Research and Application of Gearbox Oil's Influence on Generator
The generator and gearbox of the medium-speed permanent magnet wind turbine are highly integrated,sharing the high-speed shaft and end cover.If the seal of the end cover fails,oil and oil mist will enter the generator.Since the life of the end cover seal has not been verified by long-term aging,it is urgent to study the influence of oil and oil mist on the insulation and anti-corrosion of the generator winding.How-ever,the environmental conditions such as the amount of oil leakage of the gearbox cannot be quantified.Therefore,in the process of research,conventional test items were used to improve the test severity level,and the generator insulation and anti-corrosion oil resistance test method of"high temperature and long time oil film + high temperature and long time oil immersion"was proposed.The oil mist resistance test of the system-level anti-corrosion system of the generator insulation was completed,which provided an important basis for the reliability design of the generator.
medium-speed permanent magnet generatorwind turbineinsulation and anti-corrosionoil mist tolerance test
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