A novel control strategy for five-phase concentrated full-pitch windings induction motor under open-phase fault

This paper presents a novel control of five-phase induction motor under open-phase fault, the proposed control scheme ensures that five-phase concentrated full-pitch winding induction motor operates continuously without additional hardware connections. The decoupled model of five-phase concentrated full-pitch windings induction motor has been built, by calculating the steady-state electromagnetic torque, condition for reducing the electrical torque oscillations is analyzed. On the basis above, a rotor field-oriented tolerant control method is proposed, reference voltages are calculated, and then the control method referred is validated by simulations and experiments for one phase open. The simulations and experimental results have verified that the proposed method could reduce the electrical torque oscillations of five-phase induction motor operated under phases open greatly.

[1]  Y. Zhao,et al.  Modeling and control of a multi-phase induction machine with structural unbalance , 1996 .

[2]  A.M.N. Lima,et al.  An induction motor drive system with improved fault tolerance , 2000, Conference Record of the 2000 IEEE Industry Applications Conference. Thirty-Fifth IAS Annual Meeting and World Conference on Industrial Applications of Electrical Energy (Cat. No.00CH37129).

[3]  G.A. Capolino,et al.  Torque Ripples Suppression for Six-Phase Induction Motors Under Open Phase Faults , 2006, IECON 2006 - 32nd Annual Conference on IEEE Industrial Electronics.

[4]  Y. Zhao,et al.  Modeling and control of a multi-phase induction machine with structural unbalance part II. Field-oriented control and experimental verification , 1996 .

[5]  Hamid A. Toliyat,et al.  Resilient current control of five-phase induction motor under asymmetrical fault conditions , 2002, APEC. Seventeenth Annual IEEE Applied Power Electronics Conference and Exposition (Cat. No.02CH37335).

[6]  André M. S. Mendes,et al.  Fault-Tolerant Operating Strategies Applied to Three-Phase Induction-Motor Drives , 2006, IEEE Transactions on Industrial Electronics.

[7]  Cai Wei.  Five-phase induction motor SVM-DTC strategies with third harmonic voltage injection , 2010 .

[8]  F. Betin,et al.  Six-phase induction machine drive model for fault-tolerant operation , 2009, 2009 IEEE International Symposium on Diagnostics for Electric Machines, Power Electronics and Drives.

[9]  Guo Yun-jun.  Air-gap MMF Analysis of Fifteen-phase Induction Motor With Non-sinusoidal Supply , 2009 .

[10]  G.A. Capolino,et al.  Decoupling Modeling and Control of Six-Phase Induction Machines Under Open Phase Fault Conditions , 2006, IECON 2006 - 32nd Annual Conference on IEEE Industrial Electronics.

[11]  Seung-Ki Sul,et al.  Synchronous frame current control of multi-phase synchronous motor. Part I. Modeling and current control based on multiple d-q spaces concept under balanced condition , 2004, Conference Record of the 2004 IEEE Industry Applications Conference, 2004. 39th IAS Annual Meeting..

[12]  Gérard-André Capolino,et al.  Modeling and Control of Six-Phase Symmetrical Induction Machine Under Fault Condition Due to Open Phases , 2008, IEEE Transactions on Industrial Electronics.

[13]  Debaprasad Kastha,et al.  An improved starting strategy for voltage-source inverter fed three phase induction motor drives under inverter fault conditions , 2000 .

[14]  N. Bianchi,et al.  Strategies for the Fault-Tolerant Current Control of a Five-Phase Permanent-Magnet Motor , 2007, IEEE Transactions on Industry Applications.

[15]  Seung-Ki Sul,et al.  Synchronous-frame current control of multiphase synchronous motor under asymmetric fault condition due to open phases , 2004, IEEE Transactions on Industry Applications.