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Doubly Fed Induction Generators (DFIG) has emerged as a suitable alternative for conversion of wind energy to grid quality energy under varying wind conditions. Often the control mechanism use large number of sensors and employ complex computations. Moreover, the reported control schemes for DFIG employing grid side converter (GSC) do not ensure a drawl of unity power factor (upf) sinusoidal current...
High penetration of wind power in microgrids causes fluctuations of power flow and significantly affects the power system operation. This can lead to severe problems, such as system frequency oscillations, and/or violations of power lines capability. With proper control, a distribution static synchronous compensator (DSTATCOM) integrated with ultracapacitor energy storage (UCES) is capable to significantly...
This paper presents aspects of control and operation of a variable speed pumped storage power plant for integration of wind power in an isolated grid. A topology based on a synchronous machine and a full scale back-to-back voltage source converter is suggested for variable speed operation of the pump-turbine. With this topology, variable speed operation can be obtained in both pumping mode and generating...
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