Offshore Wind Power: Reliability, availability and maintenance (Energy Engineering)

Contents
About the author
Preface
Acknowledgements
Nomenclature
Abbreviations
1. Introduction to off-shore wind
	1.1 Development of wind power
	1.2 Reliability of on-shore wind turbines
	1.3 Large wind farms
	1.4 First off-shore developments
	1.5 Off-shore wind in Northern Europe
	1.6 Off-shore wind rest of the world
	1.7 Off-shore wind power terminology and economics
	1.8 Roles
	1.9 Summary
2. Reliability theory relevant to off-shore wind
	2.1 Introduction
	2.2 Basic definitions
	2.3 Random and continuous variables
	2.4 Reliability theory
	2.5 Reliability modelling concepts for off-shore wind farms
	2.6 Reliability block diagrams
	2.7 Summary
3. Weather, its influence on off-shore reliability
	3.1 Wind, weather and large off-shore wind farms
	3.2 Mathematics to analyse weather influence
	3.3 Relationships between weather and failure rate
	3.4 Resource, location, reliability and capacity factor
	3.5 Summary
4. Practical off-shore wind farm reliability
	4.1 Introduction
	4.2 Taxonomies and data from wind turbines and off-shore farms
	4.3 Failure location, failure mode, root cause and failure mechanism
	4.4 Reliability field data and collection
	4.5 Mathematical concerns about field data
	4.6 Comparative data analysis
	4.7 Current reliability and failure mode knowledge
	4.8 Linkage between failure mode and root cause
	4.9 Reliability analysis, machinery versus structure versus taxonomy
	4.10 Premature series failures
	4.11 Summary
5. Wind turbine configuration and reliability
	5.1 Modern wind turbine configurations
	5.2 Reliability analysis assuming constant failure rate
	5.3 Analysis of turbine concepts
	5.4 Using data to predict prospective drive train reliability
	5.5 Summary
6. Design and testing for wind farm availability
	6.1 Introduction
	6.2 Methods to improve reliability
	6.3 Design techniques
	6.4 Testing techniques
	6.5 From high reliability to high availability
	6.6 Summary
7. Early off-shore unreliability and availability
	7.1 Early European off-shore wind farm experience
	7.2 Lessons learnt
	7.3 Summary
8. Off-shore wind farm layouts and grid connection
	8.1 Introduction
	8.2 Arrangements
	8.3 Device and collector arrays
	8.4 AC versus DC collectors and export connection
	8.5 Sub-stations and converter stations
	8.6 Off-shore wind farms
	8.7 Floating technology, effect on reliability
	8.8 Summary
9. Monitoring for off-shore wind farms
	9.1 Introduction
	9.2 Supervisory control and data acquisition
	9.3 Condition monitoring systems
	9.4 Structural health monitoring
	9.5 SCADA and CMS monitoring success
	9.6 Data integration
	9.7 Summary
10. Maintenance for off-shore wind farms
	10.1 Introduction
	10.2 Maintenance methods
	10.3 Spares
	10.4 Weather
	10.5 Access and logistics
	10.6 Data management for an integrated maintenance strategy
	10.7 Summary
11. Production safety, training and qualification
	11.1 Introduction
	11.2 Safety
	11.3 Training and qualification
12. Overall summary conclusions
	12.1 Reliability and availability in wind farm design
	12.1.1 Importance of data
	12.2 Collating data
	12.3 Operational planning for maintenance, RCM versus CBM
	12.4 Asset management
	12.5 Towards an integrated maintenance strategy, data management
	12.6 Prospective costs of energy for off-shore wind
	12.7 Production safety, training and qualification
	12.8 Future prospects
References
Standards
Appendix A: WMEP operators’ report form
Appendix B: Reliability data collection
Appendix C: Commercial SCADA systems
Appendix D: Commercial condition monitoring systems
Appendix E: Reliabilities of key off-shore sub-assemblies
Appendix F: Wind power historical timeline
Index