International Conference Kyo-Beum Lee and Frede Blaabjerg, “Performance Improvement of DTC-SVM for Maxtrix Converter Drives Using an Overmodulation Strategy,” in Proc. IPEC (ECCE-Asia) Conf., CD format, May 2005, pp. 629–635.
2005
본문
In this paper, an improved direct torque control (DTC) method for matrix converter drives is proposed which enables to minimize
torque ripple and to obtain unity input power factor, while maintaining constant switching frequency and fast torque dynamics. It is
possible to combine the advantages of matrix converters with the advantages of the DTC strategy using space vector modulation and
a flux deadbeat control. However, drawbacks still exist such as a degrading of dynamic torque response compared to the basic DTC
method. In the proposed scheme, an improved DTC strategy for matrix converter drives is derived using an overmodulation strategy.
Experimental results are shown to illustrate the feasibility of the proposed strategy.
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