With the increasing awareness of environmental protection, people gradually realize the environmental pollution caused by the coal-based energy structure.In the search for clean and pollution-free energy, wind power has gradually attracted people's attention and developed rapidly.

Since 2001, the new installed capacity of global wind power generation has shown a fluctuating growth. In 2001, the new installed capacity of global wind power generation increased by 6500MW. In 2015, the new installed capacity of wind power generation reached the peak in recent years, reaching 63633MW.By region, in 2017, Asia is still the largest market for newly installed wind power capacity, with 24412MW, followed by Europe with 16803MW.Africa and the Middle East have the fewest, at 618MW.