GB2294829A8 - High voltage sensing unit - Google Patents

High voltage sensing unit

Info

Publication number
GB2294829A8
GB2294829A8 GB9522287A GB9522287A GB2294829A8 GB 2294829 A8 GB2294829 A8 GB 2294829A8 GB 9522287 A GB9522287 A GB 9522287A GB 9522287 A GB9522287 A GB 9522287A GB 2294829 A8 GB2294829 A8 GB 2294829A8
Authority
GB
United Kingdom
Prior art keywords
high voltage
sensing unit
voltage sensing
unit
voltage
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Withdrawn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
GB9522287A
Other versions
GB2294829A (en
GB9522287D0 (en
Inventor
Andrew David Bowley
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.)
EDF Energy Ltd
Hawker Siddeley Switchgear Ltd
Original Assignee
Hawker Siddeley Switchgear Ltd
London Electricity 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
Priority claimed from GB9422027A external-priority patent/GB9422027D0/en
Application filed by Hawker Siddeley Switchgear Ltd, London Electricity PLC filed Critical Hawker Siddeley Switchgear Ltd
Priority to GB9522287A priority Critical patent/GB2294829A/en
Publication of GB9522287D0 publication Critical patent/GB9522287D0/en
Publication of GB2294829A publication Critical patent/GB2294829A/en
Publication of GB2294829A8 publication Critical patent/GB2294829A8/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16533—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application
    • G01R19/16538—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies
    • 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
    • G01R15/16—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using capacitive devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Measurement Of Current Or Voltage (AREA)
GB9522287A 1994-11-01 1995-10-31 High voltage sensing unit Withdrawn GB2294829A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9522287A GB2294829A (en) 1994-11-01 1995-10-31 High voltage sensing unit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9422027A GB9422027D0 (en) 1994-11-01 1994-11-01 High voltage sensing unit
GB9522287A GB2294829A (en) 1994-11-01 1995-10-31 High voltage sensing unit

Publications (3)

Publication Number Publication Date
GB9522287D0 GB9522287D0 (en) 1996-01-03
GB2294829A GB2294829A (en) 1996-05-08
GB2294829A8 true GB2294829A8 (en) 1996-11-18

Family

ID=26305907

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9522287A Withdrawn GB2294829A (en) 1994-11-01 1995-10-31 High voltage sensing unit

Country Status (1)

Country Link
GB (1) GB2294829A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2782169A1 (en) * 1998-08-05 2000-02-11 Alstom Technology A system for measuring the voltage in an overhead power cable from a position on the earth is by measurement of the cable's electric field using electrodes placed at ground level

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH148529A (en) * 1929-03-06 1931-07-31 Elettromecc Scarpa & Magnano S Transducer.
GB359633A (en) * 1929-08-30 1931-10-29 Westinghouse Electric & Mfg Co Improvements in or relating to electrical control protective or measuring systems
GB347339A (en) * 1930-02-07 1931-04-30 British Thomson Houston Co Ltd Improvements relating to measuring apparatus for electric high potential circuits
GB354236A (en) * 1930-05-05 1931-08-05 Reyrolle A & Co Ltd Improvements in or relating to the reproduction on a reduced scale of the voltage of a high voltage a.c. system
GB394355A (en) * 1931-12-22 1933-06-22 William Mundell Thornton Improvements in or relating to electrical apparatus for measuring, indicating, protective or other purposes
US3970932A (en) * 1974-09-03 1976-07-20 I-T-E Imperial Corporation Hot line detection system for high voltage switchgear
US3991367A (en) * 1976-01-20 1976-11-09 The United States Of America As Represented By The Secretary Of The Interior Detection of potential on high-voltage transmission lines
CA1277371C (en) * 1984-07-02 1990-12-04 Graham J. Clarke High voltage apparatus
WO1994007149A1 (en) * 1992-09-14 1994-03-31 Nu-Lec Pty. Ltd. Capacitive voltage dividing circuit for power measurement

Also Published As

Publication number Publication date
GB2294829A (en) 1996-05-08
GB9522287D0 (en) 1996-01-03

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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)