Rotatable Dry Air Supply

摘要

A rotatable dry air supply system for a wind turbine is provided. The system includes a rotatable dry air supply housing connected to a rotatable hub having a plurality of wind turbine blades connected thereto. The housing is rotatable with the hub and includes a compressor and a moisture trap for removing moisture from the compressed air. The moisture trap may include a plurality of outlet ports arranged around a casing of the moisture trap. The moisture purged from the outlet ports may exit through a moisture outlet in the housing of the rotatable air supply. In some arrangements, the outlet may be heated.