WO2000033230A1 - System and method for frequency compensation in an energy meter - Google Patents
System and method for frequency compensation in an energy meter Download PDFInfo
- Publication number
- WO2000033230A1 WO2000033230A1 PCT/US1999/024325 US9924325W WO0033230A1 WO 2000033230 A1 WO2000033230 A1 WO 2000033230A1 US 9924325 W US9924325 W US 9924325W WO 0033230 A1 WO0033230 A1 WO 0033230A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- phase
- quadrature
- ideal
- frequency
- waveform
- Prior art date
Links
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
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/133—Arrangements for measuring electric power or power factor by using digital technique
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/16—Spectrum analysis; Fourier analysis
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Measuring Frequencies, Analyzing Spectra (AREA)
- Measurement Of Current Or Voltage (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Measuring Phase Differences (AREA)
Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ROA200100373A RO122167B1 (en) | 1998-11-30 | 1999-10-19 | System and method for compensating frequency in an energy meter |
KR10-2000-7014173A KR100537018B1 (en) | 1998-11-30 | 1999-10-19 | System and Method for Frequency Compensation in an Energy Meter |
GB0027231A GB2353603B (en) | 1998-11-30 | 1999-10-19 | System and method for frequency compensation in an energy meter |
AU12104/00A AU759635B2 (en) | 1998-11-30 | 1999-10-19 | System and method for frequency compensation in an energy meter |
CA002344425A CA2344425C (en) | 1998-11-30 | 1999-10-19 | System and method for frequency compensation in an energy meter |
DE19983488T DE19983488B4 (en) | 1998-11-30 | 1999-10-19 | System and method for frequency compensation in an energy meter |
EP99973141A EP1200925B1 (en) | 1998-11-30 | 1999-10-19 | System and method for frequency compensation in an energy meter |
DE69938198T DE69938198T2 (en) | 1998-11-30 | 1999-10-19 | SYSTEM AND METHOD FOR FREQUENCY COMPENSATION IN AN ENERGY METER |
HK01105600A HK1035031A1 (en) | 1998-11-30 | 2001-08-10 | System and method for frequency compensation in an energy meter |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/201,640 | 1998-11-30 | ||
US09/201,640 US6128584A (en) | 1998-11-30 | 1998-11-30 | System and method for frequency compensation in an energy meter |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000033230A1 true WO2000033230A1 (en) | 2000-06-08 |
Family
ID=22746651
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1999/024325 WO2000033230A1 (en) | 1998-11-30 | 1999-10-19 | System and method for frequency compensation in an energy meter |
Country Status (13)
Country | Link |
---|---|
US (1) | US6128584A (en) |
EP (1) | EP1200925B1 (en) |
KR (1) | KR100537018B1 (en) |
AT (1) | ATE386946T1 (en) |
AU (1) | AU759635B2 (en) |
BR (1) | BR9916148A (en) |
CA (1) | CA2344425C (en) |
DE (2) | DE69938198T2 (en) |
GB (1) | GB2353603B (en) |
HK (1) | HK1035031A1 (en) |
RO (1) | RO122167B1 (en) |
RU (1) | RU2240567C2 (en) |
WO (1) | WO2000033230A1 (en) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5631554A (en) * | 1993-03-26 | 1997-05-20 | Schlumberger Industries, Inc. | Electronic metering device including automatic service sensing |
US6112158A (en) * | 1996-08-01 | 2000-08-29 | Siemens Power Transmission & Distribution, Llc | Service type recognition in electrical utility meter |
US6516279B1 (en) * | 2000-05-18 | 2003-02-04 | Rockwell Automation Technologies, Inc. | Method and apparatus for calculating RMS value |
GB2369190B (en) * | 2000-11-21 | 2004-07-14 | Ubinetics Ltd | Method and apparatus for estimating the phase of a signal |
US6946972B2 (en) * | 2001-01-25 | 2005-09-20 | Smartsynch, Inc. | Systems and methods for wirelessly transmitting data from a utility meter |
AU2005322423B2 (en) * | 2004-12-29 | 2010-11-04 | Micro Motion, Inc. | High speed frequency and phase estimation for flow meters |
US7756651B2 (en) * | 2006-05-05 | 2010-07-13 | Elster Electricity, Llc | Fractional sampling of electrical energy |
DE102007054306B4 (en) * | 2007-11-08 | 2010-04-22 | Siemens Ag | Method for analyzing alternating voltage signals |
CN201811997U (en) * | 2007-11-13 | 2011-04-27 | 艾默生环境优化技术有限公司 | Three-phase detection equipment |
US20090287428A1 (en) * | 2008-05-13 | 2009-11-19 | Elster Electricity, Llc | Fractional samples to improve metering and instrumentation |
EP3410554B1 (en) * | 2009-01-14 | 2019-12-11 | Accenture Global Services Limited | Distribution system analysis using meter data |
RU2474833C1 (en) * | 2011-09-05 | 2013-02-10 | Олег Фёдорович Меньших | Device to inspect sensitivity of three-phase digital devices of power metering |
US9759751B1 (en) * | 2012-01-12 | 2017-09-12 | Cirrus Logic, Inc. | Line cycle correlated spectral analysis for power measurement systems |
RU2577549C2 (en) * | 2014-09-09 | 2016-03-20 | Гарри Романович Аванесян | Method of measuring parameters of sinusoidal voltage and meter therefor (versions) |
RU2619134C1 (en) * | 2015-12-03 | 2017-05-12 | федеральное государственное автономное образовательное учреждение высшего образования "Северо-Кавказский федеральный университет" | Method of measurement synchronization in electric networks by frequency and voltage phase of power network |
JP7062355B2 (en) * | 2016-11-28 | 2022-05-06 | キヤノン株式会社 | Voltage detection device, power detection device and image forming device |
US10459856B2 (en) * | 2016-12-30 | 2019-10-29 | Itron, Inc. | Variable acquisition buffer length |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4319329A (en) * | 1980-02-21 | 1982-03-09 | Iowa State University Research Foundation, Inc. | Frequency measuring and monitoring apparatus, methods and systems |
US5537333A (en) * | 1992-02-21 | 1996-07-16 | Abb Power T&D Company Inc. | Method of determining power measurements in an electrical energy meter |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2198246B (en) * | 1986-11-15 | 1991-05-08 | Schlumberger Ind Ltd | Improvements in or relating to frequency response analysis |
US4884021A (en) * | 1987-04-24 | 1989-11-28 | Transdata, Inc. | Digital power metering |
DE3825160A1 (en) * | 1988-07-23 | 1990-01-25 | Rohde & Schwarz | Measuring instrument for radio-frequency signals |
US5517106A (en) * | 1989-08-07 | 1996-05-14 | Digital Kwh, Inc. | Method and apparatus for digitally measuring electrical power |
US5537029A (en) * | 1992-02-21 | 1996-07-16 | Abb Power T&D Company Inc. | Method and apparatus for electronic meter testing |
US5298859A (en) * | 1992-02-25 | 1994-03-29 | Basic Measuring Instruments | Harmonic-adjusted watt-hour meter |
JPH09243679A (en) * | 1996-03-05 | 1997-09-19 | Takayoshi Hirata | Anharmonic frequency analytical method using arbitrary section waveform |
RO120431B1 (en) * | 1996-10-22 | 2006-01-30 | Abb Power T & D Company Inc. | Electric energy meter |
-
1998
- 1998-11-30 US US09/201,640 patent/US6128584A/en not_active Expired - Lifetime
-
1999
- 1999-10-19 EP EP99973141A patent/EP1200925B1/en not_active Expired - Lifetime
- 1999-10-19 RO ROA200100373A patent/RO122167B1/en unknown
- 1999-10-19 CA CA002344425A patent/CA2344425C/en not_active Expired - Fee Related
- 1999-10-19 WO PCT/US1999/024325 patent/WO2000033230A1/en active IP Right Grant
- 1999-10-19 DE DE69938198T patent/DE69938198T2/en not_active Expired - Lifetime
- 1999-10-19 GB GB0027231A patent/GB2353603B/en not_active Expired - Lifetime
- 1999-10-19 BR BR9916148-6A patent/BR9916148A/en not_active IP Right Cessation
- 1999-10-19 AT AT99973141T patent/ATE386946T1/en not_active IP Right Cessation
- 1999-10-19 AU AU12104/00A patent/AU759635B2/en not_active Ceased
- 1999-10-19 KR KR10-2000-7014173A patent/KR100537018B1/en not_active IP Right Cessation
- 1999-10-19 RU RU2001108386/09A patent/RU2240567C2/en not_active IP Right Cessation
- 1999-10-19 DE DE19983488T patent/DE19983488B4/en not_active Expired - Fee Related
-
2001
- 2001-08-10 HK HK01105600A patent/HK1035031A1/en not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4319329A (en) * | 1980-02-21 | 1982-03-09 | Iowa State University Research Foundation, Inc. | Frequency measuring and monitoring apparatus, methods and systems |
US5537333A (en) * | 1992-02-21 | 1996-07-16 | Abb Power T&D Company Inc. | Method of determining power measurements in an electrical energy meter |
US5548527A (en) * | 1992-02-21 | 1996-08-20 | Abb Power T&D Company Inc. | Programmable electrical energy meter utilizing a non-volatile memory |
US5555508A (en) * | 1992-02-21 | 1996-09-10 | Abb Power T&D Company Inc. | Programmable electrical energy meter and methods therefor |
Also Published As
Publication number | Publication date |
---|---|
EP1200925B1 (en) | 2008-02-20 |
DE69938198D1 (en) | 2008-04-03 |
HK1035031A1 (en) | 2001-11-09 |
KR20010052843A (en) | 2001-06-25 |
DE19983488T1 (en) | 2003-06-18 |
RU2240567C2 (en) | 2004-11-20 |
US6128584A (en) | 2000-10-03 |
EP1200925A4 (en) | 2005-05-11 |
AU1210400A (en) | 2000-06-19 |
CA2344425A1 (en) | 2000-06-08 |
GB2353603B (en) | 2003-02-12 |
DE19983488B4 (en) | 2006-09-28 |
DE69938198T2 (en) | 2009-02-19 |
GB2353603A (en) | 2001-02-28 |
AU759635B2 (en) | 2003-04-17 |
ATE386946T1 (en) | 2008-03-15 |
GB0027231D0 (en) | 2000-12-27 |
BR9916148A (en) | 2001-09-04 |
EP1200925A1 (en) | 2002-05-02 |
CA2344425C (en) | 2003-08-05 |
RO122167B1 (en) | 2009-01-30 |
KR100537018B1 (en) | 2005-12-16 |
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