Search found 3 matches

by Yaojie.Yin
Wed Jan 11, 2017 9:17 pm
Forum: Structural Analysis
Topic: Dynamic model parameters of bearings
Replies: 0
Views: 6163

Dynamic model parameters of bearings

Dear all NREL project"Gearbox Reliability Collaborative (GRC)" gives research about 750KW wind turbine gearbox,the gearbox has one stage planetary and two stages parallel. In the project, they gives the bearing type and number in the paper-Gearbox Reliability Collaborative (GRC) Descriptio...
by Yaojie.Yin
Wed Aug 31, 2016 3:42 am
Forum: Structural Analysis
Topic: NREL 550KW gearbox
Replies: 2
Views: 1437

Re: NREL 550KW gearbox

considering the stiffness Kcr,the results are(Hz)
2.95696265816553
6.19212292560441
41.5581915952016
41.5581915952044
140.757655866164
140.757655866166
258.194918951732
334.122725044914
439.079372827610
439.079372827610
by Yaojie.Yin
Tue Aug 30, 2016 10:49 pm
Forum: Structural Analysis
Topic: NREL 550KW gearbox
Replies: 2
Views: 1437

NREL 550KW gearbox

Hello Rencently I do some research about drivetrain of wind turbine, I use the Robert G. Parker's lump-mass model.When I use the parameter of 550KW gearbox to verify the model, I find result of the lump-mass model(2.9Hz,6.19Hz,21.3Hz) is so different from the results(40.75Hz,69.49Hz) given by the NR...

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