The worldwide potential of electric power from tidal currents is potentially between 100 and 120 GW. The technology uses the ebb and flow currents off coasts to drive submerged turbines. The high load factor and the predictable resource characteristics make tidal energy an attractive, reliable power source. The technology is advancing rapidly towards maturity; several projects have now reached a relatively mature stage and are close to completion, but challenges remain. Topics for ongoing research include hydrodynamics and turbine design, as well as the power conversion interface (including the electric generator), control, and monitoring and maintenance challenges.
Design, Control and Monitoring of Tidal Stream Turbine Systems presents an overview of tidal energy research. Chapters cover tidal stream turbine generators and drivetrain design options, turbine control, fault-tolerant control, monitoring and fault diagnosis, and biofouling issues in tidal stream turbines. The book is intended to enable readers to contribute to designing tidal power systems.
Written by experts in the field, this book is aimed at researchers and engineers involved with tidal stream energy, in academia and industry, as well as advanced students with an interest in the topic.
Author(s): Mohamed Benbouzid
Series: IET Energy Engineering Series, 201
Publisher: Institution of Engineering and Technology
Year: 2023
Language: English
Pages: 225
City: London
Cover
Contents
About the editor
Introduction
1 Tidal stream turbine generator and drivetrain design options
1.1 Possible TST drivetrain options
1.1.1 Behavior of a tidal turbine in terms of torque/speed
1.1.2 Drivetrain options and generator configurations
1.1.3 Power harnessing general strategy
1.1.4 Turbine control options
1.2 TST generator design
1.2.1 Design criteria
1.2.2 Possible generator type depending of the drivetrain options
1.2.3 Generator and drive flux weakening specifications for fixed pitch turbine
1.2.4 Focus on direct-drive PM generators dedicated to TST
1.3 Summary and conclusion
References
2 Tidal stream turbine control
2.1 Overview of control system
2.1.1 PID control
2.1.2 Sliding mode control
2.2 Mathematical modelling
2.2.1 Tidal resource model
2.2.2 Tidal turbine model
2.2.3 Modeling of the generator
2.2.4 Modeling of DFIG
2.2.5 Modeling of PMSG
2.3 Controller development for TST
2.3.1 HOSMC for DFIG-based TST
2.3.2 HOSMC for PMSG-based TST
2.3.3 HOSMC for DSPMG-based TST
2.4 Conclusion
References
3 Tidal stream turbine fault–tolerant control
3.1 Introduction
3.2 Fundamentals on faults resilience
3.2.1 Basic concepts on fault tolerance
3.2.2 Marine current turbines failures
3.2.3 Diagnosis and fault tolerance property
3.3 Fault–tolerant systems at design stage
3.3.1 Redundancy
3.3.2 Intrinsic resilient systems
3.4 Fault–tolerant control
3.4.1 Active fault–tolerant control system
3.4.2 Passive fault–tolerant control system
3.4.3 Hybrid fault–tolerant control system
3.5 Tidal stream turbines magnets fault–tolerant control case study
3.5.1 Tidal turbine overview
3.5.2 Magnetic equivalent circuit model for magnets failure modeling
3.5.3 Sliding mode-based magnet failure-resilient control
3.5.4 Simulation results
3.6 Tidal stream turbines sensors fault–tolerant control case study
3.6.1 Flow-meter FTC
3.6.2 Rotor speed/position sensor FTC
3.6.3 Comparison criteria
3.6.4 Main simulation results
3.7 Conclusions and perspectives
References
4 Tidal stream turbine monitoring and fault diagnosis
4.1 Introduction
4.1.1 Tidal stream turbine challenges
4.2 Condition monitoring and fault diagnosis in TST
4.2.1 Failure modes
4.2.2 Condition monitoring
4.3 Fault detection and diagnosis in TST
4.4 Tidal stream turbine faults
4.4.1 Impact of imbalance fault
4.4.2 Current signal model
4.4.3 MSCA-based imbalance fault detection
4.4.4 Image processing-based imbalance fault detection
4.5 Summary and conclusion
References
5 Biofouling issue in tidal stream turbines
5.1 Introduction
5.2 Biofouling development
5.2.1 Characterization
5.2.2 Development
5.3 Biofouling characterization and estimation
5.3.1 Some hydrodynamic aspects to understand the effect of biofouling on tidal turbines power
5.3.2 Comparison of the influence of biofouling in tidal turbines with icing in wind turbines
5.4 Biofouling impact on tidal stream turbines hydrodynamic and electric performance
5.4.1 Biofouling detection techniques briefly
5.5 Conclusions and perspectives
References
Conclusion
Index
Back Cover
