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This paper presents implementation of Feedback Linearization based control (FBLC) for the smooth connection of the doubly fed induction generator to the power grid and for the power control of the grid connected doubly fed induction generator. The induced stator voltage vector of the DFIG is synchronized with the grid voltage irrespective of the accuracy of signal from position encoder. Computer simulation...
A new method for Grid connection of a Doubly Fed Induction Generator (DFIG) based wind power generation system relying on DPC principles is presented. This control method, called Direct Power Control for Grid Connection (DPCGC), is particularly very simple and gives fast response of the stator voltage to meet the synchronization conditions. Indeed the fact that the efficiency of the widely known control...
A systematic methodology for smooth connection of wind-turbine-driven doubly fed induction generators (DFIGs) to the grid is presented. Synchronization of the voltage induced in the DFIG open stator to that of the grid, which needs to be accomplished prior to connection, is thoroughly examined. A particular grid-voltage-oriented rotor control scheme is considered for this purpose. Generic tuning equations...
A phase locked loop PLL is applied in the three phase power electronics converters to synchronize with grid voltage vector to obtain unity power factor. There are many concepts of synchronization which allow obtain a sinusoidal reference current in spite of the strongly distorted grid voltage. This paper presents another application of the phase synchronization. The variable speed induction generator...
Power electronics devices used in power generation systems with electrical machines allow variable speed operation. A high quality output power is delivered to the transmission network. Moreover the power electronics allow stand alone operation in an island power systems, as well as in grid connected systems during the mains outage. This way the variable speed power generation systems are useful even...
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