Study on Direct Torque Control Applied in the Electrical Propulsion Ship

Abstract:

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With the development of AC (alternating current )technique, larger power PMSM ( permanent m- agnet synchronous motor ) has been applied in the marine electric propulsion systems. In this paper the imple- mentation of the DTC (direct torque control) systems for a variable-speed 4088kW PMSM in ship electric propulsion systems has been studied. A novel control method using SVPWM (space vector pulse width mo- dulation) was proposed and a SVPWM module was designed. Then a DTC – SVPWM simulation model of PMSM with the load of propeller was found. The simulation results shows that the variable frequency speed regulation system have good response performance in the process of the motor start or speedup and through comparing the simulation results with the experiment data of the PMSM, the validity of the model is verified.

Info:

Periodical:

Advanced Materials Research (Volumes 354-355)

Edited by:

Hao Zhang, Yang Fu and Zhong Tang

Pages:

1252-1256

DOI:

10.4028/www.scientific.net/AMR.354-355.1252

Citation:

Y. T. Zhao et al., "Study on Direct Torque Control Applied in the Electrical Propulsion Ship", Advanced Materials Research, Vols. 354-355, pp. 1252-1256, 2012

Online since:

October 2011

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Price:

$35.00

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