |
US8907658B2 (en) | 2012-04-19 | 2014-12-09 | Kohler, Inc. | System and method of measuring power produced by a power source |
US9563218B2 (en) | 2013-03-15 | 2017-02-07 | Dominion Resources, Inc. | Electric power system control with measurement of energy demand and energy efficiency using t-distributions |
US9582020B2 (en) | 2013-03-15 | 2017-02-28 | Dominion Resources, Inc. | Maximizing of energy delivery system compatibility with voltage optimization using AMI-based data control and analysis |
US9553453B2 (en) | 2013-03-15 | 2017-01-24 | Dominion Resources, Inc. | Management of energy demand and energy efficiency savings from voltage optimization on electric power systems using AMI-based data analysis |
US9847639B2 (en) | 2013-03-15 | 2017-12-19 | Dominion Energy, Inc. | Electric power system control with measurement of energy demand and energy efficiency |
US9678520B2 (en) | 2013-03-15 | 2017-06-13 | Dominion Resources, Inc. | Electric power system control with planning of energy demand and energy efficiency using AMI-based data analysis |
US10732656B2 (en) | 2015-08-24 | 2020-08-04 | Dominion Energy, Inc. | Systems and methods for stabilizer control |
CN109541273B (zh) * | 2018-12-25 | 2021-01-22 | 李可 | 一种智能家电电能计量装置 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH462953A (de) * | 1967-09-14 | 1968-09-30 | Landis & Gyr Ag | Elektronische Leistungsmesseinrichtung |
JPS581388B2 (ja) * | 1978-07-06 | 1983-01-11 | 株式会社東芝 | 電力量計 |
US4182983A (en) * | 1978-07-11 | 1980-01-08 | Westinghouse Electric Corp. | Electronic AC electric energy measuring circuit |
DE2938238A1 (de) * | 1979-09-21 | 1981-04-09 | Siemens AG, 1000 Berlin und 8000 München | Elektronischer drehstrom-elektrizitaetszaehler fuer das kondensatorumladungsverfahren |
CH653778A5 (de) * | 1980-05-02 | 1986-01-15 | Landis & Gyr Ag | Schaltungsanordnung zur ueberwachung eines statischen elektrizitaetszaehlers. |
US4463311A (en) * | 1980-05-29 | 1984-07-31 | Tokyo Shibaura Denki Kabushiki Kaisha | Electronic electric-energy meter |
JPS571972A (en) * | 1980-06-04 | 1982-01-07 | Toshiba Corp | Electronic type electric energy meter |
CA1199070A (en) * | 1980-10-06 | 1986-01-07 | Prentice G. Moore | Electronic watt/var transducer |
JPS57146121U (US06373033-20020416-M00071.png) * | 1981-03-06 | 1982-09-14 | ||
US4356446A (en) * | 1981-03-23 | 1982-10-26 | Transdata, Inc. | Time division multiplier transducer with selective phase shift |
US4408283A (en) * | 1981-06-08 | 1983-10-04 | Transdata, Inc. | Time division multiplier transducer with digitally derived phase shift adjustment for reactive power and energy measurement |
GB8805245D0 (en) * | 1988-03-04 | 1988-04-07 | Cambridge Consultants | Active current transformer |
-
1989
- 1989-03-31 CH CH1185/89A patent/CH681491A5/de not_active IP Right Cessation
-
1990
- 1990-01-26 EP EP19900101576 patent/EP0389749A3/de not_active Withdrawn
- 1990-03-23 US US07/498,345 patent/US5032785A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0389749A3 (de) | 1991-12-11 |
US5032785A (en) | 1991-07-16 |
EP0389749A2 (de) | 1990-10-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |