GB2548736B - Fault Current Limiter with Permanent Magnets and Central and Outer Cores - Google Patents

Fault Current Limiter with Permanent Magnets and Central and Outer Cores

Info

Publication number
GB2548736B
GB2548736B GB1709320.4A GB201709320A GB2548736B GB 2548736 B GB2548736 B GB 2548736B GB 201709320 A GB201709320 A GB 201709320A GB 2548736 B GB2548736 B GB 2548736B
Authority
GB
United Kingdom
Prior art keywords
central
permanent magnets
fault current
current limiter
outer cores
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
GB1709320.4A
Other versions
GB2548736A (en
GB201709320D0 (en
Inventor
Peter Hall Jeremy
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.)
FAULTCURRENT Ltd
Original Assignee
FAULTCURRENT 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 FAULTCURRENT Ltd filed Critical FAULTCURRENT Ltd
Priority to GB1709320.4A priority Critical patent/GB2548736B/en
Priority claimed from GB1402315.4A external-priority patent/GB2507901B/en
Publication of GB201709320D0 publication Critical patent/GB201709320D0/en
Publication of GB2548736A publication Critical patent/GB2548736A/en
Application granted granted Critical
Publication of GB2548736B publication Critical patent/GB2548736B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/02—Adaptations of transformers or inductances for specific applications or functions for non-linear operation
    • H01F38/023—Adaptations of transformers or inductances for specific applications or functions for non-linear operation of inductances
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/18—Disposition or arrangement of fuses
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection 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
    • H01F2003/103—Magnetic circuits with permanent magnets

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Emergency Protection Circuit Devices (AREA)
GB1709320.4A 2012-08-30 2012-08-30 Fault Current Limiter with Permanent Magnets and Central and Outer Cores Expired - Fee Related GB2548736B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1709320.4A GB2548736B (en) 2012-08-30 2012-08-30 Fault Current Limiter with Permanent Magnets and Central and Outer Cores

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1402315.4A GB2507901B (en) 2011-08-31 2012-08-30 Fault current limiter
GB1709320.4A GB2548736B (en) 2012-08-30 2012-08-30 Fault Current Limiter with Permanent Magnets and Central and Outer Cores

Publications (3)

Publication Number Publication Date
GB201709320D0 GB201709320D0 (en) 2017-07-26
GB2548736A GB2548736A (en) 2017-09-27
GB2548736B true GB2548736B (en) 2018-02-14

Family

ID=59358344

Family Applications (3)

Application Number Title Priority Date Filing Date
GB1709319.6A Expired - Fee Related GB2549019B (en) 2012-08-30 2012-08-30 Fault current limiter
GB1709320.4A Expired - Fee Related GB2548736B (en) 2012-08-30 2012-08-30 Fault Current Limiter with Permanent Magnets and Central and Outer Cores
GB1709323.8A Expired - Fee Related GB2548737B (en) 2012-08-30 2012-08-30 Fault Current limiter with permanent magnets and saturable core

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB1709319.6A Expired - Fee Related GB2549019B (en) 2012-08-30 2012-08-30 Fault current limiter

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB1709323.8A Expired - Fee Related GB2548737B (en) 2012-08-30 2012-08-30 Fault Current limiter with permanent magnets and saturable core

Country Status (1)

Country Link
GB (3) GB2549019B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6885272B1 (en) * 1998-09-29 2005-04-26 Delta Group Xfo Inc. Permanent magnetic core device
WO2011024179A2 (en) * 2009-08-31 2011-03-03 Bar Ilan Research & Development Company Ltd. Improved fault current limiter with saturated core

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6885272B1 (en) * 1998-09-29 2005-04-26 Delta Group Xfo Inc. Permanent magnetic core device
WO2011024179A2 (en) * 2009-08-31 2011-03-03 Bar Ilan Research & Development Company Ltd. Improved fault current limiter with saturated core

Also Published As

Publication number Publication date
GB2549019A (en) 2017-10-04
GB2548737A (en) 2017-09-27
GB2548736A (en) 2017-09-27
GB201709323D0 (en) 2017-07-26
GB201709320D0 (en) 2017-07-26
GB2549019B (en) 2018-01-31
GB2548737B (en) 2018-02-21
GB201709319D0 (en) 2017-07-26

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20210701 AND 20210707

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20220830