Research on the Reliability Allocation Method for a Wind Turbine Generator System Based on a Fuzzy Analytic Hierarchy Process Considering Multiple Factors

Given the current reliability allocation problem of wind turbine generator systems, based on the reliability allocation method of series systems, a reliability allocation model based on an improved fuzzy analytic hierarchy process (FAHP) is proposed. A three-scale standard is adopted to comprehensively consider six influencing factors, such as technical level, working environment and importance, by determining the comprehensive allocation weight combined with an improved FAHP and entropy weight method. In this way, the reliability allocation calculation model for a wind turbine generator system is developed for the reliability allocation of the wind turbine generator system. Using the method developed in this study and other methods for the reliability allocation of a wind turbine generator system as examples, the allocation results are compared and analyzed. The results show that this method not only is effective but also obtains lower allocation results than those of other studies, which verifies the rationality of the present method.