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DTC Control of Induction Motor Drive Using Multilevel Inverter
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Multilevel inverter (MLI) is commonly utilized in direct torque control (DTC) for medium and high-power applications. The additional voltage vectors generated by MLI can be manipulated to achieve the optimal selection for the inverter switching states in the DTC control systems. A Novel multilevel inverter structure is proposed for Direct Torque Control (DTC) Control of induction motor drive. It is shown that the multilevel topology presents enough degrees of freedom to control both electromagnetic torque and stator flux with very low ripple and high speed dynamic response on other side. Simulation results, obtained with five-level inverter and seven-level inverter, are presented and compared. This analysis shows that feeding electrical drive with multilevel inverters can greatly improve the drive performance.
Title: DTC Control of Induction Motor Drive Using Multilevel Inverter
Description:
Multilevel inverter (MLI) is commonly utilized in direct torque control (DTC) for medium and high-power applications.
The additional voltage vectors generated by MLI can be manipulated to achieve the optimal selection for the inverter switching states in the DTC control systems.
A Novel multilevel inverter structure is proposed for Direct Torque Control (DTC) Control of induction motor drive.
It is shown that the multilevel topology presents enough degrees of freedom to control both electromagnetic torque and stator flux with very low ripple and high speed dynamic response on other side.
Simulation results, obtained with five-level inverter and seven-level inverter, are presented and compared.
This analysis shows that feeding electrical drive with multilevel inverters can greatly improve the drive performance.
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