CA2554117A1 - Protection contre une surcharge thermique - Google Patents

Protection contre une surcharge thermique Download PDF

Info

Publication number
CA2554117A1
CA2554117A1 CA002554117A CA2554117A CA2554117A1 CA 2554117 A1 CA2554117 A1 CA 2554117A1 CA 002554117 A CA002554117 A CA 002554117A CA 2554117 A CA2554117 A CA 2554117A CA 2554117 A1 CA2554117 A1 CA 2554117A1
Authority
CA
Canada
Prior art keywords
scaling
thermal load
electrical device
current
delta
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.)
Granted
Application number
CA002554117A
Other languages
English (en)
Other versions
CA2554117C (fr
Inventor
Janne Kuivalainen
Peter Osterback
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.)
ABB Oy
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2554117A1 publication Critical patent/CA2554117A1/fr
Application granted granted Critical
Publication of CA2554117C publication Critical patent/CA2554117C/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H6/00—Emergency protective circuit arrangements responsive to undesired changes from normal non-electric working conditions using simulators of the apparatus being protected, e.g. using thermal images
    • H02H6/005—Emergency protective circuit arrangements responsive to undesired changes from normal non-electric working conditions using simulators of the apparatus being protected, e.g. using thermal images using digital thermal images

Landscapes

  • Protection Of Generators And Motors (AREA)
  • Control Of Electric Motors In General (AREA)
  • Emergency Protection Circuit Devices (AREA)
CA2554117A 2004-02-02 2005-02-01 Protection contre une surcharge thermique Expired - Fee Related CA2554117C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI20040154A FI118659B (fi) 2004-02-02 2004-02-02 Terminen ylikuormitussuoja
FI20040154 2004-02-02
PCT/FI2005/000066 WO2005074089A1 (fr) 2004-02-02 2005-02-01 Protection contre une surcharge thermique

Publications (2)

Publication Number Publication Date
CA2554117A1 true CA2554117A1 (fr) 2005-08-11
CA2554117C CA2554117C (fr) 2012-08-14

Family

ID=31725639

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2554117A Expired - Fee Related CA2554117C (fr) 2004-02-02 2005-02-01 Protection contre une surcharge thermique

Country Status (5)

Country Link
EP (1) EP1719231A1 (fr)
CN (1) CN100539347C (fr)
CA (1) CA2554117C (fr)
FI (1) FI118659B (fr)
WO (1) WO2005074089A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103928906A (zh) * 2014-03-26 2014-07-16 广州白云电器设备股份有限公司 一种电力系统的热过负荷保护方法
WO2018042389A1 (fr) 2016-09-02 2018-03-08 Kongsberg Inc. Techniques de limitation de courant électrique alimentant un moteur dans un système de direction assistée électrique

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4796142A (en) * 1986-10-16 1989-01-03 Square D Company Overload protection apparatus for emulating the response of a thermal overload
US4807153A (en) * 1986-11-20 1989-02-21 Unimation Inc. Multiaxis digital robot control having a backup velocity monitor and protection system
DE19948715A1 (de) * 1999-09-30 2001-04-12 Siemens Ag Verfahren zur Gewinnung einer einen thermischen Zustand eines elektrischen Verbrauchers repräsentierenden Ersatzgröße und Schaltungsanordnung zur Durchführung des Verfahrens
FR2802019B1 (fr) * 1999-12-06 2002-01-18 Schneider Electric Ind Sa Relais de protection thermique

Also Published As

Publication number Publication date
WO2005074089A1 (fr) 2005-08-11
CN1914778A (zh) 2007-02-14
FI20040154A0 (fi) 2004-02-02
FI118659B (fi) 2008-01-31
FI20040154A (fi) 2005-08-03
CN100539347C (zh) 2009-09-09
CA2554117C (fr) 2012-08-14
EP1719231A1 (fr) 2006-11-08

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Effective date: 20190201