book

Offshore Wind Farms

by Chong Ng, Li Ran

March 2016

Intermediate to advanced

654 pages

21h 8m

English

Woodhead Publishing

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1.1. Wind energy1.2. Offshore wind farm1.3. Energy cost1.4. Wind turbines1.5. Disputable issues

2.1. Introduction2.2. Investment costs2.3. Operating costs2.4. Key economic drivers for offshore wind energy2.5. Levelised cost of energy2.6. Future cost of offshore wind2.7. Conclusions
3.1. Key issues in assessing wind resources3.2. The nature of the offshore wind environment3.3. Essential data parameters3.4. Observational approaches3.5. Modeling approaches3.6. Future trendsAbbreviations
4.1. Introduction4.2. Conventional methods4.3. Surface-based remote sensing4.4. Space-borne RS4.5. Case study – a near-coastal wind farm project4.6. Future trendsSources of further informationAbbreviations and Acronyms
5.1. Key requirements for blade materials5.2. Role of testing materials and structures in the blade design process5.3. Case study on material selection and blade design5.4. Future trendsAbbreviations and nomenclature
6.1. Introduction6.2. Aerodynamics6.3. Materials6.4. Structural design6.5. ManufactureNomenclature
7.1. Introduction7.2. WTGS gearbox design – concept stage7.3. WTGS gearbox design – development stage7.4. WTGS gearbox design – production stage7.5. Drivetrain dynamic analysis7.6. Conclusions
8.1. Introduction: key issues in generator design8.2. Electrical generators: types and principles of operation8.3. Practical design and manufacture of electrical generators8.4. Selection of generators for offshore wind turbines8.5. Future trends in offshore wind turbine generatorsSources of further information
9.1. Introduction
10.1. Introduction
11.1. Introduction11.2. Design of floating offshore wind turbines: main preliminary steps11.3. Key issues in design of floating offshore wind turbines11.4. Summary: case study11.5. Future trendsNomenclatureSources of further information
12.1. Fundamentals of offshore wind farm arrays12.2. Design considerations12.3. Main electrical components12.4. Topologies12.5. Converter interface arrangements and collector design12.6. Wake farm arrangement – wake effects12.7. Control objectives12.8. Collector design procedureAbbreviations
13.1. Introduction13.2. Offshore wind farm cables13.3. Offshore cable installation, protection and challenges13.4. Dynamic cables for floating wind turbines and substations13.5. Some mechanical aspects of subsea cables13.6. Outlook for offshore wind farm cablesAbbreviations
14.1. Introduction14.2. Wind farm collection systems14.3. Offshore wind power transmission systems14.4. Voltage source converters14.5. Development of future submarine power transmission schemes14.6. Conclusions
15.1. Introduction15.2. The storage technologies15.3. Indicative case studies: S-PSSs in Rhodes and Astypalaia15.4. ConclusionsAbbreviations
16.1. Introduction16.2. Technologies16.3. Summary – case study16.4. Scenarios16.5. Results16.6. Conclusions
17.1. Introduction17.2. Delivery of components17.3. Onshore assembly17.4. Offshore transport17.5. Offshore installation17.6. Tests and commissioning17.7. Conclusions and future trends
18.1. Reliability of offshore wind turbines18.2. Challenges in offshore wind turbine operation and maintenance18.3. Offshore wind turbine condition monitoring techniques18.4. Offshore wind turbine condition monitoring systems18.5. Signal processing techniques used for WT CM18.6. Existing issues and future tendencies of WT CM
19.1. Limits of this chapter19.2. Introduction19.3. Legal framework19.4. Safety management system19.5. Plan, do, check, act19.6. The offshore renewable energy industry19.7. Plan19.8. Do19.9. Check19.10. Act19.11. For the future19.12. ConclusionAbbreviations
20.1. Foundation options for offshore wind-turbine structures20.2. System of loading on offshore foundations20.3. General aspects of OWT monopile foundation system20.4. Offshore design codes and methods20.5. Investigation of monopile–soil behaviour20.6. Design of OWT foundation20.7. Future outlook and research needsNomenclatureAbbreviations

Content preview from Offshore Wind Farms

List of greek symbols

Δf_n	Factor accounting for member slenderness in the global buckling utilization calculation
α_s	Wind power-law exponent
$\bar{λ}$	Reduced slenderness, see Ref. [3]
β_m	Bending moment coefficient in the global buckling utilization calculation
δ_j	Logarithmic decrement damping for j-th mode of vibration
Table Continued

γ_K	Stiffness correction factor
γ_M	Mass correction factor
γ_f	Generic load PSF
γ_m	Material PSF
γ_n	Consequence of failure PSF
γ_Mb,u	Material PSF for the bolt characteristic ultimate strength
γ_Mb,y	Material PSF for the bolt characteristic yield strength ...