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This paper has researched on the control strategy of PMSG direct-drive tidal generation system with LCL filter. Firstly, the model of PMSG (permanent magnet synchronous generator) with LCL filter is established in dq-frame, and then according to the analysis of the model, the equivalent circuit and admittance seen from the converter side in dq-frame is obtained. The bode figure shows that the LCL...
In order to improve the performance of power converters based interconnected system, input and output impedance of power converter are employed to investigate the cause leads to interaction in a typical cascade system, detail theoretical analyse is presented in this paper, then some practical design guide lines are induced to attenuate the interaction among power converters, by applying these rules,...
H∞ robust control is employed to deal with parameters perturbation and external disturbance attenuation for an induction motor with rotor field oriented in this paper. Firstly, nonlinear compensation is introduced to realize dynamically input-output decoupling for induction motor with rotor field oriented to solve the problems that vector control of induction motor only realizes partial steady state...
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