By adding damp load at DC-side of the converter, redundant energy at DC-side during grid faults will be consumed, therefore the operating of wind turbine will not be influenced by grid voltage sags.
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3. 光风转蕙百馀里,暖雾驱云扑天地。
Light winds turn LOH hundred years, the warm fog clouds flutter drive world.
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4. 光风转蕙百馀里,暖雾驱云扑天地。
Light winds turn LOH hundred years, the warm fog clouds flutter drive world.