نتایج جستجو برای: low voltage ride through

تعداد نتایج: 2486257  

Journal: :Mathematics 2022

Grid faults are found to be one of the major issues in renewable energy systems, particularly wind conversion systems (WECS) connected grid via back-to-back (BTB) converters. Under such faulty conditions, system requires an effective regulation active (P) and reactive (Q) power accomplish low voltage ride through (LVRT) operation accordance with codes. In this paper, improved finite-control-set...

2016
Ahmed El-Naggar

The linear quadratic regulator (LQR) controller is used to enhance the low voltage ride through (LVRT) of doubly-fed induction generator based wind turbines (DFIG-WT). A heuristic optimization method, which is MVMO, is used for optimal design of the LQR weighting matrices Q and R. The objective function of the optimization problem is to minimize the peak short-circuit current and the associated...

2011
Hossein Hosseini Mohsen Kalantar

In this paper the effect of presence of wind farms on relay coordination at fault condition and transient response at reclosing condition is studied. Wind farms as one of the important distribution generations (DGs) are so effective on overcurrent relay coordination in power systems. As well as Wind farms cause to severe oscillations on voltage, power and frequency in power system after reclosi...

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