Low Voltage Ride Through Enhancement of Grid Connected Wind Farms

The fast growth of wind generation has led to concern about the effect of wind power on the transient stability of the electric grid. New studies must be performed in order to evaluate the behaviour of the wind farms after severe faults and improve the design of the wind farms in an efficient and economical way. Under such circumstances, the most demanding requisite for wind farm is the Fault Ride-Through (FRT) capability. Wind farms connected to high voltage transmission system must stay connected when a voltage dip occurs in the grid, otherwise, the sudden disconnection of great amount of wind power may contribute to the voltage dip, with terrible consequences. Therefore, the dynamic and transient analyses of wind generators are necessary. This book proposes some methods with suitable control strategies for wind power application that helps wind farms to be connected during grid disturbances, achieving the grid code provisions in both steady and transient conditions. The results in this book can be significant in understanding the transient stability phenomena of fixed and variable speed wind turbines and also in designing of wind farms based on transient stability requirements.

Autorentext

Okedu Kenneth Eloghene (PhD in view, Japan): Studied Electrical Electronic Engineering at University of Port Harcourt Nigeria(B.Eng,M.Eng).Lecturer at University of Port Harcourt and visiting research/lecturer to the Petroleum Institute Abu Dhabi, UAE.Research interests are power system stability analysis and integration to renewable energy.