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The inertia response control (IRC) of doubly-fed induction generators is capable of providing the power system with controlled inertia by releasing mechanical power to or absorbing electrical power from the system when the system frequency experiences sudden changes. However, it will result in deviation of the rotor speed from the optimal working point and unexpectedly reduce the captured wind power...
An important aspect of research on integrating wind farms is the analysis of short circuit current contribution to the power grid. In this paper, the fault related features of doubly fed induction generators (DFIGs) are modeled using low voltage ride through (LVRT) test data sets. The dynamic behavior of DFIGs after fault occurrence is represented by a typical curve that is obtained using a curve...
With increased penetration of wind power, the impact of doubly fed induction generator (DFIG) on small signal stability of power systems gains more and more attention. Control of DFIGs depends on accurate phase lock information of DFIG terminal voltage from phase lock loop (PLL). This paper carefully evaluates the influence of PLL dynamics and steady-state error on low frequency oscillation using...
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