Hamide Kazemi

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In this paper, direct torque control (DTC) technology of doubly-fed wound rotor induction generator (DFIG) is proposed and applied to variable speed wind power generation systems. This control method is discussed based on the rotor power factor by keeping it equal to one and rotor voltage vectors obtained by using look-up table. The validity of this(More)
Database systems and computer networks technology led to distributed database development. In this article, a suitable and flexible middleware called CMDBMS is presented to control and manage database in distributed environment. In middleware the data are distributed entirely among the databases, and each database has its own database management system, and(More)
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