Electrical Drives for Direct Drive Renewable Energy Systems

Inbunden, Engelska, 2013

Del i serien Woodhead Publishing Series in Energy

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Beskrivning

Wind turbine gearboxes present major reliability issues, leading to great interest in the current development of gearless direct-drive wind energy systems. Offering high reliability, high efficiency and low maintenance, developments in these direct-drive systems point the way to the next generation of wind power, and Electrical drives for direct drive renewable energy systems is an authoritative guide to their design, development and operation.Part one outlines electrical drive technology, beginning with an overview of electrical generators for direct drive systems. Principles of electrical design for permanent magnet generators are discussed, followed by electrical, thermal and structural generator design and systems integration. A review of power electronic converter technology and power electronic converter systems for direct drive renewable energy applications is then conducted. Part two then focuses on wind and marine applications, beginning with a commercial overview of wind turbine drive systems and an introduction to direct drive wave energy conversion systems. The commercial application of these technologies is investigated via case studies on the permanent magnet direct drive generator in the Zephyros wind turbine, and the Archimedes Wave Swing (AWS) direct drive wave energy pilot plant. Finally, the book concludes by exploring the application of high-temperature superconducting machines to direct drive renewable energy systems.With its distinguished editors and international team of expert contributors, Electrical drives for direct drive renewable energy systems provides a comprehensive review of key technologies for anyone involved with or interested in the design, construction, operation, development and optimisation of direct drive wind and marine energy systems.

An authorative guide to the design, development and operation of gearless direct drives
Discusses the principles of electrical design for permanent magnet generators and electrical, thermal and structural generator design and systems integration
Investigates the commercial applications of wind turbine drive systems

Produktinformation

Utgivningsdatum:2013-03-25
Mått:156 x 234 x undefined mm
Vikt:580 g
Format:Inbunden
Språk:Engelska
Serie:Woodhead Publishing Series in Energy
Antal sidor:280
Förlag:Elsevier Science
ISBN:9781845697839

Utforska kategorier

Energiteknik inom Naturvetenskap och teknik

Mer om författaren

Professor Markus Mueller holds a Chair in Electrical Machines within the Institute for Energy Systems in the School of Engineering based at the University of Edinburgh, Scotland. Dr Henk Polinder is an Associate Professor based at the Electrical Engineering, Mathematics and Computer Science department of Delft University of Technology, The Netherlands.

Recensioner i media

"This highly-technical text authored by an international team of expert contributors is an authoritative guide to the design, development and operation of the gearless direct-drive generators pioneered by Enercon, among others, as found in the latest generation of large offshore turbines." --Real Power, Summer 2013

Innehållsförteckning

Contributor contact detailsWoodhead Publishing Series in EnergyPart I: Electrical drive technology 1. Electrical generators for direct drive systems: a technology overview Abstract:1.1 Introduction1.2 Excitation methods1.3 Permanent magnet direct drive (PMDD) generator topologies1.4 Conclusion1.5 References2. Principles of electrical design of permanent magnet generators for direct drive renewable energy systems Abstract:2.1 Introduction2.2 Design requirements and evaluation criteria2.3 Scaling laws for dimensioning machines2.4 Design choices2.5 Design example2.6 Future trends2.7 References3. Electrical, thermal and structural generator design and systems integration for direct drive renewable energy systems Abstract:3.1 Introduction3.2 Integrated systems design of machine topologies3.3 Structural considerations and mechanical design3.4 Thermal considerations3.5 Designs of machine topologies for 5–20 MW direct drive wind turbines3.6 Application to direct drive marine energy systems3.7 References4. An overview of power electronic converter technology for renewable energy systems Abstract:4.1 Introduction4.2 Power electronic components4.3 Topologies of power electronic converters4.4 Modulation techniques in voltage source converters (VSCs)4.5 Power control of voltage source converters4.6 Conclusion4.7 References5. Power electronic converter systems for direct drive renewable energy applications Abstract:5.1 Introduction5.2 Characteristics of wind and marine energy generation systems5.3 Back-to-back voltage source converter (BTB-VSC)5.4 Diode rectifier plus DC/DC converter as the generator side converter5.5 Application of current source converters (CSCs)5.6 Power electronic system design considerations5.7 Power electronic system challenges and reliability5.8 Conclusion and future trends5.9 References Part II: Applications: wind and marine 6. Wind turbine drive systems: a commercial overview Abstract:6.1 Introduction6.2 Early geared wind turbine drive systems6.3 Direct drive generators6.4 Doubly fed induction generators (DFIGs)6.5 Low- and medium-speed (MS) geared hybrid concept6.6 Permanent magnet generators (PMGs) in direct drive wind turbines6.7 Alternative technologies and power conversion6.8 Reliability, availability and total systems efficiency6.8.1 Availability6.9 References7. Case study of the permanent magnet direct drive generator in the Zephyros wind turbine Abstract:7.1 Introduction7.2 Design process and the resulting design7.3 Other design considerations7.4 Generator assembly7.5 Generator testing7.6 Operational experience and problems faced7.7 Reliability7.8 Future trends7.9 Conclusion7. 10 References8. Direct drive wave energy conversion systems: an introduction Abstract:8.1 Introduction8.2 Wave energy8.3 Direct drive in wave energy8.4 Conclusion8.5 Acknowledgement8.6 References9. Case study of the Archimedes Wave Swing (AWS) direct drive wave energy pilot plant Abstract:9.1 Introduction9.2 AWS wave energy converter9.3 AWS pilot plant power take-off (PTO): design and construction9.4 AWS pilot plant power take-off (PTO): test results9.5 Conclusion9.6 Acknowledgement9.7 References10. Application of high-temperature superconducting machines to direct drive renewable energy systems Abstract:10.1 Introduction10.2 Common superconducting wire materials10.3 Advantages of superconducting machines10.4 Challenges10.5 Superconducting machine topologies10.6 Direct drive applications10.7 Application to wind turbines10.8 Application to wave energy10.9 Conclusion10.10 References Index