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The rotor speed of DFIG(doubly fed induction generator) and system frequency are decoupled, this leads to poor responding performance of DFIG to the change of power system frequency. The rotary inertia and primary frequency control ability are decreased with wind power penetration growing continuously. In order to reduce the negative impact of wind power on system frequency, a variable parameters...
A new model and the relevant algorithm for the power system probabilistic cost production simulation with wind power penetration based on chronological load curve using universal generating function methods of multi-state system theory considering the characteristics of both load and wind power are presented in this paper. The power output models of wind farm, conventional units and load considering...
Because of the intermittent and uncertainties of wind speed, the difficulty of absorbing wind power increases with wind power penetration growing continuously. The prediction error of wind farm output is large, and it varies with the wind speed and fluctuation, therefore, different reserve capacity is needed to meet power supply and demand balance. Due to above issue, this paper presents a gradual...
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