JPWO2022130481A1 - - Google Patents

Info

Publication number
JPWO2022130481A1
JPWO2022130481A1 JP2022569352A JP2022569352A JPWO2022130481A1 JP WO2022130481 A1 JPWO2022130481 A1 JP WO2022130481A1 JP 2022569352 A JP2022569352 A JP 2022569352A JP 2022569352 A JP2022569352 A JP 2022569352A JP WO2022130481 A1 JPWO2022130481 A1 JP WO2022130481A1
Authority
JP
Japan
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.)
Granted
Application number
JP2022569352A
Other languages
Japanese (ja)
Other versions
JP7378644B2 (ja
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 filed Critical
Publication of JPWO2022130481A1 publication Critical patent/JPWO2022130481A1/ja
Application granted granted Critical
Publication of JP7378644B2 publication Critical patent/JP7378644B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G01R19/0092—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
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/14—Indicating direction of current; Indicating polarity of 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
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
    • G01R19/16571—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing AC or DC current with one threshold, e.g. load current, over-current, surge current or fault current
    • 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
    • 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
    • G01R31/62—Testing of transformers
    • 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
    • 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
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Transformers For Measuring Instruments (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Housings And Mounting Of Transformers (AREA)
JP2022569352A 2020-12-15 2020-12-15 零相変流器の平衡特性試験装置 Active JP7378644B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/046657 WO2022130481A1 (ja) 2020-12-15 2020-12-15 零相変流器の平衡特性試験装置

Publications (2)

Publication Number Publication Date
JPWO2022130481A1 true JPWO2022130481A1 (enrdf_load_stackoverflow) 2022-06-23
JP7378644B2 JP7378644B2 (ja) 2023-11-13

Family

ID=82057447

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022569352A Active JP7378644B2 (ja) 2020-12-15 2020-12-15 零相変流器の平衡特性試験装置

Country Status (4)

Country Link
JP (1) JP7378644B2 (enrdf_load_stackoverflow)
KR (1) KR102733342B1 (enrdf_load_stackoverflow)
CN (1) CN116529842A (enrdf_load_stackoverflow)
WO (1) WO2022130481A1 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240219481A1 (en) * 2022-12-30 2024-07-04 Schneider Electric USA, Inc. Apparatuses, systems, and methods for screening electronic components

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4947120U (enrdf_load_stackoverflow) * 1972-07-31 1974-04-25
JPS5581934U (enrdf_load_stackoverflow) * 1978-11-30 1980-06-05
JPH0421980U (enrdf_load_stackoverflow) * 1990-06-14 1992-02-24
JP2005158810A (ja) * 2003-11-20 2005-06-16 Taiwa Denki Kogyo Kk 零相変流器
JP2014238313A (ja) * 2013-06-07 2014-12-18 三菱電機株式会社 漏洩電流検知装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0421980A (ja) 1990-05-15 1992-01-24 Fujitsu Ltd 磁気ヘッドの支持機構
JP2003234224A (ja) * 2002-02-06 2003-08-22 Mitsubishi Electric Corp 零相変流器に対する導体の配置方法及び保持・位置調整装置
CN203164335U (zh) * 2013-03-27 2013-08-28 国家电网公司 一种tpy电流互感器暂态特性试验电路
JP2015184003A (ja) 2014-03-20 2015-10-22 株式会社関電工 貫通型変流器の試験用巻き線

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4947120U (enrdf_load_stackoverflow) * 1972-07-31 1974-04-25
JPS5581934U (enrdf_load_stackoverflow) * 1978-11-30 1980-06-05
JPH0421980U (enrdf_load_stackoverflow) * 1990-06-14 1992-02-24
JP2005158810A (ja) * 2003-11-20 2005-06-16 Taiwa Denki Kogyo Kk 零相変流器
JP2014238313A (ja) * 2013-06-07 2014-12-18 三菱電機株式会社 漏洩電流検知装置

Also Published As

Publication number Publication date
WO2022130481A1 (ja) 2022-06-23
JP7378644B2 (ja) 2023-11-13
KR102733342B1 (ko) 2024-11-25
KR20230021742A (ko) 2023-02-14
CN116529842A (zh) 2023-08-01

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