An embodiment of Vertical Axis Wind Turbine (VAWT) concept with eight rotating impellers with eight rotating wind vanes, wherein each wind vane is attached to each impeller through the vane angle adjusting devices is described. Further described is the vane angle adjusting device with coupling blocking fork and the impeller with the high load capacity and increased output. In addition, the gear reducer module and the cone clutch are described that control the power transmission from the wind vane and the impeller in case of strong gusts or wind. This feature allows for a number of improvements over the current state of the art including high energy efficiency, damage protection and the ability to remain operational during high wind conditions.