FI954296A - Parannettu tehomittari - Google Patents

Parannettu tehomittari Download PDF

Info

Publication number
FI954296A
FI954296A FI954296A FI954296A FI954296A FI 954296 A FI954296 A FI 954296A FI 954296 A FI954296 A FI 954296A FI 954296 A FI954296 A FI 954296A FI 954296 A FI954296 A FI 954296A
Authority
FI
Finland
Prior art keywords
power meter
improved power
improved
meter
power
Prior art date
Application number
FI954296A
Other languages
English (en)
Swedish (sv)
Other versions
FI954296A0 (fi
Inventor
Kenneth Payne
David Alexander Watson
Roger Henry King
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 FI954296A publication Critical patent/FI954296A/fi
Publication of FI954296A0 publication Critical patent/FI954296A0/fi

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)
FI954296A 1993-03-13 1995-09-13 Parannettu tehomittari FI954296A0 (fi)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
FI954296A true FI954296A (fi) 1995-09-13
FI954296A0 FI954296A0 (fi) 1995-09-13

Family

ID=10732050

Family Applications (1)

Application Number Title Priority Date Filing Date
FI954296A FI954296A0 (fi) 1993-03-13 1995-09-13 Parannettu tehomittari

Country Status (9)

Country Link
EP (1) EP0688433A1 (fi)
JP (1) JPH08507608A (fi)
AU (1) AU679213B2 (fi)
ES (1) ES2081273T1 (fi)
FI (1) FI954296A0 (fi)
GB (3) GB2285694B (fi)
GR (1) GR960300001T1 (fi)
NO (1) NO953608L (fi)
WO (1) WO1994022023A1 (fi)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2285693B (en) * 1993-03-13 1997-05-21 Ampy Automation Digilog Power Measuring Methods
CA2511004C (en) * 2002-12-23 2015-07-21 Power Measurement Ltd. Power monitoring integrated circuit with communication interface
JP5702809B2 (ja) * 2011-02-04 2015-04-15 富士通株式会社 テーブルタップ及び電力測定方法
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

Family Cites Families (8)

* 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.
FR2551877B1 (fr) * 1983-09-13 1986-01-31 Enertec Compteur d'energie electrique notamment pour la tres haute tension
US4801874A (en) * 1987-02-27 1989-01-31 Process Systems, Inc. Method and apparatus for measuring electricity
JPH0821049B2 (ja) * 1987-09-24 1996-03-04 株式会社東芝 乗算器
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
GB2285693B (en) * 1993-03-13 1997-05-21 Ampy Automation Digilog Power Measuring Methods

Also Published As

Publication number Publication date
GB2276012B (en) 1997-05-21
GB2285695B (en) 1997-05-21
GR960300001T1 (en) 1996-02-29
GB9506333D0 (en) 1995-05-17
GB2285695A (en) 1995-07-19
AU679213B2 (en) 1997-06-26
NO953608D0 (no) 1995-09-13
EP0688433A1 (en) 1995-12-27
GB2285694A (en) 1995-07-19
NO953608L (no) 1995-09-13
AU6212794A (en) 1994-10-11
GB2276012A (en) 1994-09-14
GB9506332D0 (en) 1995-05-17
GB9305232D0 (en) 1993-04-28
FI954296A0 (fi) 1995-09-13
WO1994022023A1 (en) 1994-09-29
GB2285694B (en) 1997-05-21
ES2081273T1 (es) 1996-03-01
JPH08507608A (ja) 1996-08-13

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Legal Events

Date Code Title Description
FD Application lapsed