EP2550715A4 - Method and apparatus for suppressing an inrush current of a trans former - Google Patents

Method and apparatus for suppressing an inrush current of a trans former

Info

Publication number
EP2550715A4
EP2550715A4 EP10848150.8A EP10848150A EP2550715A4 EP 2550715 A4 EP2550715 A4 EP 2550715A4 EP 10848150 A EP10848150 A EP 10848150A EP 2550715 A4 EP2550715 A4 EP 2550715A4
Authority
EP
European Patent Office
Prior art keywords
suppressing
inrush current
trans former
trans
former
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.)
Withdrawn
Application number
EP10848150.8A
Other languages
German (de)
French (fr)
Other versions
EP2550715A1 (en
Inventor
Ming Li
Jun Shi
Er Yu
Enrique Gaxiola
Gerd Griepentrog
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP2550715A1 publication Critical patent/EP2550715A1/en
Publication of EP2550715A4 publication Critical patent/EP2550715A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • H02H9/001—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection limiting speed of change of electric quantities, e.g. soft switching on or off
    • H02H9/002—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection limiting speed of change of electric quantities, e.g. soft switching on or off limiting inrush current on switching on of inductive loads subjected to remanence, e.g. transformers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/04—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Protection Of Transformers (AREA)
  • Keying Circuit Devices (AREA)
EP10848150.8A 2010-03-22 2010-03-22 Method and apparatus for suppressing an inrush current of a trans former Withdrawn EP2550715A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2010/000344 WO2011116488A1 (en) 2010-03-22 2010-03-22 Method and apparatus for suppressing an inrush current of a trans former

Publications (2)

Publication Number Publication Date
EP2550715A1 EP2550715A1 (en) 2013-01-30
EP2550715A4 true EP2550715A4 (en) 2016-11-09

Family

ID=44672418

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10848150.8A Withdrawn EP2550715A4 (en) 2010-03-22 2010-03-22 Method and apparatus for suppressing an inrush current of a trans former

Country Status (3)

Country Link
EP (1) EP2550715A4 (en)
CN (1) CN102834994B (en)
WO (1) WO2011116488A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103078517A (en) * 2012-12-27 2013-05-01 保定天威集团有限公司 Generation device and method for magnetizing inrush current of three-phase transformer
US9590536B2 (en) * 2013-03-15 2017-03-07 Rockwell Automation Technolgies, Inc. Two-step connection of electric motors by means of electromagnetic switches
WO2015083145A1 (en) * 2013-12-08 2015-06-11 Vizimax Inc. Controlled switching devices and method of using the same
EP3164922A4 (en) * 2014-07-02 2018-04-11 Vizimax Inc. Controlled switching devices and method of using the same
CN104300498B (en) * 2014-10-22 2017-05-03 江苏省电力公司扬州供电公司 Transformer magnetizing inrush current restraining and differential protection matching method
FR3044186B1 (en) * 2015-11-23 2017-12-22 General Electric Technology Gmbh METHOD AND DEVICE FOR POWERING A POWER TRANSFORMER
CN105449652B (en) * 2015-12-22 2017-11-21 南京国电南自电网自动化有限公司 A kind of positive sequence voltage phase control type excitation surge current suppressing method
CN105870897B (en) * 2016-06-02 2018-04-10 国网山东省电力公司莱芜供电公司 A kind of inrush phenomenon restraining device for jumping breaker altogether based on three-phase
JP6713942B2 (en) * 2017-03-14 2020-06-24 三菱電機株式会社 Excitation current suppressor and power switchgear
US11695362B2 (en) 2018-10-12 2023-07-04 Sew-Eurodrive Gmbh & Co. Kg Method for monitoring the operation of an electric motor, and lifting mechanism
US11437205B2 (en) * 2018-12-27 2022-09-06 Hitachi Energy Switzerland Ag Method and device for monitoring operation of a switching device for controlled switching applications
EP3716432A1 (en) * 2019-03-29 2020-09-30 ABB Schweiz AG Operating a circuit breaker from a variable speed drive arrangement

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002095893A1 (en) * 2001-05-25 2002-11-28 Abb Oy Method and arrangement for reducing stress in electrical network
EP2091058A1 (en) * 2006-11-29 2009-08-19 Kabushiki Kaisha Toshiba Apparatus and method for compressing exciting inrush current of transformer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001218354A (en) * 1999-11-25 2001-08-10 Mitsubishi Electric Corp Phase control switchgear
US8008810B2 (en) * 2007-04-20 2011-08-30 Mitsubishi Electric Corporation Phase-control switching apparatus and switching control method for phase-control switching apparatus
JP5055602B2 (en) * 2007-11-27 2012-10-24 三菱電機株式会社 Transformer operation control apparatus and method
EP2093853B1 (en) * 2008-02-22 2013-11-06 Balfour Beatty PLC A method and an apparatus for reducing inrush currents for railways
JP5208593B2 (en) * 2008-06-20 2013-06-12 株式会社東芝 Inrush current suppressing device for transformer and control method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002095893A1 (en) * 2001-05-25 2002-11-28 Abb Oy Method and arrangement for reducing stress in electrical network
EP2091058A1 (en) * 2006-11-29 2009-08-19 Kabushiki Kaisha Toshiba Apparatus and method for compressing exciting inrush current of transformer

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2011116488A1 *

Also Published As

Publication number Publication date
EP2550715A1 (en) 2013-01-30
WO2011116488A8 (en) 2013-05-02
CN102834994A (en) 2012-12-19
WO2011116488A1 (en) 2011-09-29
CN102834994B (en) 2015-05-20

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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17P Request for examination filed

Effective date: 20120905

AK Designated contracting states

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Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: SIEMENS AKTIENGESELLSCHAFT

RIN1 Information on inventor provided before grant (corrected)

Inventor name: SHI, JUN

Inventor name: GRIEPENTROG, GERD

Inventor name: YU, ER

Inventor name: LI, MING

Inventor name: GAXIOLA, ENRIQUE

DAX Request for extension of the european patent (deleted)
RA4 Supplementary search report drawn up and despatched (corrected)

Effective date: 20161010

RIC1 Information provided on ipc code assigned before grant

Ipc: H02H 7/04 20060101ALN20161004BHEP

Ipc: H02H 9/00 20060101AFI20161004BHEP

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: SIEMENS AKTIENGESELLSCHAFT

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