A method for measuring the operating state of a synchronous motor by using composite power angle meter

Details for Australian Patent Application No. 2003296231 (hide)

Owner Wang, Z.

Inventors Hua, Zexi; Wang, Zhaolei

Agent Griffith Hack

Pub. Number AU-B-2003296231

PCT Number PCT/CN2003/0011

PCT Pub. Number WO2005/066648

Filing date 31 December 2003

Wipo publication date 12 August 2005

Acceptance publication date 26 February 2009

International Classifications

G01R 31/34 (2006.01) Arrangements for testing electric properties - Testing dynamo-electric machines

G01R 25/00 (2006.01) Arrangements for measuring phase angle between a voltage and a current or between voltages or currents

H02P 6/00 (2006.01) Arrangements for controlling synchronous motors or other dynamo-electric motors with electronic commutators in dependence on the rotor position

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

G01R 25/02 (2006.01) Arrangements for measuring phase angle between a voltage and a current or between voltages or currents

Event Publications

29 April 2004 Complete Application Filed

15 September 2005 Application Open to Public Inspection

  Published as AU-B-2003296231

26 February 2009 Application Accepted

  Published as AU-B-2003296231

25 June 2009 Standard Patent Sealed

3 September 2009 Corrigenda

  Applications Accepted - Name Index Under the name Zhaolei Wang, Application No. 2003296231, under INID (54) correct the title to read A method for measuring the operating state of synchronous motor by using composite power angle meter Specifications Republished The following specifications contained errors when advertised OPI, Accepted or Certified. They have been reissued on the AU-A or AU-B CD-ROM of this Journal date. 2002330656 Egis Gyogyszergyar Rt. 2002331912 IGT 2003275010 S.C. Johnson & Son, Inc. 20

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