风电场低电压穿越能力对电力系统的稳定性有着重要影响。
The low voltage ride-through (LVRT) capability of wind farms has a great impact on the power system stability.
利用串联制动电阻可以减轻风电场低电压穿越对桨距控制等其他措施的依赖。
The LVRT's dependence on pitch control systems and other state-of-art alternatives can be reduced with SDBR.
以某地区电网为例进行仿真计算，并提出了一种确定风电机组低电压穿越参数与要求的方法。
The simulation of a certain domestic 220kV power grid is implemented and a method to decide the LVRT parameters of wind turbine generator and requirement is proposed.
风电变流器在国产化的过程中也必须要具有低电压穿越、不对称故障下运行的能力和动态无功、有功功率的调节能力。
The wind power converter must possess abilities of Low voltage Ride through (LVRT), available operation with unbalanced voltage fault and adjusting active as well as reactive power.
随着风力发电在电网中的比例日益增加，电网对风电机组的要求也越来越高，低电压穿越技术(LVRT)就是其中一项重要指标。
With the proportion increasing of wind power generation in power grid, the power grid demand for increasingly high to wind turbine. Low-voltage through technology (LVRT) is one important indicator.
为增强直驱型变速恒频风电系统的低电压穿越能力，采取了变流器直流侧增加卸荷负载以在故障时消耗掉直流侧多余的能量，使风电机组的正常运行基本不受电压跌落影响的应对措施。
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.
为增强直驱型变速恒频风电系统的低电压穿越能力，采取了变流器直流侧增加卸荷负载以在故障时消耗掉直流侧多余的能量，使风电机组的正常运行基本不受电压跌落影响的应对措施。
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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