FI954297A0 - Tehomittari - Google Patents

Tehomittari

Info

Publication number
FI954297A0
FI954297A0 FI954297A FI954297A FI954297A0 FI 954297 A0 FI954297 A0 FI 954297A0 FI 954297 A FI954297 A FI 954297A FI 954297 A FI954297 A FI 954297A FI 954297 A0 FI954297 A0 FI 954297A0
Authority
FI
Finland
Prior art keywords
power meter
meter
power
Prior art date
Application number
FI954297A
Other languages
English (en)
Swedish (sv)
Other versions
FI954297A (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 FI954297A0 publication Critical patent/FI954297A0/fi
Publication of FI954297A publication Critical patent/FI954297A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • General Induction Heating (AREA)
  • Electron Sources, Ion Sources (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
FI954297A 1993-03-13 1995-09-13 Tehomittari FI954297A (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9305230A GB2276011B (en) 1993-03-13 1993-03-13 Improvements in and relating to power meters
PCT/GB1994/000492 WO1994022024A1 (en) 1993-03-13 1994-03-11 Power meter

Publications (2)

Publication Number Publication Date
FI954297A0 true FI954297A0 (fi) 1995-09-13
FI954297A FI954297A (fi) 1995-10-13

Family

ID=10732048

Family Applications (1)

Application Number Title Priority Date Filing Date
FI954297A FI954297A (fi) 1993-03-13 1995-09-13 Tehomittari

Country Status (9)

Country Link
EP (1) EP0688434A1 (fi)
JP (1) JPH08507609A (fi)
AU (1) AU679729B2 (fi)
ES (1) ES2081786T1 (fi)
FI (1) FI954297A (fi)
GB (3) GB2285693B (fi)
GR (1) GR960300002T1 (fi)
NO (1) NO953609L (fi)
WO (1) WO1994022024A1 (fi)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2285695B (en) * 1993-03-13 1997-05-21 Ampy Automation Digilog Power Measuring Method
GB2306677B (en) * 1995-11-02 2000-10-04 Siemens Measurements Ltd Improvements in or relating to electricity meters
JP3290946B2 (ja) 1998-03-10 2002-06-10 株式会社東芝 電力演算装置
JP2007147334A (ja) * 2005-11-24 2007-06-14 Jimbo Electric Co Ltd デジタル表示電流監視ユニット
CN103353545B (zh) * 2013-07-22 2015-06-10 国家电网公司 一种电压电流回路载波隔离衰减设备
CN103645457B (zh) * 2013-12-20 2016-06-01 国家电网公司 一种电能表现场检验装置
CN104459303B (zh) * 2014-12-24 2016-06-01 国家电网公司 一种双母线自适应采样选线装置
CN105487032A (zh) * 2016-01-04 2016-04-13 国网山东省电力公司青岛供电公司 一种检定装置
US11442087B2 (en) * 2019-04-25 2022-09-13 Microchip Technology Incorporated Adaptive power measurement accumulator with a changing sampling frequency
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
CN114942402B (zh) * 2022-07-20 2022-11-29 武汉格蓝若智能技术有限公司 一种异常电能表定位方法及***

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.
DE2839123C2 (de) * 1978-09-08 1980-10-23 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Spannungs-Frequenz-Wandler
EP0446962A3 (en) * 1986-04-11 1992-06-03 Schlumberger Industries, Inc. Solid state electricity meter display
JPS63246025A (ja) * 1987-04-01 1988-10-13 Nec Corp パルス周波数変調回路
GB2217027A (en) * 1988-04-05 1989-10-18 Omega Electric Ltd Active power measurement
GB2259779B (en) * 1991-09-19 1996-04-03 Ampy Automation Digilog Improved power meter
GB9120011D0 (en) * 1991-09-19 1991-11-06 Ampy Automation Digilog Improvements in and relating to power meter
GB2285695B (en) * 1993-03-13 1997-05-21 Ampy Automation Digilog Power Measuring Method

Also Published As

Publication number Publication date
GR960300002T1 (en) 1996-02-29
GB9506331D0 (en) 1995-05-17
AU6212894A (en) 1994-10-11
GB9305230D0 (en) 1993-04-28
FI954297A (fi) 1995-10-13
GB2285693B (en) 1997-05-21
GB2276011B (en) 1997-05-14
AU679729B2 (en) 1997-07-10
WO1994022024A1 (en) 1994-09-29
EP0688434A1 (en) 1995-12-27
GB2285692A (en) 1995-07-19
GB2276011A (en) 1994-09-14
NO953609D0 (no) 1995-09-13
NO953609L (no) 1995-09-13
GB9506330D0 (en) 1995-05-17
JPH08507609A (ja) 1996-08-13
ES2081786T1 (es) 1996-03-16
GB2285693A (en) 1995-07-19

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Legal Events

Date Code Title Description
FD Application lapsed