Product code: TSM012141W-1-1
  • liquid-cooled synchronous traction motor
  • speed range 0 – 2500 rpm
  • maximum power in S2 mode – 49 kW
  • maximum torque (S2 mode) – 190 N * m
  • modular hollow shaft design
  • efficiency> 94%
  • weight 12,5 kg

 

Hollow shaft modular design   Composite materials in stator and rotor design   Durable body coating protects the surface from mechanical damage and weather exposure   Wide temperature range   Forced liquid cooling

Low rotor magnetic "sticking"

Description

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The new generation of traction electric drives based on the improved version of the iEM-05Lw-2500 module with liquid cooling allows realizing a highly efficient and reliable direct drive system for each drive wheel of small or medium electric vehicles. The choice of the number of iEM-05Lw-2500 modules in each electric drive from 1 to 3 pieces provides the ability to scale the drive power for driving wheels of both purely electric and hybrid vehicles (TC):

Electric drives of semi-axles of an electric all-terrain vehicle or a light electric vehicle based on two iEM-05

Electric drives of semi-axles of an electric all-terrain vehicle or a light electric vehicle based on two iEM-05Lw-2500 modules

Rear drive axle drive mini all-terrain vehicle of increased power with 4 modules iEM-05

Rear drive axle drive mini all-terrain vehicle of increased power with 4 modules iEM-05Lw-2500

 

 

 

 

 

 

 

 

 

 

 

 

Graphs of the dependence of power and torque on the speed of the iEM electric motor when the number of modules in the electric drive changes from 1 to 3 pieces

Graphs of the dependence of power and torque on the speed of the iEM electric motor when the number of modules in the electric drive changes from 1 to 3 pieces, where N is the rated speed, Mnom is the rated torque, Pnom is the rated power

Modern synchronous drives of the iEM-05Lw series open up the prospect of creating modern electric vehicles with a direct drive of two or more driving wheels and using an electronic differential instead of a mechanical one for the developers of electric vehicles:

The main mechanical transmission of the rear drive axle with differential is no longer needed!

The main mechanical transmission of the rear drive axle with differential is no longer needed!

The main disadvantages of the usual mechanical transmission of a car are excessive weight and complexity of the system, as well as limited reliability and resource.

The transition to the efficient synchronous electric drives iEM-05Lw-2500 provides not only a radical simplification and reduction of the vehicle chassis weight, but also significantly improves the vehicle’s energy performance, including impressive acceleration dynamics, efficient braking energy recovery and new possibilities for vehicle motion control.

Key advantages of electric vehicles built on the basis of iEM-05Lw-2500 traction drives:

  • high efficiency (> 94%) and the absence of overcurrents during acceleration ensure a 25-50% reduction in power consumption relative to classical gear and asynchronous electric drives;
  • 3-4 times smaller dimensions and weight, which provides a significant reduction in the weight of the vehicle transmission (TC);
  • the absence of overcurrents during acceleration allows the use of modern lithium batteries with a much higher specific capacity than traction batteries intended for asynchronous electric motors;
  • constant high torque throughout the entire operating speed range
  • simplified design and high reliability of the vehicle due to the rejection of the gearbox, simplified transmission and the possibility of modular duplication;
  • efficient energy recovery in the vehicle electronic braking mode;
  • low costs for periodic maintenance, long service intervals.

 

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Rated power, kW:

Maximum power (dir. S2), kW:

49

Rated speed, rpm:

Supply voltage, V:

Speed range, rpm:

Number of phases:

Rated phase current, A:

Maximum phase current, A:

Efficiency at rated rpm, %:

Insulation class:

Operating temperature range, degrees Celsius:

Rated torque (S1 mode), N*m:

Maximum torque, N * m:

Protection class:

Unit weight, kg:

Dimensions, mm:

Specific torque @ rated power, N*m/kg:

Moment of inertia of the rotor, kg*sq.m:

Cooling type:

liquid

Coolant consumption, l / min:

10

Dimensional drawing iEM-05Lw-2500 Dimensional drawing iEM-05Lw-2500
3D Model iEM-05Lw-2500 3D model of the iEM-05Lw-2500 module