Design and Control of Permanent-Magnet Synchronous Machines for Flywheel-storage

Competitive advantage

• Expertise in PM machine design and control
• Mechanical sensorless control for PM machine
• Expertise in designing very high-speed PM machine drives suitable for applications such as the flywheel storage
• Developing advanced on-line parameter identification techniques

Impact

• Permanent magnet motor-generators of rated speed in excess of 50 krpm
• Advanced control schemes and drivers for smooth energy conversion

Successful applications

• Sensorless control techniques for PM motor drive
• Development of novel interior-type PM motors with speed capability >50,000 rpm

Capabilities and facilities

• Finite-element packages, including Magsoft and ANSYS, with optimization 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
• High-speed (>50 krpm) PM machine test bed

Our partners

• CSIRO
• Wisconsin Electric Machines and Power Electronics
• Toshiba
• Regal Beloit