Small Scale Wind Turbines: Alternative Power Supply Option for

1,01
MB Construction Sites

110
stron

5274
ID University of Strathclyde

2005
rok

Contents

Chapter 1: Introduction 11

1.0 Introduction 11

1.1 Aims and Objectives 11

1.2 Methodology 13

Chapter 2: Wind Power 15

2.0 The history of the use of wind 15

2.1 Wind power fundamentals 16

2.2 Small scale wind power 22

2.3 Small scale wind turbine configuration 24

2.3.1 Turbine Blades 24

2.3.2 Orientation 26

2.3.3 Overspeed Control 27

2.3.4 Generators of small turbines 28

2.3.5 Small wind turbine towers 28

2.3.6 Small wind turbine loads 31

2.4 Utilisation of small wind power 32

2.5 References 33

Chapter 3: Demand Profile 35

3.0 Overview of Laing O’Rourke construction company 35

3.1 Overview of the Xscape project 38

3.2 Related work done to date 39

3.3 Site demand profile 41

3.3.1 Detailed demand profile for accommodation cabins 41

3.4 References 43

Chapter 4: Supply Profile 44

4.0 Existing supply technology on-site 44

4.1 Why utilise wind power on-site? 44

4.2 Wind resource assessment 45

4.2.1 Wind measurement on-site 46

4.3 Wind data processing 48

4.4 References 50

Chapter 5: Demand – Supply Matching 51

5.0 Introduction 51

5.1 Turbine option appraisal 51

5.1.1 Selected turbines 53

5.1.2 Turbine details 56

5.2 Power and energy estimations 62

5.3 Crane mounted as a siting alternative 67

5.3.1 Overview of cranes 68

5.4 Reference 74

Chapter 6: Economics Appraisal 76

6.0 Introduction 76

6.1 Generating costs assessments 77

6.2 Cost calculator for small scale wind utilisation on-site 79

6.3 References 88

Chapter 7: Results Discussion 89

7.0 Introduction 89

7.1 Wind resource data 89

7.2 Demand profile 90

7.3 Supply option 91

7.4 Economics 93

7.5 Environmental Impacts 93

7.6 References 96

Chapter 8: Conclusion and Recommendations 97

8.0 Conclusions 97

8.1 Recommendations and suggestion for future works 98

Appendix A

Detailed Site Energy Demand 100

Appendix B

Wind Speed Distribution on – Site 105

Appendix C

Monthly Energy Generated 107

Appendix D

Economic Appraisal to Meet Total Demand 108