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A new reactive power optimization model involved the probability of voltage violation (PVV) and power losses to resolve the stochastic impact of wind power injection on voltage regulation. The derivation of PVV is given and applied to a variable-speed constant-frequency (VSCF) wind turbine firstly which is calculated by combining the probability of wind farm power output and the relationship between...
For the control target of capturing maximum power for variable speed wind turbine when the wind speed is below the rated wind speed, a switching “optimal” tracking controller of the generator angular velocity is designed. First, the generator optimal angular velocity is identified by using dynamic fuzzy neural network. Then a generator angular velocity optimal tracking controller is designed by using...
The tropical revolving storm MORAKOT(0908) has the great effect on Jiangsu in August. In this paper, we use the observed data of Sheyang observation tower to analyze MORAKOT's effect on wind energy utilization in Jiangsu province. The results show that the effect is more positive than negative. It is gale with stable wind direction. The full load time is more than 90% for 1.5 MW WTGS. The heavy rain,...
In order to assess the potential of wind energy resource in Jiangsu coastal area, observation and simulation method are used to study the evolution and distribution of wind speed and wind energy of surface layer in this region. The wind speed data in 2005 of Dongling wind tower of Rudong showed that the wind speed increased in accordance with the laws of the natural logarithm with height, the wind...
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