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This paper develops a framework of maximum power point tracking (MPPT) of doubly-fed induction generator (DFIG) based and permanent magnet synchronous generator (PMSG) based wind energy systems. The principles of MPPT in various wind generators are firstly investigated and feedback control schemes to realize MPPT with/without wind speed measurements are presented. Stability analysis of the wind energy...
This letter develops a coordination control strategy for wind farms with line commutated converter (LCC) based HVDC delivery to participate in load frequency control. The coordination philosophy is to let the HVDC rectifier sense the grid frequency. If the grid frequency is too high or too low, active power flow through the HVDC link will be ramped down or up by introducing a droop at the rectifier...
In this paper, control of inter-area oscillation in power systems with high wind power penetration is achieved via doubly fed induction generator (DFIG). The DFIG is modeled in Matlabreg/Simulink. A two-area system is investigated with a wind farm connected in the area that exports power. Control schemes for active power and reactive power regulation are designed firstly. The paper finds that without...
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