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Aeroelastic aspects of Wind Turbine (WT) have severe effects on power and voltage fluctuations of wind power systems. To mitigate these fluctuations, Energy Storage Systems (ESSs) can be utilized as a suitable option. In short term applications, Flywheel Energy Storage System (FESS) is considered as a proper choice among ESSs because of its fast response. In this paper, a wind farm comprising four...
This paper proposes a per-blade deterministic equivalent wind speed concept to excite higher than 3rd order drive train models. Wind shear and tower shadow effects are suitably added. In the comprehensive model, which includes turbine and site-specific parameters, several features are added i.e., height constraint is removed; the per-blade concept is applied; a higher order approach for wind shear...
Wind shear and tower shadow make the wind speed in the rotor rotating plane changing with the azimuth and lead to fluctuation of load and output power. This paper firstly analyzed the wind speed model on rotor rotating plane considering the wind shear and tower shadow. The hub axial load and mechanical power models were constructed with blade element theory. The influences of wind shear and tower...
In this paper, a new type of wind turbine simulator (WTS) based on DSEM (doubly salient electro-magnetic machine) is proposed to simulate the steady-state and dynamic characteristics of a wind turbine in direct-driven DSEG (doubly salient electromagnetic generator) wind power generation system. A simple and effective torque control strategy is proposed to realize torque closed-loop control of DSEM...
This paper presents a simulation model of a MW-level variable speed wind turbine with a permanent magnet synchronous generator (PMSG) and a full-scale converter developed in the simulation tool of PSCAD/EMTDC. Grid connected wind turbines are fluctuating power sources during continuous operation. A novel wind power fluctuations mitigation method by DC-link voltage control of variable speed wind turbines...
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