Changes
/* Insights */
=Insights=
* Vestas Wind Energy Systems and General Electric are the major players in wind energy generation technology.
[[Image:wind ip activity trendstop assignees1.png|center|400px]]
* Patenting activity has seen high growth rate in the years 2009 and 2010.
[[Image:wind ip activity trends1.png|center|400px]]
* USA, China, Germany, Spain and India share major part of wind energy generation in the year 2010.
[[Image:wind geographical production.png|center|400px]]
* Research activity mainly going on rating and controlling of the Doubly-fed induction generation systems. Out of 139 patents 120 patents are discussing about controlling the DFIG.
* Continuous Operation of the DFIG system during weak and storm winds, grid voltage sags, and grid faults are major issues in current scenario. Among 28 patents covering DFIG operation, 24 patents are focusing on grid connected mode of operation.
