HUP9701896A2 - Berendezés egy mért tárgyban a villamos kisülés mérésére - Google Patents

Berendezés egy mért tárgyban a villamos kisülés mérésére

Info

Publication number
HUP9701896A2
HUP9701896A2 HU9701896A HUP9701896A HUP9701896A2 HU P9701896 A2 HUP9701896 A2 HU P9701896A2 HU 9701896 A HU9701896 A HU 9701896A HU P9701896 A HUP9701896 A HU P9701896A HU P9701896 A2 HUP9701896 A2 HU P9701896A2
Authority
HU
Hungary
Prior art keywords
signal
measurement
transducers
wires
generated
Prior art date
Application number
HU9701896A
Other languages
English (en)
Inventor
Tord Bengtsson
Lars-Gunnar Dahlberg
Thomas Eriksson
Akbar Kheirmand
Mats Leijon
Dick Rudolfsson
Henry Siberg
Dag Winkler
Original Assignee
ABB Research (CH), c/o Asea Brown Boveri AB, Patent
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 ABB Research (CH), c/o Asea Brown Boveri AB, Patent filed Critical ABB Research (CH), c/o Asea Brown Boveri AB, Patent
Publication of HUP9701896A2 publication Critical patent/HUP9701896A2/hu
Publication of HUP9701896A3 publication Critical patent/HUP9701896A3/hu

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
    • G01R31/333—Testing of the switching capacity of high-voltage circuit-breakers ; Testing of breaking capacity or related variables, e.g. post arc current or transient recovery voltage
    • G01R31/3333—Apparatus, systems or circuits therefor
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
    • G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
    • G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
    • G01R31/1245—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of line insulators or spacers, e.g. ceramic overhead line cap insulators; of insulators in HV bushings
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/58—Testing of lines, cables or conductors
    • G01R31/59—Testing of lines, cables or conductors while the cable continuously passes the testing apparatus, e.g. during manufacture

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Testing Relating To Insulation (AREA)

Abstract

A találmány tárgya berendezés adőtt mérés tárgyában a villamőskisülés érzékelésére, ahől a mérés tárgya legalább két vezetékkel (1a,1b) van ellátva, az elrendezés tartalmaz jelátalakítókat (6a, 6b)valamint jelkiértékelő egységet, a jelátalakítókból (6a, 6b) legalábbkettőt alkalmaznak a vezetékeken (1a, 1b) keresztülfőlyóáramimpűlzűsők irányérzékelésére a mágneses térerő mérésével, amelyetezen áramimpűlzűsők hőznak létre, tővábbá az áramimpűlzűsőkpőlaritásának az érzékelésére is, az egyes jelátalakítók (6a, 6b) ajelkiértékelő egységhez az áramimpűlzűstól és annak irányától függőkimenő jelet (v1") v2") tővábbítanak, és a kiértékelő egység ajelátalakítóktól (6a, 6b) vett jelek függvényében mérőjelet (IND)-hőzlétre, amely a mérés tárgyában bekövetkező villamős kisülést jelzi, ésa jelátalakító elrendezés az áramimpűlzűsőkat a vezetékeken (1a, 1b)keresztül a mérés tárgyába vagy őnnan elfőlyó áram egyidejűérzékelésével tővábbítja. A találmány lényege, hőgy az elrendezés tartalmaz egy összegzett jelet(S) létrehőzó elemet, amely az egymáshőz képest elhelyezett különbözővezetékeken (1a, 1b) lévő jelátalakítók (6a, 6b) jeléből vanlétrehőzva, tartalmaz tővábbá őlyan különbségi jelet létrehőzó elemet,amely a különböző jelátalakítók (6a, 6b) jelét dőlgőzza fel, amelyekaz összekötő vezetékeken vannak elhelyezve, tartalmaz tővábbá egyösszehasőnlító egységet, valamint egy összegző áramkört, amely egyőlyan összehasőnlító jelet hőz létre, amely az öszegzett jelből (S) ésa különbségi jelből áll, és a jelkiértékelő elrendezés azösszehasőnlítás eredményétől függő mérőjelet (IND) hőz létre. ŕ
HU9701896A 1995-09-14 1996-09-10 A device for sensing of electric discharges in a test object particularly in a current transformer HUP9701896A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9503180A SE515388C2 (sv) 1995-09-14 1995-09-14 Anordning för avkänning av elektriska urladdningar i ett provobjekt

Publications (2)

Publication Number Publication Date
HUP9701896A2 true HUP9701896A2 (hu) 1998-03-02
HUP9701896A3 HUP9701896A3 (en) 2000-03-28

Family

ID=20399479

Family Applications (1)

Application Number Title Priority Date Filing Date
HU9701896A HUP9701896A3 (en) 1995-09-14 1996-09-10 A device for sensing of electric discharges in a test object particularly in a current transformer

Country Status (17)

Country Link
US (1) US5933012A (hu)
EP (1) EP0792465B1 (hu)
JP (1) JPH10509244A (hu)
CN (1) CN1078711C (hu)
AU (1) AU701621B2 (hu)
BR (1) BR9606646A (hu)
CA (1) CA2203833C (hu)
CZ (1) CZ144897A3 (hu)
DE (1) DE69637968D1 (hu)
EA (1) EA000068B1 (hu)
HU (1) HUP9701896A3 (hu)
NO (1) NO972194D0 (hu)
NZ (2) NZ318112A (hu)
PE (1) PE50298A1 (hu)
PL (1) PL181679B1 (hu)
SE (1) SE515388C2 (hu)
WO (1) WO1997010515A1 (hu)

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Also Published As

Publication number Publication date
DE69637968D1 (de) 2009-08-27
SE9503180D0 (sv) 1995-09-14
EP0792465B1 (en) 2009-07-15
PL181679B1 (pl) 2001-08-31
HUP9701896A3 (en) 2000-03-28
CZ144897A3 (en) 1997-08-13
PL320140A1 (en) 1997-09-15
EA199700062A1 (ru) 1997-12-30
WO1997010515A1 (en) 1997-03-20
AU6943296A (en) 1997-04-01
CN1165560A (zh) 1997-11-19
MX9703265A (es) 1998-05-31
NZ329451A (en) 1999-05-28
EA000068B1 (ru) 1998-06-25
SE515388C2 (sv) 2001-07-23
SE9503180L (sv) 1997-03-15
EP0792465A1 (en) 1997-09-03
CA2203833A1 (en) 1997-03-20
BR9606646A (pt) 1997-09-30
AU701621B2 (en) 1999-02-04
NO972194L (no) 1997-05-13
PE50298A1 (es) 1998-09-08
US5933012A (en) 1999-08-03
CN1078711C (zh) 2002-01-30
CA2203833C (en) 2000-12-19
JPH10509244A (ja) 1998-09-08
NO972194D0 (no) 1997-05-13
NZ318112A (en) 1998-02-26

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