Technology

We are ready to offer various design options for radial electric motors, depending on application and customer requirements. For a better understanding of the differences in construction, we provide a comparison table.

Radial Permanent Magnet Synchronous Motor

Dual rotor

Single rotor

Inrunner

Outrunner

Distributed Winding

+ The highest power and torque density

+ Best for < 10000 rpm

+ Low rotor losses

+ Simple stator and rotor construction

- High winding losses

- Very complicated winding construction

- High cost

Distributed Winding

+ High power density

+ Best for > 10000 rpm

+ Low rotor losses

+ Simple stator and rotor construction

- High winding losses

- Complicated winding construction

- Low cost

Distributed Winding

+ High torque density

+ Best for < 10000 rpm

+ Low rotor losses

+ Simple stator and rotor construction

- High winding losses

- Complicated winding construction

- Low cost

Concentrated Winding

+ The highest power and torque density

+ Best for < 10000 rpm

+ Low winding losses

+ Simple stator and rotor construction

+ Simple winding construction

- High rotor losses

- High cost

Concentrated Winding

+ High power density

+ Best for < 10000 rpm

+ Low winding losses

+ Simple stator and rotor construction

+ Simple winding construction

- High rotor losses

- Low cost

Concentrated Winding

+ High torque density

+ Best for < 10000 rpm

+ Low winding losses

+ Simple stator and rotor construction

+ Simple winding construction

- High rotor losses

- Low cost

Spiral Winding

+ High power and torque density

+ Best for < 10000 rpm

+ Low rotor losses

+ Simple winding construction

- High winding losses

- High cost

- Complicated stator and rotor construction