Wind turbine with a blade Pitch System with a dual winding drive

摘要

In a first aspect, the present invention provides a blade pitch system (100) for a wind turbine, comprising at least one multi winding (102,103) motor (101) comprising a main independent set of control windings (102) and at least one auxiliary independent set of control windings (103); and at least a main independent power electronic converter (105) for controlling the main independent set of control windings (102), and an auxiliary independent power electronic converter (104) for controlling the auxiliary independent set of control windings (103).