A foundation with sufficient stiffness to resist long-term wind and wave load to insure the serviceability of wind energy converter is needed.
一个足以承受长期波浪及风力的基础设施是让风力发电设施在使用年限内正常运转的必要条件。
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。
This thesis mainly discusses direct-driven permanent magnet synchronous wind energy conversion system (WECS) used back-to-back PWM converter.
本文以双pwm变换器控制的直驱式永磁同步风力发电系统为研究对象。
Meanwhile, at the EWEC product fair in Milan ABB presented wind energy products like the new ACS800 liquid cooled wind turbine drive converter.
同时，在米兰召开的EWEC产品展会上，ABB展出了风能产品，如新型ACS800液体冷却风轮机变频器。
Meanwhile, at the EWEC product fair in Milan ABB presented wind energy products like the new ACS800 liquid cooled wind turbine drive converter.
同时，在米兰召开的EWEC产品展会上，ABB展出了风能产品，如新型ACS800液体冷却风轮机变频器。
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