STATCOM Model for Integration of Wind Turbine to Grid
نویسندگان
چکیده
The system stability is greatly hampered when green electricity is feed into the conventional electricity network due to intermittent nature of renewable sources. The electricity generation from wind so far predominates than that of other renewable sources. In order to maintain system stability of the electricity network, IEC-61400 (International Electro-technical Commission) standard has defined for performance and power quality of wind turbine. The power quality issues like frequency, voltge sag and swell, active and reactive power, flicker and harmonics are needed to be considered in case of integration of green electricity to grid. Various FACTS (Flexible AC transmission system) devices are used for system restoration. In this paper, a STATCOM (static compensator) model is proposed for improving the power quality in case of feeding generated electricity from the wind turbine into the grid. The STATCOM is connected at a point in between doubly fed induction generator based wind turbine and grid with a storage option.The STATCOM model is designed and simulated by MATLAB Simulink. The simulation results indicate that the bus voltage intially starts to decrease from the rated value of 1 pu and later it stabilizes to 1 pu due to addition of STACOM in the designed system.
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