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Control of DFIG Wind Turbines Based on Indirect Matrix Converters in Short Circuit Mode to Improve the LVRT Capability
Year: 2013
Abstract:
grid codes wind turbinesmust have low voltage ride-through (LVRT) capability. In this paper a new crowbar systemis proposed so that along with the control system it protects the IMC from large fault currents and supports the grid voltage dips during...
GA-Based Optimal LQR Controller to Improve LVRT Capability of DFIG Wind Turbines
Year: 2013
Abstract:
of the bulky electrolytic capacitor. According to the recent grid
codes it is required that the wind turbines remain connected to the grid during the grid
faults and the following voltage dips. This feature is called Low Voltage Ride-Through
(LVRT...