What are the two types of gear boxes used in wind turbine? All Questions › Category: Power System Analysis › What are the two types of gear boxes used in wind turbine? 0 Vote Up Vote Down Rajasri Mundrathi Staff asked 3 years ago Options: a) VAWT and HAWTb) Differentialc) Parallel shaft and planetary shaftd) Manual transmission 1 Answers -1 Vote Up Vote Down Rajasri Mundrathi Staff answered 3 years ago The correct answer is Parallel shaft and planetary shaft