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New Sensorless Field-Oriented Control for Six Phase Induction Machines

New Sensorless Field-Oriented Control for Six Phase Induction Machines. By Sathish Kumar.K.S Edited By Sarath S Nair www.technologyfuturae.com. Introduction. SPIM –Six phase Induction machine Sensorless vector control technique Reference Model Model of SPIM. SPIM.

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New Sensorless Field-Oriented Control for Six Phase Induction Machines

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  1. New Sensorless Field-Oriented Control for Six Phase Induction Machines BySathish Kumar.K.SEdited By Sarath S Nair www.technologyfuturae.com www.technologyfuturae.com

  2. Introduction • SPIM –Six phase Induction machine • Sensorless vector control technique • Reference Model • Model of SPIM www.technologyfuturae.com

  3. SPIM Two three phase stator windings spatially shifted by 30 electrical degrees. www.technologyfuturae.com

  4. control technique • Does not required flux and speed estimators • It uses only different b/w stator current of the mathematical model and motor,then forces them to decay to zero • Simpler and does not need high computation time www.technologyfuturae.com

  5. Model of SPIM • The SPIM is a double-six-dimension system(six stator and six rotor) • Decomposed into three double-two-dimension orthogonal subspaces , (α ,β),(z1,z2),(o1,o2) www.technologyfuturae.com

  6. Contd.. y= electrical angle b/w the two three phase stator winding www.technologyfuturae.com

  7. Machine Model in (α ,β) www.technologyfuturae.com

  8. Machine Model in (z1,z2),(o1,o2) www.technologyfuturae.com

  9. Indirect Vector Control of SPIM www.technologyfuturae.com

  10. Contd.. The mechanical equation is the following in which J is inertia coefficient,and www.technologyfuturae.com

  11. Induction motor and model www.technologyfuturae.com

  12. Block diagram of overall system www.technologyfuturae.com

  13. Conclusion • A new sensorless vector control for six phase induction machines, without flux and speed estimations was studied . www.technologyfuturae.com

  14. References • IT.A.Lipo,” A d-q model for six phase induction drives”,proc.Int. Conf.Electrical Machines,vol.2,1980. • Y.Zhao & T.A.Lipo “ Space Vector PWM control of six-phase Induction machine using space vector Decomposition ”,IEEE Trans .industrial Application , vol 31,No.5 .1100-1109,sept/Oct 1995. • J.Holtz , “Sensorless Control of Induction motor Drives,”Proc.of the IEEE, vol.90 ,no. 8,Aug.2002. www.technologyfuturae.com

  15. Technical Presentations, Research Reviews, New designs & Developments Log On to www.technologyfuturae.com TechnologyFuturae

  16. Thank you. www.technologyfuturae.com

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