To allow for operation of the machine in either direction of rotation fans are usually of the bi directional type and made of a strong plastic material aluminum.
Electric motor cooling system.
The indirect liquid cooling systems for electric vehicles and the conventional internal combustion engine ice cooling system are very similar.
Medium high voltage motors ic81w air water cooling with integral fan on motor s shaft inside stator and water cooled heat exchanger.
Water inlet water outlet ic86w air water cooling with force ventilation system inside stator and water cooled heat exchanger.
The electric motor windings heats up when operated under extreme load and hence reducing the efficiency of the vehicle.
Water outlet water inlet 6 electric motor cooling systems.
New cooling system design of bldc motor for electric vehicle using computation fluid dynamics modeling.
Electric motor cooling systems.
Ic 411 in this cooling method the motor is cooled by a fan mounted on the motor shaft.
Journal of the korean society of tribologists and lubrication engineers 29 5 pp 318 323.
This is the most common method for cooling electric motors you will find in the industry.
In this cooling method the electric motor is essentially cooled by free convection current from the air.
For ac induction motors cooling air is usually circulated internally and externally by one or more fans mounted on the rotor shaft.
As such ev propulsion system requires cooling systems not only to the electric motor but also to the battery banks in order to ensure efficient operation and maximizing the electric components and vehicle lifetime.
Wang a heming li cheng tsung liu 2008.
The different methods of cooling rotating machines are classified in the standards iec 34 6 and as 1359 21.