ISSUES/LOCATIONS

View titles only
(by date)
List all documents, ordered…

By Title

By Author

View PDF, DOC, PPT, and XLS files on line
RSS

Add NWW documents to your site (click here)

Sign up for daily updates

Keep Wind Watch online and independent!

Donate $10

Donate $5

News Watch

Selected Documents

Research Links

Alerts

Press Releases

FAQs

Publications & Products

Photos & Graphics

Videos

Allied Groups

Resource Documents by Ragheb, Adam

Ragheb, Adam; and Ragheb, Magdi
Wind turbine gearbox technologies ~
INTRODUCTION Operational experience reveals that the gearboxes of modern electrical utility wind turbines at the MW level of rated power are their weakest-link-in-the-chain component. Small wind turbines at the kW level ofrated power do not need the use ofgearboxes since their rotors rotate at a speed that is significantly larger than utility level turbines and can be directly coupled to their electrical generators. The typical design lifetime of a utility wind turbine is 20 years, but the gearboxes, which convert . . .

Also try:
Search all of documents for "Ragheb, Adam".
Search entire site for "Ragheb, Adam".

Get the Facts Follow Wind Watch on Twitter

Wind Watch on Facebook

Share

CONTACT DONATE PRIVACY ABOUT SEARCH
© National Wind Watch, Inc.
Use of copyrighted material adheres to Fair Use.
"Wind Watch" is a registered trademark.
Share

Wind Watch on Facebook

Follow Wind Watch on Twitter