Electric machine

Details for Australian Patent Application No. 2003245234 (hide)

Owner E.ON Sverige AB

Inventors Swahn, Hakan; Svensson, Bertil

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-B-2003245234

PCT Number PCT/SE03/01229

PCT Pub. Number WO2004/012327

Priority 0202343-0 31.07.02 SE; 60/426,410 15.11.02 US

Filing date 21 July 2003

Wipo publication date 16 February 2004

Acceptance publication date 21 February 2008

International Classifications

H02P 1/00 (2006.01) Arrangements for starting electric motors or dynamo-electric converters

H02P 9/10 (2006.01) Arrangements for controlling electric generators for the purpose of obtaining a desired output - Control effected upon generator excitation circuit to reduce harmful effects of overloads or transients, e.g. sudden application of load, sudden removal of load, sudden change of load

H02P 9/14 (2006.01) Arrangements for controlling electric generators for the purpose of obtaining a desired output - by variation of field

H02P 23/14 (2006.01) Arrangements or methods for the control of ac-motors characterised by a control method other than vector control - Estimation or adaptation of motor parameters, e.g. rotor time constant, flux, speed, current or voltage

H02H 6/00 (2006.01) 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

H02H 7/06 (2006.01) 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 dynamo-electric generators

Event Publications

25 September 2003 Complete Application Filed

  Priority application(s): 0202343-0 31.07.02 SE; 60/426,410 15.11.02 US

25 March 2004 Application Open to Public Inspection

  Published as AU-B-2003245234

8 November 2007 Change of Name(s) of Applicant(s), Section 104

  Sydkraft AB The name of the applicant has been changed to E.ON Sverige AB 2004

21 February 2008 Application Accepted

  Published as AU-B-2003245234

19 June 2008 Standard Patent Sealed

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