Protection device for protecting cable of wind driven generator and wind driven generator set

The utility model provides a protection device for protecting a cable of a wind driven generator and a wind driven generator set. A cable of the wind driven generator comprises a cable twisting section which is connected to the cabin and twists along with rotation of the cabin and a redundant section which is connected to the lower portion of the cable twisting section. The protection device comprises a supporting rod, a first cable clamping block and a second cable clamping block. The supporting rod is arranged to be fixed relative to a tower drum of the wind driven generator and extends in parallel with the cable twisting section. The first cable clamping block is fixed relative to the supporting rod in the direction around the supporting rod and used for clamping and fixing the connecting position of the twisted cable section and the redundant section. The second cable clamping block is rotationally arranged at the top of the supporting rod and is fixed relative to the supporting rod in the extending direc