风力发电系统发生低压穿越时对电网电能质量的影响分析

Influence of low voltage ride through in wind power generation system on electric power quality of power grid

介绍了风力发电系统的低压穿越技术,分析了风力发电系统在发生低压穿越时对电网电能质量的影响。提出了使用保护电路单元来改善风力发电系统在发生低压穿越时提高电网电能质量的方法,通过软件仿真,验证了该方法的合理性和正确性。

The low voltage ride through technology of the wind power generation system was introduced.The Influence of wind power generation system on the electric power quality of the power grid during the low voltage ride through process was analyzed.A method was put forward,in which the protection circuit unit is used for improving the wind power generation system and enhancing the electric power quality of the power grid when the low voltage ride through occurred.By software simulation,the rationality and validity of the method were proved.