Kinetic Energy Recovery System

Kinetic Energy Recovery System by means of flywheel energy storage

FREE-DOWNLOAD J Cibulka – Control, 2009
to Regenerative Braking A regenerative brake is a mechanism that reduces vehicle
speed by converting some of its kinetic energy into another useful form of energy – electric
current, compressed air. This captured energy is then stored for future use or fed back into

This paper deals with the design of Kinetic Energy Recovery Systems (KERS) by means of Flywheel Energy Storages (FES).  KERS by means of FES are currently under development both for motor sport and road hybrid vehicles. The aim of the work is the optimalization and implementation to the hybrid and electric road vehicles. Testing equipment for the experimental analysis of the simplified FES was designed.

Normally, electric motors are turned by passing an electric current through it. However, if some outside force is used to turn the electric motors, it functions as a generator and produces electricity. This makes it possible to employ the rotational force of the driving axle to turn the electric motors, thus regenerating electric energy for storage (in the battery) and simultaneously slowing the car with the regenerative resistance of the electric motors.

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