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Recent years, a large number of energy policy has introduced by Chinese government to promote the development of renewable, and improve energy efficiency, reduce the environmental pollution, increasing the security of energy supply to ensure the competitiveness of the national economy. Under this background, the distributed generation has increasingly development in China, and its proportion in the...
Large-scale wind power centralized integration is the major way of wind energy utilization in China. With the increasing scale of wind power integration, voltage security and active power loss of wind farms can't be ignored, thus it is essential to realize economical operation inside wind farms in security. Considering the typical radial feeder network inside wind farms, this paper introduce the DistFlow...
A back-to-back PWM converter is used as the excitation power supply for the doubly-fed induction generator (DFIG) wind power generation of variable speed constant frequency (VSCF). The mathematical model and control strategy of converter which is connected between rotor and grid is analyzed. Grid-side converter adopts grid voltage oriented control scheme for achieving the stability of DC-link voltage,...
The purpose of this research is to optimize control and enhance performance for a variable speed constant frequency (VSCF) doubly-fed induction generator (DFIG) wind turbine generation system by using fuzzy logic controller. The control of the rotor-side converter is realized by stator flux oriented control and the fuzzy controller performs robust speed control. The control of the grid-side converter...
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