high voltage ride through control strategy of PMSG-based wind turbine

What is it about?

When the voltage of the grid point exceeds the normal operation range due to an accident or disturbance in the power system, the wind turbine should ensure the continuous operation without disconnection.

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Why is it important?

At present, the proportion of wind power in the power grid has reached a relatively high level. If the wind turbine is not equipped with qualified power grid fault resistance ability, automatic disassembly in case of a power grid fault will increase the difficulty of local power grid fault recovery, worsen the stability of the power grid, and even aggravate the fault and lead to system collapse.