GB2221313B - Instantaneous multiplier for use in power measurement systems - Google Patents

Instantaneous multiplier for use in power measurement systems

Info

Publication number
GB2221313B
GB2221313B GB8817714A GB8817714A GB2221313B GB 2221313 B GB2221313 B GB 2221313B GB 8817714 A GB8817714 A GB 8817714A GB 8817714 A GB8817714 A GB 8817714A GB 2221313 B GB2221313 B GB 2221313B
Authority
GB
United Kingdom
Prior art keywords
power measurement
measurement systems
multiplier
instantaneous
instantaneous multiplier
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
GB8817714A
Other versions
GB2221313A (en
GB8817714D0 (en
Inventor
P G Williams
A J Wilks
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.)
OMEGA ELECTRIC Ltd
Original Assignee
OMEGA ELECTRIC 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 OMEGA ELECTRIC Ltd filed Critical OMEGA ELECTRIC Ltd
Priority to GB8817714A priority Critical patent/GB2221313B/en
Publication of GB8817714D0 publication Critical patent/GB8817714D0/en
Priority to PCT/GB1990/000134 priority patent/WO1991011725A1/en
Publication of GB2221313A publication Critical patent/GB2221313A/en
Application granted granted Critical
Publication of GB2221313B publication Critical patent/GB2221313B/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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06J—HYBRID COMPUTING ARRANGEMENTS
    • G06J1/00—Hybrid computing arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Automation & Control Theory (AREA)
  • Evolutionary Computation (AREA)
  • Fuzzy Systems (AREA)
  • Software Systems (AREA)
  • Power Engineering (AREA)
  • Measurement Of Current Or Voltage (AREA)
GB8817714A 1988-07-26 1988-07-26 Instantaneous multiplier for use in power measurement systems Expired - Fee Related GB2221313B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB8817714A GB2221313B (en) 1988-07-26 1988-07-26 Instantaneous multiplier for use in power measurement systems
PCT/GB1990/000134 WO1991011725A1 (en) 1988-07-26 1990-01-30 Instantaneous multiplier for use in power measurement systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8817714A GB2221313B (en) 1988-07-26 1988-07-26 Instantaneous multiplier for use in power measurement systems

Publications (3)

Publication Number Publication Date
GB8817714D0 GB8817714D0 (en) 1988-09-01
GB2221313A GB2221313A (en) 1990-01-31
GB2221313B true GB2221313B (en) 1993-02-24

Family

ID=10641079

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8817714A Expired - Fee Related GB2221313B (en) 1988-07-26 1988-07-26 Instantaneous multiplier for use in power measurement systems

Country Status (2)

Country Link
GB (1) GB2221313B (en)
WO (1) WO1991011725A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2686994B1 (en) * 1992-02-04 1997-01-17 Sagem ELECTRONIC COUNTER FOR ELECTRICAL ENERGY CONSUMPTION.
FR2702581B1 (en) * 1993-03-12 1995-06-02 Sagem Multiplier circuit with potentiometers and electric energy meter incorporating such a circuit.

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4101966A (en) * 1977-03-28 1978-07-18 Communications Satellite Corporation 4-quadrant multiplier
EP0008630A1 (en) * 1978-07-17 1980-03-19 Siemens Aktiengesellschaft Power/frequency converter with a microcomputer

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4058768A (en) * 1977-01-07 1977-11-15 General Electric Company Two-way electronic kWh meter
US4079313A (en) * 1977-04-18 1978-03-14 Allen-Bradley Company Digital watts transducer
US4486707A (en) * 1982-09-24 1984-12-04 Sangamo Weston, Inc. Gain switching device with reduced error for watt meter
US4535287A (en) * 1983-03-25 1985-08-13 General Electric Company Electronic watt/watthour meter with automatic error correction and high frequency digital output
CH673714A5 (en) * 1985-05-02 1990-03-30 Zellweger Uster Ag
GB8624926D0 (en) * 1986-10-17 1986-11-19 Gen Electric Co Plc Electric power measuring devices
US4795974A (en) * 1987-07-24 1989-01-03 Ford Motor Company Digital energy meter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4101966A (en) * 1977-03-28 1978-07-18 Communications Satellite Corporation 4-quadrant multiplier
EP0008630A1 (en) * 1978-07-17 1980-03-19 Siemens Aktiengesellschaft Power/frequency converter with a microcomputer

Also Published As

Publication number Publication date
WO1991011725A1 (en) 1991-08-08
GB2221313A (en) 1990-01-31
GB8817714D0 (en) 1988-09-01

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Legal Events

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

Effective date: 19960726