ATE78104T1 - Stromsonde. - Google Patents

Stromsonde.

Info

Publication number
ATE78104T1
ATE78104T1 AT87301213T AT87301213T ATE78104T1 AT E78104 T1 ATE78104 T1 AT E78104T1 AT 87301213 T AT87301213 T AT 87301213T AT 87301213 T AT87301213 T AT 87301213T AT E78104 T1 ATE78104 T1 AT E78104T1
Authority
AT
Austria
Prior art keywords
ring
current probe
split
closed
open
Prior art date
Application number
AT87301213T
Other languages
English (en)
Inventor
Geoffrey Cross
Brian Hargreaves
Original Assignee
H E M E International Limited
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 H E M E International Limited filed Critical H E M E International Limited
Application granted granted Critical
Publication of ATE78104T1 publication Critical patent/ATE78104T1/de

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
    • H01F38/30—Constructions
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/20—Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments
    • G01R1/22—Tong testers acting as secondary windings of current transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Testing Of Individual Semiconductor Devices (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Steroid Compounds (AREA)
AT87301213T 1986-02-15 1987-02-12 Stromsonde. ATE78104T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB868603781A GB8603781D0 (en) 1986-02-15 1986-02-15 Current probe
EP87301213A EP0233756B1 (de) 1986-02-15 1987-02-12 Stromsonde

Publications (1)

Publication Number Publication Date
ATE78104T1 true ATE78104T1 (de) 1992-07-15

Family

ID=10593137

Family Applications (1)

Application Number Title Priority Date Filing Date
AT87301213T ATE78104T1 (de) 1986-02-15 1987-02-12 Stromsonde.

Country Status (5)

Country Link
US (1) US4825154A (de)
EP (1) EP0233756B1 (de)
AT (1) ATE78104T1 (de)
DE (1) DE3780185T2 (de)
GB (1) GB8603781D0 (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD307244S (en) 1987-01-16 1990-04-17 Daniel Arnoux Current probe
USD312420S (en) 1987-04-04 1990-11-27 Kyoritsu Electrical Instruments Works, Ltd. Volt-ohm-ammeter or the like
USD315522S (en) 1988-04-21 1991-03-19 Societe Chauvin Arnoux Current probe
USD335095S (en) 1990-03-30 1993-04-27 Kyoritsu Electrical Instruments Works, Ltd. Voltammeter
GB2291273A (en) * 1994-07-05 1996-01-17 East Midlands Electricity Plc Electrical test probe
IES960198A2 (en) * 1996-03-01 1996-10-16 Suparules Ltd Apparatus for measuring an A.C. current in a cable
DE10134014A1 (de) * 2001-07-12 2003-01-30 Driescher Eltech Werk Stromwandler
JP3981042B2 (ja) * 2003-06-09 2007-09-26 アルプス電気株式会社 コンタクトプローブ及びプローブソケット及び電気特性測定装置並びにコンタクトプローブの押し当て方法
US7493221B2 (en) * 2006-09-28 2009-02-17 General Electric Company System for power sub-metering
WO2008042484A1 (en) * 2006-09-28 2008-04-10 General Electric Company Current sensing module and assembly method thereof
US7546214B2 (en) 2006-09-28 2009-06-09 General Electric Company System for power sub-metering
US8144445B2 (en) 2007-06-12 2012-03-27 General Electric Company Micro-electromechanical system based switching
US7944660B2 (en) 2007-06-15 2011-05-17 General Electric Company Micro-electromechanical system based selectively coordinated protection systems and methods for electrical distribution
US7885043B2 (en) 2007-06-15 2011-02-08 General Electric Company Remote-operable micro-electromechanical system based over-current protection apparatus
US7589942B2 (en) 2007-06-15 2009-09-15 General Electric Company MEMS based motor starter with motor failure detection
US8358488B2 (en) 2007-06-15 2013-01-22 General Electric Company Micro-electromechanical system based switching
US7612971B2 (en) 2007-06-15 2009-11-03 General Electric Company Micro-electromechanical system based switching in heating-ventilation-air-conditioning systems
US8072723B2 (en) 2007-06-19 2011-12-06 General Electric Company Resettable MEMS micro-switch array based on current limiting apparatus
US7903382B2 (en) 2007-06-19 2011-03-08 General Electric Company MEMS micro-switch array based on current limiting enabled circuit interrupting apparatus
US7884598B2 (en) * 2007-08-30 2011-02-08 Fluke Corporation Clamp jaw assembly
US7554222B2 (en) 2007-11-01 2009-06-30 General Electric Company Micro-electromechanical system based switching
US7839611B2 (en) 2007-11-14 2010-11-23 General Electric Company Programmable logic controller having micro-electromechanical system based switching
US8917084B2 (en) * 2011-07-01 2014-12-23 Synergistic Technology Solutions, Inc. High voltage sensing mechanism with integrated on-off switch
US8882095B2 (en) * 2011-08-05 2014-11-11 Chung Instrument Electronics Industrial Co., Ltd. Hook portion of clamp meter
JP6242265B2 (ja) * 2014-03-27 2017-12-06 日置電機株式会社 クランプセンサおよび測定装置
JP6245575B2 (ja) * 2014-03-27 2017-12-13 日置電機株式会社 クランプセンサおよび測定装置
DE202015004037U1 (de) 2015-06-05 2016-08-11 Testo Ag Strommessgerät
US11655792B2 (en) 2021-04-30 2023-05-23 Trillium Worldwide, Inc. Voltage sensing mechanism
CN119986512B (zh) * 2025-02-14 2025-09-23 武汉武高国电机电设备有限公司 一种电流互感器测试装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE822570C (de) * 1949-12-29 1951-11-26 Hartmann & Braun Ag Stromwandler mit durch einen einfachen Handgriff zu oeffnendem Eisenkern
FR2170303A5 (de) * 1971-12-07 1973-09-14 Marechaux Dubost & Cie
AU8513375A (en) * 1974-09-26 1977-03-31 Sample Ind Pty Ltd Measuring current by inductive coupling
GB1554721A (en) * 1975-07-12 1979-10-31 Sonicaid Ltd Ultrasonic examination apparatus
FR2334112A1 (fr) * 1975-12-04 1977-07-01 Marechaux Dubost & Cie Pince amperemetrique
US4152390A (en) * 1976-12-17 1979-05-01 Eastman Kodak Company Chemical analyzer
US4115897A (en) * 1977-10-11 1978-09-26 Eaton Corporation Zero force hold open door closer
US4234863A (en) * 1978-11-08 1980-11-18 Dixson, Inc. Inductive pickup clip
US4283677A (en) * 1979-05-18 1981-08-11 Shoji Niwa Clamp type galvanometer
JPS5928367Y2 (ja) * 1979-11-20 1984-08-16 共立電気計器株式会社 クランプ式電流計
US4467198A (en) * 1981-09-22 1984-08-21 Twin City International Inc. Radiation shielding arrangement for coating thickness measurement device
FR2538555B1 (fr) * 1982-12-22 1985-08-16 Universal Technic Pince de mesure de courant electrique a circuit magnetique a branche pivotante
FR2538556B1 (fr) * 1982-12-22 1985-06-28 Universal Technic Pince de mesure de courant electrique a circuit magnetique s'ouvrant par mouvement lineaire
US4635055A (en) * 1983-04-13 1987-01-06 Niagara Mohawk Power Corporation Apparatus for measuring the temperature and other parameters of an electic power conductor

Also Published As

Publication number Publication date
DE3780185T2 (de) 1992-12-24
US4825154A (en) 1989-04-25
EP0233756B1 (de) 1992-07-08
DE3780185D1 (en) 1992-08-13
GB8603781D0 (en) 1986-03-19
EP0233756A1 (de) 1987-08-26

Similar Documents

Publication Publication Date Title
ATE78104T1 (de) Stromsonde.
KR900019298U (ko) 전기 접속용 폐쇄장치
DE3887090D1 (de) Supraleitender strombegrenzender Apparat.
LT2628B (lt) Karbazolil-(4)-oksi-propanolamino dariniu arba ju drusku gavimo budas (jo variantai)
DE59010639D1 (de) Wirbelstromprüfgerät
DE3771465D1 (de) Schaltkabelgelenke eines elektrischen schalters.
ES8609705A1 (es) Un aparato para percibir el movimiento de rotacion relativo entre dos miembros
AU531964B2 (en) Sampling/analysing iron ore dust
EP0302721A3 (de) Schalteranordnung
AU496953B2 (en) Split pole eddy current test coil
SE8505098D0 (sv) A circuit breaking apparatus with remote controlled opening and closing of its circuits
JPS53104194A (en) Continuous current switch for shorting superconductive magnet
DE69015136D1 (de) Aufbau eines elektrischen Leiters.
IT8521679A0 (it) Utensile a ganasce mobili con perno di incernieramento regolabile.
AU512522B2 (en) Sliding gate actuator
GB8602554D0 (en) Eddy current testing
AT357739B (de) Freitragendes schiebetor
SE7906580L (sv) Hogspenningsfranskiljare
ATE93086T1 (de) Hochstromschalter.
AU6132986A (en) Eddy current inspection device
AU498999B2 (en) All electric excavating and loadings'stem
DK172086D0 (da) Under belastning aabnende hoejspaendingsdrejeafbryder
MD714B1 (en) Multivalued standard of electrical conductivity-resistance
JPS5618317A (en) Gas bushing device for high voltage
SU658736A1 (ru) Коммутатор

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties