文件名称:60-448-1-PB
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Modeling and Control of a DFIG-Based Wind
Turbine During a Grid Voltage Drop
Doubly-fed induction generators (DFIG) are widely
used in wind energy generation systems. During a grid voltage
drop, performance is degraded with rotor over current
deteriorating the fault-ride through (FRT) capability of the DFIG
wind-energy generation system. In this paper, a complete
mathematical DFIG model is proposed. The rotor is considered
fed by a voltage source converter whereas the stator is connected
to the grid directly. Output power and electromagnetic torque
are controlled using field-oriented control (FOC). Simulation
results show the efficiency of the controller in exploiting the
maximum power of wind.
Turbine During a Grid Voltage Drop
Doubly-fed induction generators (DFIG) are widely
used in wind energy generation systems. During a grid voltage
drop, performance is degraded with rotor over current
deteriorating the fault-ride through (FRT) capability of the DFIG
wind-energy generation system. In this paper, a complete
mathematical DFIG model is proposed. The rotor is considered
fed by a voltage source converter whereas the stator is connected
to the grid directly. Output power and electromagnetic torque
are controlled using field-oriented control (FOC). Simulation
results show the efficiency of the controller in exploiting the
maximum power of wind.
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60-448-1-PB.pdf