CN202585083U - 仪用互感器以及铁共振抑制电路 - Google Patents

仪用互感器以及铁共振抑制电路 Download PDF

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Publication number
CN202585083U
CN202585083U CN2012200506005U CN201220050600U CN202585083U CN 202585083 U CN202585083 U CN 202585083U CN 2012200506005 U CN2012200506005 U CN 2012200506005U CN 201220050600 U CN201220050600 U CN 201220050600U CN 202585083 U CN202585083 U CN 202585083U
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CN
China
Prior art keywords
resonance
mentioned
ferro
instrument transformer
circuit
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 - Fee Related
Application number
CN2012200506005U
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English (en)
Chinese (zh)
Inventor
中岛宗一
小渊敏
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.)
Nissin Electric Co Ltd
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Nissin Electric Co Ltd
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 Nissin Electric Co Ltd filed Critical Nissin Electric Co Ltd
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Publication of CN202585083U publication Critical patent/CN202585083U/zh
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G01R21/06—Arrangements for measuring electric power or power factor by measuring current and voltage
    • 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
    • G01R19/0084—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring voltage only
    • 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
    • G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
    • 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
    • G01R31/001—Measuring interference from external sources to, or emission from, the device under test, e.g. EMC, EMI, EMP or ESD testing

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transformers For Measuring Instruments (AREA)
  • Emergency Protection Circuit Devices (AREA)
CN2012200506005U 2011-08-03 2012-02-16 仪用互感器以及铁共振抑制电路 Expired - Fee Related CN202585083U (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011170341A JP2013038829A (ja) 2011-08-03 2011-08-03 計器用変成器及び鉄共振抑制回路
JP2011-170341 2011-08-03

Publications (1)

Publication Number Publication Date
CN202585083U true CN202585083U (zh) 2012-12-05

Family

ID=47254469

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012200506005U Expired - Fee Related CN202585083U (zh) 2011-08-03 2012-02-16 仪用互感器以及铁共振抑制电路

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Country Link
JP (1) JP2013038829A (ja)
KR (1) KR20130016021A (ja)
CN (1) CN202585083U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105981250A (zh) * 2014-02-14 2016-09-28 西门子公司 用于产生指示电气设备中铁磁共振振荡的存在的共振信号的方法和装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101978347B1 (ko) * 2017-09-29 2019-05-15 한국서부발전 주식회사 철공진을 방지하기 위한 전력 시스템
CN108306274B (zh) * 2018-02-23 2019-04-09 南京南瑞继保电气有限公司 一种电磁式电压互感器铁磁谐振消除的控制方法
JP7251242B2 (ja) * 2019-03-22 2023-04-04 日新電機株式会社 鉄共振抑制装置及びそれを備えた電圧変成器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6062834U (ja) * 1983-10-05 1985-05-02 日新電機株式会社 計器用変圧装置
EP2128950B1 (en) * 2008-05-29 2013-01-16 ABB Research Ltd. Protection system for voltage transformers
EP2293402A1 (en) * 2009-09-07 2011-03-09 ABB Research Ltd. Protective system for voltage transformers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105981250A (zh) * 2014-02-14 2016-09-28 西门子公司 用于产生指示电气设备中铁磁共振振荡的存在的共振信号的方法和装置
CN105981250B (zh) * 2014-02-14 2018-10-16 西门子公司 用于产生指示铁磁共振振荡存在的共振信号的方法和装置

Also Published As

Publication number Publication date
JP2013038829A (ja) 2013-02-21
KR20130016021A (ko) 2013-02-14

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121205

Termination date: 20170216

CF01 Termination of patent right due to non-payment of annual fee