ZA927013B - Power meter. - Google Patents

Power meter.

Info

Publication number
ZA927013B
ZA927013B ZA927013A ZA927013A ZA927013B ZA 927013 B ZA927013 B ZA 927013B ZA 927013 A ZA927013 A ZA 927013A ZA 927013 A ZA927013 A ZA 927013A ZA 927013 B ZA927013 B ZA 927013B
Authority
ZA
South Africa
Prior art keywords
power meter
meter
power
Prior art date
Application number
ZA927013A
Other languages
English (en)
Inventor
Kenneth Payne
Roger Henry King
David Alexander Watson
Original Assignee
Ampy Automation Digilog
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ampy Automation Digilog filed Critical Ampy Automation Digilog
Publication of ZA927013B publication Critical patent/ZA927013B/xx

Links

Classifications

    • 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
    • G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G01R19/252—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques using analogue/digital converters of the type with conversion of voltage or current into frequency and measuring of this frequency
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
ZA927013A 1991-09-19 1992-09-14 Power meter. ZA927013B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9120012A GB2259779B (en) 1991-09-19 1991-09-19 Improved power meter

Publications (1)

Publication Number Publication Date
ZA927013B true ZA927013B (en) 1993-06-22

Family

ID=10701658

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA927013A ZA927013B (en) 1991-09-19 1992-09-14 Power meter.

Country Status (13)

Country Link
US (1) US5450007A (xx)
EP (1) EP0604493A1 (xx)
JP (1) JPH06510857A (xx)
AU (2) AU652667B2 (xx)
DE (1) DE604493T1 (xx)
ES (1) ES2058051T1 (xx)
FI (1) FI935017A (xx)
GB (3) GB2286250B (xx)
GR (1) GR940300076T1 (xx)
HK (1) HK120796A (xx)
NO (1) NO940846L (xx)
WO (1) WO1993006493A1 (xx)
ZA (1) ZA927013B (xx)

Families Citing this family (45)

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US5483656A (en) * 1993-01-14 1996-01-09 Apple Computer, Inc. System for managing power consumption of devices coupled to a common bus
GB2276011B (en) * 1993-03-13 1997-05-14 Ampy Automation Digilog Improvements in and relating to power meters
GB2285695B (en) * 1993-03-13 1997-05-21 Ampy Automation Digilog Power Measuring Method
AU4519596A (en) * 1994-12-22 1996-07-10 Intel Corporation Power budgeting with device specific characterization of power consumption
US6291985B1 (en) * 1995-10-16 2001-09-18 E. William Bush Demand-relay-reporting electronic wattmeter without a current transformer sensor
US5726901A (en) * 1996-01-25 1998-03-10 Dell Usa, L.P. System for reporting computer energy consumption
US5710503A (en) * 1996-02-01 1998-01-20 Aims Systems, Inc. On-line battery monitoring system with defective cell detection capability
GB2312962B (en) * 1996-04-18 2000-11-15 Siemens Measurements Ltd Improvements in or relating to commodity meters
US6067029A (en) * 1997-03-04 2000-05-23 Durston; Tom Power check meter
FR2766304B1 (fr) * 1997-07-17 1999-10-01 Schlumberger Ind Sa Circuit d'alimentation pour un compteur d'electricite
US6262672B1 (en) * 1998-08-14 2001-07-17 General Electric Company Reduced cost automatic meter reading system and method using locally communicating utility meters
IT1304989B1 (it) * 1998-09-15 2001-04-05 Urmet Costruzioni Elettro Tele Perfezionamento ai sistemi per la trasmissione bidirezionale, senzacontatti, di dati ed energia tra un lettore ed una carta chip,
FR2793030B1 (fr) * 1999-04-30 2001-06-15 Schneider Electric Ind Sa Dispositif de controle d'energie a prepaiement comportant un shunt de mesure
US6529883B1 (en) * 1999-08-20 2003-03-04 Motorola, Inc. Prepayment energy metering system with two-way smart card communications
CN2397497Y (zh) * 1999-11-23 2000-09-20 北京科博智能仪表有限责任公司 具有新型电源模块的电度表
US6735535B1 (en) * 2000-05-05 2004-05-11 Electro Industries/Gauge Tech. Power meter having an auto-calibration feature and data acquisition capabilities
BG64684B1 (bg) * 2001-05-08 2005-11-30 "Уникоммикросистеми" Еоод Устройство за измерване и контрол на консумацията на активна електроенергия
EP1278071A3 (de) * 2001-07-20 2004-02-11 ENSECO GmbH Einrichtung zur Messung des fliessenden elektrischen Stromes in mindestens einem elektrischen Leiter und Verfahren zur Fehlerkorrektur von solchen Einrichtungen
EP1278073A1 (de) * 2001-07-20 2003-01-22 ENSECO GmbH Einrichtung zur Messung des fliessenden elektrischen Stromes in mindestens einem elektrischen Leiter und Verfahren zur Fehlerkorrektur von solchen Einrichtungen
KR100471181B1 (ko) * 2002-08-20 2005-03-10 삼성전자주식회사 소모 전력에 따라 동작 성능을 최적화할 수 있는 집적회로 장치
US20050030015A1 (en) * 2003-07-22 2005-02-10 Airak, Inc. System and method for distributed monitoring of surroundings using telemetry of data from remote sensors
US7304586B2 (en) 2004-10-20 2007-12-04 Electro Industries / Gauge Tech On-line web accessed energy meter
US9080894B2 (en) 2004-10-20 2015-07-14 Electro Industries/Gauge Tech Intelligent electronic device for receiving and sending data at high speeds over a network
US7747733B2 (en) 2004-10-25 2010-06-29 Electro Industries/Gauge Tech Power meter having multiple ethernet ports
US7271996B2 (en) * 2004-12-03 2007-09-18 Electro Industries/Gauge Tech Current inputs interface for an electrical device
US8620608B2 (en) 2005-01-27 2013-12-31 Electro Industries/Gauge Tech Intelligent electronic device and method thereof
US8160824B2 (en) 2005-01-27 2012-04-17 Electro Industries/Gauge Tech Intelligent electronic device with enhanced power quality monitoring and communication capabilities
US8190381B2 (en) 2005-01-27 2012-05-29 Electro Industries/Gauge Tech Intelligent electronic device with enhanced power quality monitoring and communications capabilities
GB2424286B (en) * 2005-03-18 2009-07-01 Polymeters Response Internat L Tamper proof utility metering
GB2431475A (en) * 2005-10-21 2007-04-25 Areva T & D Uk Ltd Power transmission system sampling module
GB0624599D0 (en) * 2006-12-09 2007-01-17 Aeristech Ltd Engine induction system
US8587949B2 (en) 2007-03-27 2013-11-19 Electro Industries/Gauge Tech Electronic meter having user-interface and central processing functionality on a single printed circuit board
US20130275066A1 (en) 2007-04-03 2013-10-17 Electro Industries/Gaugetech Digital power metering system
US9989618B2 (en) 2007-04-03 2018-06-05 Electro Industries/Gaugetech Intelligent electronic device with constant calibration capabilities for high accuracy measurements
US10845399B2 (en) 2007-04-03 2020-11-24 Electro Industries/Gaugetech System and method for performing data transfers in an intelligent electronic device
US20100283453A1 (en) * 2009-05-05 2010-11-11 POWRtec Methods for Calibrating an Electric Meter
US8907658B2 (en) 2012-04-19 2014-12-09 Kohler, Inc. System and method of measuring power produced by a power source
RU2533746C2 (ru) * 2013-02-27 2014-11-20 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Рыбинский государственный авиационный технический университет имени П.А. Соловьева" Цифровой измеритель мощности
US10161973B2 (en) * 2014-04-25 2018-12-25 Eurotherm Ltd System and method for measuring active power in a load without a load voltage
US9612133B2 (en) 2014-07-14 2017-04-04 International Technological University Smart meter system communication methods
US9000753B1 (en) * 2014-07-14 2015-04-07 International Technological University Smart meter voltage and current sensing using optically coupled isolators
US9383223B2 (en) 2014-07-14 2016-07-05 International Technological University Smart meter system architecture
FR3028619A1 (fr) * 2014-11-18 2016-05-20 Sagemcom Energy & Telecom Sas Compteur d'energie electrique comprenant un shunt de mesure
CN110244116B (zh) * 2018-03-19 2024-04-26 深圳市航智精密电子有限公司 直流瞬时功率的计量电路及其准同步计算方法
CN110297124B (zh) * 2019-08-06 2022-04-12 南方电网科学研究院有限责任公司 一种非接地式电压测量装置及方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE791143A (fr) * 1971-11-09 1973-03-01 Landis & Gyr Ag Circuit de mesure d'energie electrique
CH551013A (de) * 1972-06-07 1974-06-28 Landis & Gyr Ag Schaltungsanordnung zur produktbildung aus spannung und strom zwecks messung elektrischer energie.
US4250449A (en) * 1978-11-24 1981-02-10 Westinghouse Electric Corp. Digital electric energy measuring circuit
JPS5994166A (ja) * 1982-11-19 1984-05-30 Casio Comput Co Ltd 電子レジスタの登録方式
FR2551877B1 (fr) * 1983-09-13 1986-01-31 Enertec Compteur d'energie electrique notamment pour la tres haute tension
US4723212A (en) * 1984-07-18 1988-02-02 Catalina Marketing Corp. Method and apparatus for dispensing discount coupons
GB8426822D0 (en) * 1984-10-23 1984-11-28 Day S Static electricity meter
AU6425986A (en) * 1985-10-18 1987-04-30 Quantum Design Group Pty. Ltd. Remote monitoring and surveillance system
JPS62133596A (ja) * 1985-12-05 1987-06-16 富士通株式会社 金銭登録機
US4801874A (en) * 1987-02-27 1989-01-31 Process Systems, Inc. Method and apparatus for measuring electricity
JPS6462795A (en) * 1987-09-03 1989-03-09 Tokyo Electric Co Ltd Goods sales data processor

Also Published As

Publication number Publication date
GB2286250A (en) 1995-08-09
DE604493T1 (de) 1995-06-14
FI935017A0 (fi) 1993-11-12
GB9506913D0 (en) 1995-05-24
JPH06510857A (ja) 1994-12-01
NO940846D0 (no) 1994-03-10
GB2287544B (en) 1996-04-03
EP0604493A1 (en) 1994-07-06
GR940300076T1 (en) 1994-11-30
AU652667B2 (en) 1994-09-01
AU2544492A (en) 1993-04-27
AU6602094A (en) 1994-09-08
GB9120012D0 (en) 1991-11-06
NO940846L (no) 1994-03-10
GB2286250B (en) 1996-04-03
WO1993006493A1 (en) 1993-04-01
GB2259779B (en) 1996-04-03
GB2287544A (en) 1995-09-20
GB9506912D0 (en) 1995-05-24
GB2259779A (en) 1993-03-24
US5450007A (en) 1995-09-12
HK120796A (en) 1996-07-19
FI935017A (fi) 1993-11-12
ES2058051T1 (es) 1994-11-01

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