The control system shall continuously monitor the plausibility of at least two of the measured speeds with regard to each other in all operating conditions of the wind turbine.

• 和制动设备的要求一样，速度检测系统必须满足可靠性和功能性的要求，这是一个基本的原则。此外，结构上的布置也必须满足故障顺序的要求。