GB201711964D0 - Ferrite core, current mutual inductor and current leakage protection switch - Google Patents

Ferrite core, current mutual inductor and current leakage protection switch

Info

Publication number
GB201711964D0
GB201711964D0 GBGB1711964.5A GB201711964A GB201711964D0 GB 201711964 D0 GB201711964 D0 GB 201711964D0 GB 201711964 A GB201711964 A GB 201711964A GB 201711964 D0 GB201711964 D0 GB 201711964D0
Authority
GB
United Kingdom
Prior art keywords
current
ferrite core
mutual inductor
protection switch
leakage protection
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
GBGB1711964.5A
Other versions
GB2553908A (en
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.)
Schneider Electric Industries SAS
Original Assignee
Schneider Electric Industries SAS
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 Schneider Electric Industries SAS filed Critical Schneider Electric Industries SAS
Publication of GB201711964D0 publication Critical patent/GB201711964D0/en
Publication of GB2553908A publication Critical patent/GB2553908A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/10—Composite arrangements of magnetic circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/08—Cores, Yokes, or armatures made from powder
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type 
    • H01F17/04—Fixed inductances of the signal type  with magnetic core
    • H01F17/06—Fixed inductances of the signal type  with magnetic core with core substantially closed in itself, e.g. toroid
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/10—Composite arrangements of magnetic circuits
    • H01F2003/106—Magnetic circuits using combinations of different magnetic materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Soft Magnetic Materials (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Emergency Protection Circuit Devices (AREA)
GB1711964.5A 2016-07-25 2017-07-25 Ferrite core, current mutual inductor and current leakage protection switch Pending GB2553908A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610592898.5A CN107658092B (en) 2016-07-25 2016-07-25 Ferrite core, current transformer and earth leakage protection switch

Publications (2)

Publication Number Publication Date
GB201711964D0 true GB201711964D0 (en) 2017-09-06
GB2553908A GB2553908A (en) 2018-03-21

Family

ID=59771608

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1711964.5A Pending GB2553908A (en) 2016-07-25 2017-07-25 Ferrite core, current mutual inductor and current leakage protection switch

Country Status (5)

Country Link
CN (1) CN107658092B (en)
AU (1) AU2017208249B2 (en)
GB (1) GB2553908A (en)
NZ (1) NZ734059A (en)
RU (1) RU2738254C2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115583832B (en) * 2022-09-09 2023-09-29 华为数字能源技术有限公司 Magnetic core, preparation method thereof, common-mode inductor and electronic device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB708121A (en) * 1950-04-20 1954-04-28 Philips Electrical Ind Ltd Improvements in or relating to inductance coils comprising a ferro-magnetic core of highly-permeable ferrite
BE521341A (en) * 1952-07-10
GB734243A (en) * 1952-07-10 1955-07-27 Philips Electrical Ind Ltd Improvements in or relating to ferromagnetic ferrite cores
US3065181A (en) * 1956-09-24 1962-11-20 Sprague Electric Co Inductor materials
DE2062694B2 (en) * 1970-09-08 1975-05-28 Siemens Ag, 1000 Berlin Und 8000 Muenchen Residual current circuit breaker
CH607057A5 (en) * 1975-03-03 1978-11-30 Bbc Brown Boveri & Cie
JPS63208210A (en) * 1987-02-25 1988-08-29 Hitachi Ltd Transformer for magnetron power source
CN2059031U (en) * 1989-07-15 1990-07-04 刘豫东 Single-direction leakage protective efficient switch

Also Published As

Publication number Publication date
AU2017208249A1 (en) 2018-02-08
RU2017126617A3 (en) 2020-06-26
NZ734059A (en) 2022-07-29
CN107658092B (en) 2020-06-05
RU2017126617A (en) 2019-01-25
RU2738254C2 (en) 2020-12-11
GB2553908A (en) 2018-03-21
CN107658092A (en) 2018-02-02
AU2017208249B2 (en) 2021-08-05

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