The paper presents a Direct Torque Control (DTC) scheme for an Induction Motor (IM) drive that makes use of only one current sensor inserted in the inverter dc link and of an ad-hoc algorithm to reconstruct the stator currents. DSP implementation of the control system of the novel DTC scheme is illustrated. Experimental traces obtained from the resultant IM drive are shown. They demonstrate that the drive exhibits the excellent performance of a conventional DTC drive although it has the same hardware as a V/f drive
DSP implementation of the control system of a direct torque control induction motor drive with reduced current sensor count
BERTOLUZZO, MANUELE;BUJA, GIUSEPPE;
2006
Abstract
The paper presents a Direct Torque Control (DTC) scheme for an Induction Motor (IM) drive that makes use of only one current sensor inserted in the inverter dc link and of an ad-hoc algorithm to reconstruct the stator currents. DSP implementation of the control system of the novel DTC scheme is illustrated. Experimental traces obtained from the resultant IM drive are shown. They demonstrate that the drive exhibits the excellent performance of a conventional DTC drive although it has the same hardware as a V/f driveFile in questo prodotto:
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