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This paper is focused on challenges related to an increased quantity of distribution energy resources connected to the distribution network within the context of newly defined requirements ENTSO-E, follow-up European standards TS 50549 and codes of distribution system operators on regulation of voltage through control of the reactive power in terms of P-Q diagram. A high number of connected and operated...
In this paper the analysis of Doubly Fed Induction Generator (DFIG) based Wind Energy Conversion System (WECS) is carried out and simultaneously the behavior of DFIG based WECS under normal and abnormal condition is discussed. At rotor side during abnormal condition it is observed that the dc link voltage and rotor speed of DFIG wind turbine increases, whereas the terminal voltage and the active power...
In this paper, two three-phase three-level neutral point clamped (NPC) converters connected back-to-back are used for a direct drive wind power generator. A permanent magnet synchronous generator (PMSG) is used as the generator, which is driven by the wind turbine. Main problem of voltage unbalance in each electrolyte capacitor is controlled by using a simple chopper control circuit. A simple hardware...
Modern wind plants have grown in capacity into facilities that can no longer be ignored in transmission planning studies. The most easily developed wind sites, those with an attractive wind resource in close proximity to stiff transmission system interconnections, are generally the first to be developed. Thus, a trend towards greater reactive power planning challenges with each successive wind project...
In this paper, the modeling and control strategy of a wind-diesel generation system are discussed. In the proposed topology, the diesel engine and the wind turbine are both variable-speed machines, allowing maximum fuel efficiency and optimal energy capture from the wind. A vector-controlled doubly fed induction generator is used in each generation system to provide fixed voltage and frequency to...
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