2024 Capability Portfolio Digital | Page 181

Clean Energy Capability Portfolio | Empowering Consumers

Permanent Magnet

Synchronous Machines
for Wind Energy
Conversion

Specialists in the design and control of permanent magnet ( PM ) type electric machines . This is backed by strong capabilities in design optimisation and control of various PM machine geometries for low-speed , high-torque applications such as direct-drive wind energy conversion .

Competitive Advantage

• Expertise in designing direct-drive PM generators with compact size and negligible cogging torque
• One of the world ’ s first to develop fractional-slot concentrated wound interior PM machine for directdrive wind energy conversion
• Advanced control techniques for the generator-side converters of Wind Energy Conversion
• Advanced techniques for online parameter identification with potential usability in remote condition monitoring of off-shore generators

Impact

• Direct-drive PM generators of compact size and with negligible cogging torque
• Cost-effective controller suitable for roof-top applications

Successful Applications

Capabilities and Facilities

• Finite-element packages , including Magsoft and ANSYS , with optimisation tools developed in-house
• Simulation platforms ( Matlab – Simulink , PSIM ), FPGA and DSP systems with high-performance signal acquisition , estimation and switch gate-drive interfaces
• Two and three-level inverters
• Several machine drive set-ups complete with shaft position sensors , torque sensors and highly dynamic loads
• Four-quadrant dynamometer for testing direct-drive wind generators

Our Collaborators

• CSIRO
• Wisconsin Electric Machines and Power Electronics
• Toshiba
• Regal Beloit
• Advanced control techniques for direct-drive PM generators
• Patented fractional-slot concentrate wound PM machine technology

More Information

Dr Rukmi Dutta
• Pending patent application – design optimisation package for PM machine
School of Electrical Engineering and Telecommunications
T : + 61 2 9385 7884
E : rukmi . dutta @ unsw . edu . au

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