GB2227326B - Electrical power measuring devices - Google Patents

Electrical power measuring devices

Info

Publication number
GB2227326B
GB2227326B GB9000222A GB9000222A GB2227326B GB 2227326 B GB2227326 B GB 2227326B GB 9000222 A GB9000222 A GB 9000222A GB 9000222 A GB9000222 A GB 9000222A GB 2227326 B GB2227326 B GB 2227326B
Authority
GB
United Kingdom
Prior art keywords
electrical power
measuring devices
power measuring
devices
electrical
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
GB9000222A
Other versions
GB2227326A (en
GB9000222D0 (en
Inventor
Alan John Jones
Timothy Robert Joyce
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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
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 General Electric Co PLC filed Critical General Electric Co PLC
Publication of GB9000222D0 publication Critical patent/GB9000222D0/en
Publication of GB2227326A publication Critical patent/GB2227326A/en
Application granted granted Critical
Publication of GB2227326B publication Critical patent/GB2227326B/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)
  • Analogue/Digital Conversion (AREA)
GB9000222A 1989-01-23 1990-01-05 Electrical power measuring devices Expired - Fee Related GB2227326B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898901418A GB8901418D0 (en) 1989-01-23 1989-01-23 Electrical power measuring devices

Publications (3)

Publication Number Publication Date
GB9000222D0 GB9000222D0 (en) 1990-03-07
GB2227326A GB2227326A (en) 1990-07-25
GB2227326B true GB2227326B (en) 1992-10-28

Family

ID=10650448

Family Applications (2)

Application Number Title Priority Date Filing Date
GB898901418A Pending GB8901418D0 (en) 1989-01-23 1989-01-23 Electrical power measuring devices
GB9000222A Expired - Fee Related GB2227326B (en) 1989-01-23 1990-01-05 Electrical power measuring devices

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB898901418A Pending GB8901418D0 (en) 1989-01-23 1989-01-23 Electrical power measuring devices

Country Status (1)

Country Link
GB (2) GB8901418D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9120003D0 (en) * 1991-09-19 1991-11-06 Ampy Automation Digilog Improvements in and relating to current devices

Also Published As

Publication number Publication date
GB2227326A (en) 1990-07-25
GB8901418D0 (en) 1989-03-15
GB9000222D0 (en) 1990-03-07

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Legal Events

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

Effective date: 19950105