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Study on Direct Torque Control for VSCF Brushless Doubly-fed Wind Power Generator

Author: DuanZuoZuo
Tutor: LiHeMing
School: North China Electric Power University (Hebei)
Course: Motor and electrical
Keywords: Variable speed constant frequency
CLC: TM315
Type: Master's thesis
Year: 2009
Downloads: 202
Quote: 1
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Abstract


In the consumption of energy resources is growing, the environmental pollution is serious today, wind power because of its outstanding advantages and become the world generally pay attention to energy, variable speed constant frequency brushless doubly-fed wind power generator direct torque control because of its high efficiency and practicability are receiving more and more attention. In this paper, at first the brushless doubly-fed wind power generator operation theory analysis, the mathematical model, the coordinate transformation, operation characteristics and power relations theory formula, it is concluded that the control winding coordinates of the brushless doubly-fed machine basic electromagnetic equation, power equation and the torque equation, for the full study lays a theoretical foundation. In the research of brushless doubly-fed generator direct torque control technology after, using Matlab/Simulink simulation tool to direct torque control of approximate circular magnetic chain control methods for the simulation, and the simulation results verify control winding coordinates of the direct torque control strategy correctness and feasibility.

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CLC: > Industrial Technology > Electrotechnical > Motor > Generators, large the generator group ( Zonglun,) > Wind turbines
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