Features The product is featured by novel design, unique technique and strong practicability. The key technique of the unit has been awarded the invention patent and practical new patent by the State Intellectual Property Office and enjoys the independent intellectual property right in our country. The product takes the lead at home in the wind energy-electric energy conversion efficiency technique. Compared with its counterparts, it has a lower rated revolving speed, thus raising the work efficiency. Advantages - Control and convert integrated design, simple structure