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Permanent-magnet synchronous generator (PMSG) based directly driven wind turbine is connected to grid through the grid-side converter (GSC), grid voltage swell fault directly affects the operation of grid-side converter. In this paper, the analysis of the voltage and current constraints of the GSC under grid voltage swell is given firstly, and then a high voltage ride-through (HVRT) control strategy...
With increasing intermittent and fluctuant wind power integrated into the power system, the high penetration of wind generation has brought a series of challenges including voltage stability for the safe operation of power system. Static VAR Compensator (SVC) has been widely used to control the voltage on the point of common coupling (PCC) of wind farm. When severe fault occurs and leads to serious...
With a rapid increase of large wind farms across the globe, a problem associated with the wind turbine is voltage fluctuation of the grid during power generation. Voltage fluctuation could be over voltage or voltage dips and under those conditions the performance of the wind turbines is normally deteriorated. Over voltage withstanding capability of the wind turbine is normally known as High Voltage...
In future grid codes wind farms will have to fulfill demanding fault ride through requirements. Among several grid faults the voltage swell is a critical event. Wind farms with doubly-fed induction generators will not be able to fulfill the new grid code requirements without additional fault mitigation equipment. In this publication the applicability of the dynamic voltage restorer and the static...
As wind farms are installed throughout the world, each of them must meet a specific grid code to allow them to interconnect with the regional transmission system. The grid code covers such items as voltage regulation, power factor control, low voltage ride through, and high voltage ride through. This paper discusses how the Lake Bonney wind farm, that was installed on ElectraNet's transmission system,...
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