Detailed simulation of regenerative braking of BLDC motor for electric vehicles

Abstract

Reducing the use of fossil fuels is among the targets of the countries. Because they are likely to run out in the future and cause greenhouse gas emissions to the environment. One of the causes of greenhouse gas emissions is fossil fuel vehicles. The fossil-fueled vehicles can be replaced by electric vehicles. Electric vehicles have lower fuel costs due to the high efficiency of electric motors compared to internal combustion engines. The inadequacy in the batteries and the lack of charging stations require these vehicles to be used within certain distances. One of the ways to increase the distance is the regenerative braking of brushless direct current (BLDC) motors, which makes it re-usable when the vehicle is braking. This study presents a detailed simulation of the operation of a BLDC motor both as a motor and as a generator with regenerative braking by using Matlab/Simulink program. According to a simulation scenario, an energy recovery of 0.35% was achieved.

Keywords

• BLDC motor
• electric vehicle
• regenerative breaking
• simulation

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