Hydraulic System Fritz Schur Energy is based on hydraulic systems for wind turbines. But what is a hydraulic system? Hydraulic Pitch Control Hydraulic pitch control provides high reliability, easy maintenance and a high degree of safety as a result of simple systems. Pitch control in wind turbines Pitch control is the technology used to operate and control the angle of the blades in a Wind turbine. Hydraulic vs. electric pitch Why should you use a hydraulic pitch? The pros and cons.