JP7378644B2 - 零相変流器の平衡特性試験装置 - Google Patents

零相変流器の平衡特性試験装置 Download PDF

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Publication number
JP7378644B2
JP7378644B2 JP2022569352A JP2022569352A JP7378644B2 JP 7378644 B2 JP7378644 B2 JP 7378644B2 JP 2022569352 A JP2022569352 A JP 2022569352A JP 2022569352 A JP2022569352 A JP 2022569352A JP 7378644 B2 JP7378644 B2 JP 7378644B2
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Japan
Prior art keywords
zero
current transformer
phase current
wiring
hole
Prior art date
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JP2022569352A
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English (en)
Japanese (ja)
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JPWO2022130481A1 (enrdf_load_stackoverflow
Inventor
仁 米田
俊彦 宮内
勇治 大野
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Publication of JPWO2022130481A1 publication Critical patent/JPWO2022130481A1/ja
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    • 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
    • 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
    • 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 JPWO2022130481A1 (enrdf_load_stackoverflow) 2022-06-23
JP7378644B2 true JP7378644B2 (ja) 2023-11-13

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ID=82057447

Family Applications (1)

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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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (7)

* 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
JPH0421980A (ja) 1990-05-15 1992-01-24 Fujitsu Ltd 磁気ヘッドの支持機構
JPH0421980U (enrdf_load_stackoverflow) * 1990-06-14 1992-02-24
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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
KR102733342B1 (ko) 2024-11-25
KR20230021742A (ko) 2023-02-14
JPWO2022130481A1 (enrdf_load_stackoverflow) 2022-06-23
CN116529842A (zh) 2023-08-01

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