kiyyour, brahim university of biskra - laboratory of electrical engineering biskra(lgeb), Algeria , naimi, djemai university of biskra - laboratory of electrical engineering biskra(lgeb), Algeria , salhi, ahmed university of biskra - laboratory of electrical engineering biskra(lgeb), Algeria

MODELING AND SIMULATION OF DUAL STAR INDUCTION MOTOR CONTROL USING DTC AND DIRECT FIELD ORIENTED CONTROL: A COMPARATIVE STUDY

21814

This paper presents a comparative study on two control strategies for dual star asynchronous induction motor (DSIM) drives , the first uses a direct field-oriented control (DFOC) based on rotor flux orientation, or the machine is supplied by two voltage source inverters based on sinus- triangular pulse-width modulation techniques, the second employs¶ direct torque control (DTC), this technique uses the instantaneous values of voltage vector where each reference voltage vector is computed with a DTC algorithm. The performances of the two control schemes are evaluated in terms of torque and current ripples, and transient responses to load torque variation. We can nevertheless say that the two control schemes provide in their basic configuration, comparable performances regarding the torque control and parameter sensitivity. We can note a slight advance of DTC scheme compared to DFOC scheme regarding the dynamic flux control performance and the implementation complexity. The choice of one or the other scheme will depend mainly on specific requirements of the application. The results obtained by simulation are presented and discussed.

67

Dual star induction motor (DSIM) , direct field , oriented control (DFOC) , direct torque control (DTC) , comparative study

Courrier Du Savoir

74