GB9506330D0 - Improvements in and relating to power meters - Google Patents

Improvements in and relating to power meters

Info

Publication number
GB9506330D0
GB9506330D0 GBGB9506330.1A GB9506330A GB9506330D0 GB 9506330 D0 GB9506330 D0 GB 9506330D0 GB 9506330 A GB9506330 A GB 9506330A GB 9506330 D0 GB9506330 D0 GB 9506330D0
Authority
GB
United Kingdom
Prior art keywords
relating
power meters
meters
power
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.)
Withdrawn
Application number
GBGB9506330.1A
Other versions
GB2285692A (en
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
Priority to GB9506330A priority Critical patent/GB2285692A/en
Publication of GB9506330D0 publication Critical patent/GB9506330D0/en
Publication of GB2285692A publication Critical patent/GB2285692A/en
Withdrawn legal-status Critical Current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

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)
GB9506330A 1993-03-13 1993-03-13 Power meters Withdrawn GB2285692A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9506330A GB2285692A (en) 1993-03-13 1993-03-13 Power meters

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9506330A GB2285692A (en) 1993-03-13 1993-03-13 Power meters
GB9305230A GB2276011B (en) 1993-03-13 1993-03-13 Improvements in and relating to power meters

Publications (2)

Publication Number Publication Date
GB9506330D0 true GB9506330D0 (en) 1995-05-17
GB2285692A GB2285692A (en) 1995-07-19

Family

ID=10732048

Family Applications (3)

Application Number Title Priority Date Filing Date
GB9506331A Expired - Fee Related GB2285693B (en) 1993-03-13 1993-03-13 Power Measuring Methods
GB9506330A Withdrawn GB2285692A (en) 1993-03-13 1993-03-13 Power meters
GB9305230A Expired - Fee Related GB2276011B (en) 1993-03-13 1993-03-13 Improvements in and relating to power meters

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB9506331A Expired - Fee Related GB2285693B (en) 1993-03-13 1993-03-13 Power Measuring Methods

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9305230A Expired - Fee Related GB2276011B (en) 1993-03-13 1993-03-13 Improvements in and relating to power meters

Country Status (9)

Country Link
EP (1) EP0688434A1 (en)
JP (1) JPH08507609A (en)
AU (1) AU679729B2 (en)
ES (1) ES2081786T1 (en)
FI (1) FI954297A (en)
GB (3) GB2285693B (en)
GR (1) GR960300002T1 (en)
NO (1) NO953609D0 (en)
WO (1) WO1994022024A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2276012B (en) * 1993-03-13 1997-05-21 Ampy Automation Digilog Improved power meter
GB2306677B (en) * 1995-11-02 2000-10-04 Siemens Measurements Ltd Improvements in or relating to electricity meters
JP3290946B2 (en) 1998-03-10 2002-06-10 株式会社東芝 Power calculation device
JP2007147334A (en) * 2005-11-24 2007-06-14 Jimbo Electric Co Ltd Digital display current-monitoring unit
CN103353545B (en) * 2013-07-22 2015-06-10 国家电网公司 Voltage and current loop carrier wave isolation and attenuation equipment
CN103645457B (en) * 2013-12-20 2016-06-01 国家电网公司 A kind of on-site inspection device for electric energy meter
CN104459303B (en) * 2014-12-24 2016-06-01 国家电网公司 A kind of adaptively sampled line selection apparatus of double-bus
CN105487032A (en) * 2016-01-04 2016-04-13 国网山东省电力公司青岛供电公司 Verification device
US11442087B2 (en) * 2019-04-25 2022-09-13 Microchip Technology Incorporated Adaptive power measurement accumulator with a changing sampling frequency
CN110297124B (en) * 2019-08-06 2022-04-12 南方电网科学研究院有限责任公司 Non-grounded voltage measuring device and method
CN114942402B (en) * 2022-07-20 2022-11-29 武汉格蓝若智能技术有限公司 Abnormal electric energy meter positioning method and system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH551013A (en) * 1972-06-07 1974-06-28 Landis & Gyr Ag CIRCUIT ARRANGEMENT FOR PRODUCT FORMATION FROM VOLTAGE AND CURRENT FOR THE PURPOSE OF MEASURING ELECTRICAL ENERGY.
DE2839123C2 (en) * 1978-09-08 1980-10-23 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Voltage-frequency converter
EP0446962A3 (en) * 1986-04-11 1992-06-03 Schlumberger Industries, Inc. Solid state electricity meter display
JPS63246025A (en) * 1987-04-01 1988-10-13 Nec Corp Pulse frequency modulating circuit
GB2217027A (en) * 1988-04-05 1989-10-18 Omega Electric Ltd Active power measurement
GB2286250B (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
GB2276012B (en) * 1993-03-13 1997-05-21 Ampy Automation Digilog Improved power meter

Also Published As

Publication number Publication date
AU6212894A (en) 1994-10-11
AU679729B2 (en) 1997-07-10
GB2285693A (en) 1995-07-19
GB2285692A (en) 1995-07-19
WO1994022024A1 (en) 1994-09-29
GB9506331D0 (en) 1995-05-17
GB9305230D0 (en) 1993-04-28
FI954297A0 (en) 1995-09-13
EP0688434A1 (en) 1995-12-27
GB2276011B (en) 1997-05-14
GB2276011A (en) 1994-09-14
JPH08507609A (en) 1996-08-13
FI954297A (en) 1995-10-13
ES2081786T1 (en) 1996-03-16
GB2285693B (en) 1997-05-21
NO953609L (en) 1995-09-13
GR960300002T1 (en) 1996-02-29
NO953609D0 (en) 1995-09-13

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)