AETERNA trademark
◆ I N D I G E N O U S E L E C T R I C D R I V E T E C H N O L O G Y

300 kW Liquid-Cooled Electric Powertrain

An indigenous, integrated electric drivetrain engineered for high-performance electric mobility, combining a liquid-cooled motor, inverter and gearbox.

~94%

System Design Efficiency

400 V / 800 V

System Options

95–100 kg

System Weight
✓ Indigenous drivetrain with liquid-cooled motor and inverter.
✓ Customisable for various vehicle tonnage and GVW.
✓ Motor and inverter at least 10% more efficient than present industry standards.
✓ Sub-components marketable to respective industries.
AETERNA 300 kW Liquid-Cooled Electric Powertrain
AETERNA ELECTRIC DRIVE TECHNOLOGY

300 kW Integrated Powertrain

Three engineered systems. One integrated electric drive.

300 kW integrated powertrain cross-section
INSIDE THE DRIVE ASSEMBLY

Designed as One.
Engineered in Three.

Explore the three distinct engineering systems that form the integrated drive: electric motor, precision transmission and power electronics.

01 / ELECTRIC DRIVE

Electric Motor

Electric motor cooling side Electric motor output side

Liquid-cooled three-phase induction motor, developed for high power density and demanding traction duty.

300 kW Peak Power   |   501 Nm Peak Torque
12,500 RPM Maximum Speed
96.2% PEAK EFFICIENCY
02 / MECHANICAL DRIVE

Precision Gearbox

Gearbox internal assembly Gearbox differential assembly

Single-speed reduction gearbox with integrated differential for high-speed electric traction.

8.2:1 Gear Ratio
267 Nm Continuous Torque
15,000 RPM Maximum Input Speed
UP TO 99.2% EFFICIENCY
03 / POWER ELECTRONICS

Motor Controller

Controller power module Controller PCB

Liquid-cooled three-level SiC MOSFET controller with advanced control and protection architecture.

300 kW Peak Power
3-Level Topology
SiC MOSFET Power Devices
98.5% DESIGN EFFICIENCY

Future Development

Expanding our electric mobility capabilities across passenger, commercial, bus and marine platforms through indigenous, application-specific electric powertrain engineering.

Passenger Electric Vehicles

Applications

Electric cars, compact cars, SUVs and premium passenger vehicles.

Development

High-efficiency traction motors, controllers and integrated e-axles.

Electric Commercial Vehicles

300 kW
Integrated Powertrain
UNDER
DEVELOPMENT

Target: 3.5–7 tonne GVW

Future platforms

1.5–3.5 t — Delivery vans and mini trucks

7.5–9 t — Regional goods carriers

10–12 t — Industrial and municipal vehicles

Electric Buses

Development programme

200 kW powertrain for 9-metre and 12-metre bus platforms.

Technology focus

High-torque motors, non-permanent-magnet solutions, controllers and integrated bus powertrains.

Marine Propulsion

Applications

Electric boats, ferries and inland waterway vessels.

Development

Marine electric motors, controllers and integrated propulsion systems.

DEVELOPMENT SCOPE Electric Motors · Motor Controllers · Inverters · Integrated E-axles · Gearboxes · Complete Propulsion Systems
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Engineering a Sustainable Tomorrow.
Aeterna Engineering Technologies Pvt. Ltd.
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