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This paper presents a voltage source control of PMSG (permanent magnet synchronous generator) suitable for the weak grid. Based on providing the control strategies of the PMSG-side and grid-side converters respectively, the model of grid-side converters has been built. Considering the voltage loop and current loop, the small-signal active power transfer function of the grid-side converter has been obtained. Then this paper analyzes the influence of virtual inertia coefficient, virtual damping coefficient, and grid strength on power transmission. Finally, the correctness of the model and analysis is verified by Matlab/Simulink simulation.

Power Characteristic Analysis of PMSG Based on Voltage Source Control Chao Wang,Zhen Xie,Yantao Feng,Pengcheng Dai

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