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GB2259785B - Improvements in and relating to power meters - Google Patents

Improvements in and relating to power meters

Info

Publication number
GB2259785B
GB2259785B GB9219317A GB9219317A GB2259785B GB 2259785 B GB2259785 B GB 2259785B GB 9219317 A GB9219317 A GB 9219317A GB 9219317 A GB9219317 A GB 9219317A GB 2259785 B GB2259785 B GB 2259785B
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.)
Expired - Fee Related
Application number
GB9219317A
Other versions
GB9219317D0 (en
GB2259785A (en
Inventor
Kenneth Payne
Roger Henry King
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 GB9219317D0 publication Critical patent/GB9219317D0/en
Publication of GB2259785A publication Critical patent/GB2259785A/en
Application granted granted Critical
Publication of GB2259785B publication Critical patent/GB2259785B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Current Or Voltage (AREA)
GB9219317A 1991-09-19 1992-09-11 Improvements in and relating to power meters Expired - Fee Related GB2259785B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB919120011A GB9120011D0 (en) 1991-09-19 1991-09-19 Improvements in and relating to power meter

Publications (3)

Publication Number Publication Date
GB9219317D0 GB9219317D0 (en) 1992-10-28
GB2259785A GB2259785A (en) 1993-03-24
GB2259785B true GB2259785B (en) 1996-04-03

Family

ID=10701657

Family Applications (2)

Application Number Title Priority Date Filing Date
GB919120011A Pending GB9120011D0 (en) 1991-09-19 1991-09-19 Improvements in and relating to power meter
GB9219317A Expired - Fee Related GB2259785B (en) 1991-09-19 1992-09-11 Improvements in and relating to power meters

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB919120011A Pending GB9120011D0 (en) 1991-09-19 1991-09-19 Improvements in and relating to power meter

Country Status (1)

Country Link
GB (2) GB9120011D0 (en)

Families Citing this family (4)

* 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
GB2276011B (en) * 1993-03-13 1997-05-14 Ampy Automation Digilog Improvements in and relating to power meters
US11442087B2 (en) * 2019-04-25 2022-09-13 Microchip Technology Incorporated Adaptive power measurement accumulator with a changing sampling frequency
CN111896800B (en) * 2020-08-10 2023-01-20 中国计量科学研究院 Power measurement device and method based on pulse-driven alternating-current quantum voltage source

Also Published As

Publication number Publication date
GB9120011D0 (en) 1991-11-06
GB9219317D0 (en) 1992-10-28
GB2259785A (en) 1993-03-24

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19970911