GB2034487B - Alternating current measuring devices - Google Patents

Alternating current measuring devices

Info

Publication number
GB2034487B
GB2034487B GB7844410A GB7844410A GB2034487B GB 2034487 B GB2034487 B GB 2034487B GB 7844410 A GB7844410 A GB 7844410A GB 7844410 A GB7844410 A GB 7844410A GB 2034487 B GB2034487 B GB 2034487B
Authority
GB
United Kingdom
Prior art keywords
alternating current
measuring devices
current measuring
devices
alternating
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
Application number
GB7844410A
Other versions
GB2034487A (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.)
Central Electricity Generating Board
Original Assignee
Central Electricity Generating Board
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 Central Electricity Generating Board filed Critical Central Electricity Generating Board
Priority to GB7844410A priority Critical patent/GB2034487B/en
Publication of GB2034487A publication Critical patent/GB2034487A/en
Application granted granted Critical
Publication of GB2034487B publication Critical patent/GB2034487B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/20—Instruments transformers
    • H01F38/22—Instruments transformers for single phase ac
    • H01F38/28—Current transformers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
    • G01R15/181—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using coils without a magnetic core, e.g. Rogowski coils
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/20—Instruments transformers
    • H01F38/22—Instruments transformers for single phase ac
    • H01F38/28—Current transformers
    • H01F38/30—Constructions
    • H01F2038/305—Constructions with toroidal magnetic core

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
GB7844410A 1978-11-14 1978-11-14 Alternating current measuring devices Expired GB2034487B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7844410A GB2034487B (en) 1978-11-14 1978-11-14 Alternating current measuring devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7844410A GB2034487B (en) 1978-11-14 1978-11-14 Alternating current measuring devices

Publications (2)

Publication Number Publication Date
GB2034487A GB2034487A (en) 1980-06-04
GB2034487B true GB2034487B (en) 1982-10-06

Family

ID=10501031

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7844410A Expired GB2034487B (en) 1978-11-14 1978-11-14 Alternating current measuring devices

Country Status (1)

Country Link
GB (1) GB2034487B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2135786B (en) * 1983-02-25 1986-10-22 Clifford Yates Alternating current sensing device
GB2147708B (en) * 1983-09-22 1987-10-21 David William Knight Sensing apparatus
GB2152681B (en) * 1984-01-13 1988-02-17 Brush Switchgear Device for detecting current flowing in a conductor
US4894610A (en) * 1985-09-14 1990-01-16 LOZ Landis & Gyr Zug AG Current-transformer arrangement for an electrostatic meter
DE3701779A1 (en) * 1987-02-13 1988-08-04 Budapesti Mueszaki Egyetem AS A CURRENT TRANSFORMER, LINEAR TRANSMITTER
US5103164A (en) * 1989-07-21 1992-04-07 Toshiyuki Kawaguchi Optical current transformer
GB2259150B (en) * 1991-08-28 1995-07-26 William Frederick Ray Improvements in current measurement
GB9210522D0 (en) * 1992-05-16 1992-07-01 Petticrew William R Immersion heater warning indicator(bleeper)
GB9616157D0 (en) * 1996-08-01 1996-09-11 Switched Reluctance Drives Ltd Current transducer
US7227441B2 (en) 2005-02-04 2007-06-05 Schweitzer Engineering Laboratories, Inc. Precision Rogowski coil and method for manufacturing same
US7227442B2 (en) 2005-04-01 2007-06-05 Schweitzer Engineering Laboratories, Inc. Precision printed circuit board based rogowski coil and method for manufacturing same
GB2445571B (en) 2007-01-10 2008-12-03 Vistec Lithography Ltd Apparatus support
US8928337B2 (en) 2012-01-27 2015-01-06 Schweitzer Engineering Laboratories, Inc. Device for measuring electrical current and method of manufacturing the same
GB201201992D0 (en) 2012-02-03 2012-03-21 Power Electronic Measurements Ltd Temperature compensated current measurement
FR3009422A1 (en) * 2013-07-31 2015-02-06 Schneider Electric Ind Sas CORRECTION OF THE BANDWIDTH OF A TRANSFORMER TO GAP

Also Published As

Publication number Publication date
GB2034487A (en) 1980-06-04

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Legal Events

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

Effective date: 19971114