Considerations for increasing the durability of the main shafts bearings of wind turbine

P. G. Panait; M. Panaitescu; F. V. Panaitescu; A. A. Scupi

doi:10.1117/12.2642084

2 March 2023 Considerations for increasing the durability of the main shafts bearings of wind turbine

P. G. Panait, M. Panaitescu, F. V. Panaitescu, A. A. Scupi

Proceedings Volume 12493, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies XI; 124930B (2023) https://doi.org/10.1117/12.2642084
Event: Advanced Topics in Optoelectronics, Microelectronics and Nanotechnologies 2022, 2022, Constanta, Romania

Abstract

The novelty in this work consists in the identification of constructive solutions for bearing the main shaft with mounting in three and four support points. Improvements to the existing bearing construction solutions for existing turbines are also presented. As the bearings perform their function, which is essential to the mission inside the current turbines, with MW installed powers, dynamic stresses and unpredictable stresses lead to costly premature repairs. For the benefit of the wind industry, the reliability of the main shaft bearings needs to be improved. ^{[1], [2], [3]} The market demand motivates the development of new technical solutions for the replacement of standard radial thrust roller bearings in three-point bearing turbines, such as wear-resistant radial roller bearing roller bearings and two-row radial tapered roller bearings, pre-stressed ^[4]. For this reason, this work presents some constructive solutions that are efficient in the wind turbine industry. Also, there are presented some mode of failures, like: the incipient stages of micro exfoliation of the working surfaces of a two-row radial roller oscillating roller bearing in the main shaft of a wind turbine, insufficient lubrication, the simulations of different stages of distributions of pressure on inner and outer rings, equivalent (von Mises) stresses and an another improved construction solution of bearings.^[4] In conclusion, the criteria for choosing the types of reliable wind turbines imply a special attention in choosing reliable bearing elements, with long operation times and as few repair / maintenance costs as possible. ^{[5], [6]}

Citation Download Citation

P. G. Panait, M. Panaitescu, F. V. Panaitescu, and A. A. Scupi "Considerations for increasing the durability of the main shafts bearings of wind turbine", Proc. SPIE 12493, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies XI, 124930B (2 March 2023); https://doi.org/10.1117/12.2642084

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available

Members: $17.00

Non-members: $21.00 ADD TO CART

PROCEEDINGS
10 PAGES

DOWNLOAD PAPER SAVE TO MY LIBRARY

GET CITATION

RIGHTS & PERMISSIONS

Get copyright permission Get copyright permission on Copyright Marketplace

KEYWORDS

Wind turbine technology

Protactinium

Coating

Standards development

Chemical elements

Surface finishing

Reliability

Show All Keywords

Keywords/Phrases

Search In:

Publication Years