Dynamic model parameters of bearings

Discuss theory and modeling of wind-turbine structures.

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Yaojie.Yin
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Joined: Thu Jan 21, 2016 4:23 am
Organization: NPU
Location: China

Dynamic model parameters of bearings

Postby Yaojie.Yin » Wed Jan 11, 2017 9:17 pm

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) Description and Loading in page7

http://www.nrel.gov/docs/fy12osti/47773.pdf

Location Type Number Provider
INP-A SRB 24076 CC W33 SKF/INA
PLC-A fcCRB NCF 1892 V SKF
PLC-B fcCRB SL 18 1880 E FAG
PL-A CRB NJ2232E.M1.C3 FAG
PL-B CRB NJ2232E.M1.C3 FAG
LS-SH-A fcCRB SL181856E FAG
LS-SH-B TRB 32948 SKF
LS-SH-C TRB 32948 SKF
IMS-SH-A CRB NU 2220 ECM SKF
IMS-SH-B TRB 32032 X/DF SKF
IMS-SH-C TRB 32032 X/DF SKF
HS-SH-A CRB NU 2220 ECM SKF
HS-SH-B TRB 32222 A FAG
HS-SH-C TRB 32222 A FAG
CONDUIT DGBB 6016 Z SKF

Is there dynamic model parameters of bearings,like stiffness of the bearing?

In the paper-Development of a 5MW reference gearbox for offshore wind turbines
https://www.osti.gov/scitech/biblio/1249412

there is dynamic model parameters of bearings,but it is for the 5MW gaerbox which contains two stages Planetary and one stage Parallel Helical.

Table IX. Dynamic model parameters of bearings.
Name Kx (N/m) Ky (N/m) Kz (N/m) Kˇ(Nm/rad) K (Nm/rad)
INP-A 0 1.5e10 1.5e10 5e106 5e106
INP-B 4.06e8 1.54e10 1.54e10 0 0
PLC-A 6.6e4 1.7e9 1.1e9 5.6e5 1.3e5
PLC-B 6.6e7 1.7e9 1.1e9 5.6e5 1.3e5
PL-A 9.1e4 9.4e9 3.2e9 1.4e6 4.5e6
PL-B 9.1e4 9.4e9 3.2e9 1.4e6 4.5e6
IMS-PLC-A 9.1e4 6e7 1.2e9 7.5e4 7.5e4
IMS-PLC-B 9.1e7 6e7 1.2e9 7.5e4 7.5e4
IMS-PL-A 9.1e4 6e7 1.2e9 7.5e4 7.5e4
IMS-PL-B 9.1e4 6e7 1.2e9 7.5e4 7.5e4
IMS-A 0 6e7 1.2e9 7.5e4 7.5e4
IMS-B 7.4e7 5e8 5e8 1.6e6 1.8e6
IMS-C 7.8e7 7.4e8 3.3e8 1.1e6 2.5e6
HS-A 1.3e8 8.2e8 8.2e8 1.7e5 1e6
HS-B 6.7e7 8e8 1.3e8 1.7e5 1e6
HS-C 8e7 1e9 7.3e7 1.7e5 1e6


Best Wishes!

Yin Yaojie

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