IEC 61400-4 : 1ED 2012

Table of Contents

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms, definitions and conventions
4 Symbols, abbreviations and units
5 Design for reliability
6 Drivetrain operating conditions and loads
7 Gearbox design, rating, and manufacturing
  requirements
8 Design verification
9 Operation, service and maintenance requirements
Annex A (informative) - Examples of drivetrain interfaces
        and loads specifications
Annex B (informative) - Gearbox design and manufacturing
        considerations
Annex C (informative) - Bearing design considerations
Annex D (informative) - Considerations for gearbox
        structural elements
Annex E (informative) - Recommendations for lubricant
        performance in wind turbine gearboxes
Annex F (informative) - Design verification documentation
Annex G (informative) - Bearing calculation documentation
Bibliography

Abstract

Pertains to enclosed speed increasing gearboxes for horizontal axis wind turbine drivetrains with a power rating in excess of 500 kW.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Electrotechnical Committee
Pages
ISBN
Committee	TC 88
Supersedes	ISO 81400-4 : 2005