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Nowadays, wind power has been developed very fast in China and the installed capacity of wind turbine has been increased rapidly. As an important wind driven generator, doubly-fed induction generator (DFIG) has been applied very popularly for its many advantages, such as less converter losses and simpler control methods. When the grid voltage dip occurs, a crowbar beside the rotor-side converter is...
In April and May 2011 model tests have been conducted in the Offshore wave basin of MARIN to calibrate and validate simulation codes for floating wind turbines. This paper reports on a numerical study of an offshore floating wind turbine (OFWT) and about the comparison of simulation results with experiments at model scale. This numerical study aims to reproduce the physical model tests of a wind turbine...
The rate at which large variable speed wind farms are being developed had increased rapidly as the demand for green energy has grown. With this increase in distributed energy penetration into power networks, the main focus must be on power quality (Voltage Quality and Supply Reliability). However, new grid codes require wind energy generating systems to ride through grid faults, and at the same time...
This paper proposes a novel control strategy for Doubly Fed Induction Generator (DFIG) based wind power system and Permanent Magnet Synchronous Generator (PMSG) based wind power system during grid voltage dips. Based on a comparative study, the rotor over-current of DFIG and DC-link over-voltage of PMSG are identified as two main issues during grid voltage dips. A novel control strategy is proposed...
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