AU679213B2 - Improved power meter - Google Patents

Improved power meter Download PDF

Info

Publication number
AU679213B2
AU679213B2 AU62127/94A AU6212794A AU679213B2 AU 679213 B2 AU679213 B2 AU 679213B2 AU 62127/94 A AU62127/94 A AU 62127/94A AU 6212794 A AU6212794 A AU 6212794A AU 679213 B2 AU679213 B2 AU 679213B2
Authority
AU
Australia
Prior art keywords
signals
signal
period
power
supply
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
AU62127/94A
Other languages
English (en)
Other versions
AU6212794A (en
Inventor
Roger Henry King
Kenneth Payne
David Alexander Watson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Landis and Gyr Ltd
Original Assignee
Ampy Automotion Digilog Ltd
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 Automotion Digilog Ltd filed Critical Ampy Automotion Digilog Ltd
Publication of AU6212794A publication Critical patent/AU6212794A/en
Application granted granted Critical
Publication of AU679213B2 publication Critical patent/AU679213B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G01R21/133—Arrangements for measuring electric power or power factor by using digital technique
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • 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
    • G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
    • G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current

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)
AU62127/94A 1993-03-13 1994-03-11 Improved power meter Ceased AU679213B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9305232A GB2276012B (en) 1993-03-13 1993-03-13 Improved power meter
GB9305232 1993-03-13
PCT/GB1994/000491 WO1994022023A1 (en) 1993-03-13 1994-03-11 Improved power meter

Publications (2)

Publication Number Publication Date
AU6212794A AU6212794A (en) 1994-10-11
AU679213B2 true AU679213B2 (en) 1997-06-26

Family

ID=10732050

Family Applications (1)

Application Number Title Priority Date Filing Date
AU62127/94A Ceased AU679213B2 (en) 1993-03-13 1994-03-11 Improved power meter

Country Status (9)

Country Link
EP (1) EP0688433A1 (no)
JP (1) JPH08507608A (no)
AU (1) AU679213B2 (no)
ES (1) ES2081273T1 (no)
FI (1) FI954296A (no)
GB (3) GB2285695B (no)
GR (1) GR960300001T1 (no)
NO (1) NO953608L (no)
WO (1) WO1994022023A1 (no)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2285692A (en) * 1993-03-13 1995-07-19 Ampy Automation Digilog Power meters
US7010438B2 (en) * 2002-12-23 2006-03-07 Power Measurement Ltd. Integrated circuit with power monitoring/control and device incorporating same
KR101474678B1 (ko) * 2011-02-04 2014-12-17 후지쯔 가부시끼가이샤 테이블 탭 및 전력 측정 방법
RU2589498C1 (ru) * 2015-04-16 2016-07-10 федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Южно-Российский государственный политехнический университет (НПИ) имени М.И. Платова" Счетчик потерь активной электроэнергии в трансформаторе
CN106569016A (zh) * 2015-10-08 2017-04-19 陕西飞机工业（集团）有限公司 一种飞机自动定时机构综合检测装置
CN107037390A (zh) * 2017-02-10 2017-08-11 国网浙江台州市黄岩区供电公司 冲击负荷对电能计量误差远程监测客户端
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
CN117388570B (zh) * 2023-12-12 2024-02-13 国网浙江省电力有限公司平阳县供电公司 直流电能表及电能计量方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2551877A1 (fr) * 1983-09-13 1985-03-15 Enertec Compteur d'energie electrique notamment pour la tres haute tension
EP0282208A1 (en) * 1987-02-27 1988-09-14 Process Systems, Inc. Method and apparatus for measuring electricity
EP0308924A1 (en) * 1987-09-24 1989-03-29 Kabushiki Kaisha Toshiba Multiplier and watt-hour meter

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH551013A (de) * 1972-06-07 1974-06-28 Landis & Gyr Ag Schaltungsanordnung zur produktbildung aus spannung und strom zwecks messung elektrischer energie.
GB2217027A (en) * 1988-04-05 1989-10-18 Omega Electric Ltd Active power measurement
GB9120011D0 (en) * 1991-09-19 1991-11-06 Ampy Automation Digilog Improvements in and relating to power meter
GB2286250B (en) * 1991-09-19 1996-04-03 Ampy Automation Digilog Improved power meter
GB2285692A (en) * 1993-03-13 1995-07-19 Ampy Automation Digilog Power meters

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2551877A1 (fr) * 1983-09-13 1985-03-15 Enertec Compteur d'energie electrique notamment pour la tres haute tension
EP0282208A1 (en) * 1987-02-27 1988-09-14 Process Systems, Inc. Method and apparatus for measuring electricity
EP0308924A1 (en) * 1987-09-24 1989-03-29 Kabushiki Kaisha Toshiba Multiplier and watt-hour meter

Also Published As

Publication number Publication date
NO953608D0 (no) 1995-09-13
GB2285695A (en) 1995-07-19
NO953608L (no) 1995-09-13
AU6212794A (en) 1994-10-11
GB2285694A (en) 1995-07-19
GB2285695B (en) 1997-05-21
GB2276012A (en) 1994-09-14
FI954296A0 (fi) 1995-09-13
FI954296A (fi) 1995-09-13
GR960300001T1 (en) 1996-02-29
ES2081273T1 (es) 1996-03-01
GB9506333D0 (en) 1995-05-17
WO1994022023A1 (en) 1994-09-29
JPH08507608A (ja) 1996-08-13
GB9506332D0 (en) 1995-05-17
GB2285694B (en) 1997-05-21
EP0688433A1 (en) 1995-12-27
GB9305232D0 (en) 1993-04-28
GB2276012B (en) 1997-05-21

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