CN103023303A - 供电力监测系统使用的变流器组件及其组装方法 - Google Patents

供电力监测系统使用的变流器组件及其组装方法 Download PDF

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Publication number
CN103023303A
CN103023303A CN2012103540430A CN201210354043A CN103023303A CN 103023303 A CN103023303 A CN 103023303A CN 2012103540430 A CN2012103540430 A CN 2012103540430A CN 201210354043 A CN201210354043 A CN 201210354043A CN 103023303 A CN103023303 A CN 103023303A
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CN
China
Prior art keywords
current transformer
shield member
housing
current
assembly
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.)
Pending
Application number
CN2012103540430A
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English (en)
Chinese (zh)
Inventor
R.W.威尔逊
J.W.格兰特
C.D.怀特菲尔德二世
K.杨西
P.内蒂
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
Original Assignee
General Electric Co
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 filed Critical General Electric Co
Publication of CN103023303A publication Critical patent/CN103023303A/zh
Pending legal-status Critical Current

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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
    • G01R31/34—Testing dynamo-electric machines
    • G01R31/343—Testing dynamo-electric machines in operation
    • 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
    • G01R19/10—Measuring sum, difference or ratio
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36—Electric or magnetic shields or screens
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36—Electric or magnetic shields or screens
    • H01F27/366—Electric or magnetic shields or screens made of ferromagnetic material
    • 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
    • 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
    • G01R15/183—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using transformers with a magnetic core
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transformers For Measuring Instruments (AREA)
CN2012103540430A 2011-09-23 2012-09-21 供电力监测系统使用的变流器组件及其组装方法 Pending CN103023303A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/243,427 2011-09-23
US13/243,427 US8502554B2 (en) 2011-09-23 2011-09-23 Current transformer assembly for use with electrical monitoring systems and methods of assembling same

Publications (1)

Publication Number Publication Date
CN103023303A true CN103023303A (zh) 2013-04-03

Family

ID=47828054

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012103540430A Pending CN103023303A (zh) 2011-09-23 2012-09-21 供电力监测系统使用的变流器组件及其组装方法

Country Status (4)

Country Link
US (1) US8502554B2 (enExample)
JP (1) JP2013070050A (enExample)
CN (1) CN103023303A (enExample)
DE (1) DE102012108797A1 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9397484B2 (en) * 2009-12-09 2016-07-19 Veris Industries, Llc Method for mounting current sensors
US9285398B2 (en) * 2013-06-27 2016-03-15 General Electric Company Systems and methods for shielding current transducers
US9372249B2 (en) 2013-06-27 2016-06-21 General Electric Company Systems and methods for calibrating phase and sensitivity of current transducers
JP6282412B2 (ja) * 2013-06-27 2018-02-21 株式会社トーキン 零相変流器
US9411017B2 (en) 2013-11-26 2016-08-09 General Electric Company Method for inspecting wye ring
US9250272B2 (en) * 2014-02-12 2016-02-02 National Instruments Corporation Low profile current measurement connector
US9448261B2 (en) * 2014-04-11 2016-09-20 General Electric Company Systems and methods for reducing attenuation in current transducers
US10345419B2 (en) 2015-12-21 2019-07-09 General Electric Company On-line calibration and compensation of a current transformer
CN110426636A (zh) * 2019-09-09 2019-11-08 周封 智能电机电气连接片集成式物联网传感器
DE102020212901B4 (de) * 2019-10-14 2023-03-23 Lg Electronics Inc. Drahtloser leistungssensor
US20240019502A1 (en) * 2022-07-06 2024-01-18 Eaton Intelligent Power Limited Overload capability and remaining life of an electrical asset

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5124642A (en) * 1989-12-21 1992-06-23 Sigma Instruments, Inc. Power line post insulator with dual inductor current sensor
US5659251A (en) * 1994-06-30 1997-08-19 Hewlett-Packard Company Electromagnetic inductive probe
CN200941336Y (zh) * 2006-05-09 2007-08-29 北京航天常兴科技发展有限公司 半开式高精度电流互感器
CN101256892A (zh) * 2007-12-29 2008-09-03 武汉格蓝若光电互感器有限公司 新型高压独立式电子式电压互感器

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US3380009A (en) * 1967-03-10 1968-04-23 Gen Electric High voltage current transformer
US3708749A (en) 1971-03-18 1973-01-02 Tektronix Inc Current transformer
DE2409990C2 (de) * 1974-02-27 1982-11-25 Siemens AG, 1000 Berlin und 8000 München Meßwandler für Hochspannungsschaltanlagen mit Metallkapselung
JPS56129721U (enExample) * 1980-03-03 1981-10-02
US4317979A (en) 1980-05-30 1982-03-02 Westinghouse Electric Corp. High current high frequency current transformer
EP0063636B2 (de) * 1981-04-28 1992-12-30 Sprecher + Schuh AG Ringkernstromwandler zum Einbau in eine metallgekapselte Hochspannungsschaltanlage
JPS5885325U (ja) * 1981-12-04 1983-06-09 三菱電機株式会社 電磁誘導器
JPS58133918U (ja) * 1982-03-03 1983-09-09 株式会社東芝 屋外用貫通形変流器
JPH04127631U (ja) * 1991-05-14 1992-11-20 日新電機株式会社 ガス絶縁変流器
JP2543346Y2 (ja) * 1991-05-14 1997-08-06 日新電機株式会社 ガス絶縁変流器
JP3145854B2 (ja) * 1994-02-07 2001-03-12 三菱電機株式会社 電流変成器装置および絶縁導体装置
JP4020177B2 (ja) 1998-05-21 2007-12-12 三菱電機株式会社 変成器
US6373238B2 (en) 1998-07-06 2002-04-16 Veris Industries, Llc Three-phase electrical power measurement system including three transformers and a measurement circuit to calculate the power thereof
DE10011050A1 (de) 2000-03-07 2002-01-03 Vacuumschmelze Gmbh Transformator für einen Kompensationsstromsensor
US7145345B2 (en) 2003-12-23 2006-12-05 General Electric Company Current transformers for partial discharge detection on aircraft cables and wires
US7598724B2 (en) 2007-01-19 2009-10-06 Admmicro Properties, Llc Flexible current transformer assembly
US8421442B2 (en) * 2009-07-09 2013-04-16 General Electric Company High sensitivity differential current transformer for insulation health monitoring
TWI371764B (en) 2009-11-17 2012-09-01 Delta Electronics Inc Current transformer structure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5124642A (en) * 1989-12-21 1992-06-23 Sigma Instruments, Inc. Power line post insulator with dual inductor current sensor
US5659251A (en) * 1994-06-30 1997-08-19 Hewlett-Packard Company Electromagnetic inductive probe
CN200941336Y (zh) * 2006-05-09 2007-08-29 北京航天常兴科技发展有限公司 半开式高精度电流互感器
CN101256892A (zh) * 2007-12-29 2008-09-03 武汉格蓝若光电互感器有限公司 新型高压独立式电子式电压互感器

Also Published As

Publication number Publication date
DE102012108797A1 (de) 2013-03-28
US8502554B2 (en) 2013-08-06
JP2013070050A (ja) 2013-04-18
US20130076389A1 (en) 2013-03-28

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Application publication date: 20130403