highest energy efficiency at reduced costs in production & maintenance

• sensorless control for drives of highest reliability
• lower costs in production and maintenance
• with reluctance motors: no need for rare-earth magnets, no magnetic field in de-energized state – advantageous for special functions, e.g. magnetic bearings
• top energy efficiency (IE4)
• without mechanical encoders – e.g. rotor position sensors or tacho generators
• highly dynamic speed and torque controls
• “jerk-free” acceleration and braking, from a standstill and under variable load
• no permanent angular error – not even with overload or low speed
• without rotor position sensors: reduction of installation space, omission of sensor cables and plug connections
• during installation, maintenance or repair: no need to match the position sensor and the magnets’ position in the motor; possible wiring and maintenance errors in connecting sensor and controller excluded
• suitable for safety-critical applications
• for existing system designs: suitable as redundant check on position and speed
• 30 years experience in the design of sensorless controlled synchronous motors
• based on proven INFORM® control system with tens of thousands of systems on the market - e.g. in medical technology and aviation

Innovation level

• for the first time energy-saving, highly efficient synchronous drives at low system costs
• already successfully used in various series applications, for example in medical technology and aviation

Target groups and applications

• eMobiliy, automotive
• aerospace
• medical technology
• machine tools, production machines, automation
• construction machinery and lifting equipment
• emergency units of various sorts
• consumer goods
• from a few watts to the megawatt range
• cost-effective replacement for asynchronous motors
• drives with highest energy efficiency (IE4) and reliability even under difficult environmental conditions – e.g. no freezing nor corrosion of sensor

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Contact

Univ.Prof. Dr. Manfred Schrödl and Peter Heimerl