Product code: TM0203002

Application example of a traction electric drive of the leading semi-axle of a medium vehicle

  • liquid-cooled synchronous traction motor
  • speed range 0 – 2500 rpm
  • maximum power in S2 mode – 202 kW
  • maximum torque (S2 mode) – 770 N·m
  • modular hollow shaft design
  • rated efficiency > 94%
  • weight 38 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"
Base model

Description

The iEM-ILw Mk2 modular motors are the second generation of the iEM-I series with the best power ratings in this category.

Electric drives based on the iEM-ILw Mk2 module with liquid cooling allow realizing a highly efficient and reliable direct drive system in modern systems of land and marine electric propulsion. Thanks to the 6-phase stator, not only a more efficient control of the electric drive is achieved with the help of two three-phase frequency converters operating synchronously, but also additional redundancy or redundancy is provided to increase the reliability of the electric drive.

For example, in ground electric propulsion systems, electric drives based on the liquid-cooled iEM-ILw Mk2 module allow realizing a highly efficient and reliable direct drive system of the axle shaft of each drive wheel. The choice of the number of iEM-ILw Mk2 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 drive of the semi-axle of an electric bus based on one iEM-ILw Mk2 module


 

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

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

Comparison of classic geared and direct-drive transmissions of electric vehicles– when switching to efficient synchronous electric drives iEM-ILw, not only a radical simplification and reduction of the vehicle chassis weight is provided, but also the vehicle’s energy performance is significantly improved, 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-ILw Mk2 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;
  • constant high torque throughout the entire speed range
  • 3-4 times smaller dimensions and weight, which provides a significant reduction in the weight of the vehicle transmission (TC);
  • high reliability due to the absence of a 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.

Rated power, kW:

Rated torque (S1 mode), N·M:

Number of phases:

Operating temperature range, °C:

Insulation class:

Protection class:

Efficiency at rated rpm, %:

Maximum phase current, A:

Maximum torque, N·M:

Moment of inertia of the rotor, KG·М²:

Supply voltage, V:

Rated speed, rpm:

Rated phase current, A:

DIMENSIONS:

Specific torque @ rated power, N·M/KG:

Unit weight, kg:

Speed range, rpm:

Electric motor iEM-ILw Mk2 HS Electric motor iEM-ILw Mk2 HS
Electric motor iEM-ILw Mk2 RS Electric motor iEM-ILw Mk2 RS
3D model iEM-ILw Mk2 incomplete shaft with encoder 3D model iEM-ILw Mk2 incomplete shaft with encoder
3D model iEM-IwL Mk2 hollow shaft 3D model iEM-IwL Mk2 hollow shaft
3D model iEM-IwL Mk2 hollow shaft with encoder 3D model iEM-IwL Mk2 hollow shaft with encoder