Abstract
In this paper PM BLDC motor driven electric two-wheeler is proposed. The operation of PMBLDC motor in all four quadrants along with various regenerative braking control strategies are simulated MATLAB/ SIMULINK. Three braking methods are proposed for electric vehicle application. Factors like recovered energy, braking time, maximum braking current are compared. Depending on the simulation results switching between different braking methods is proposed for efficient and reliable braking operation. Moreover, by using variable switch braking technique one can extract more braking energy.
Highlights
Environmental pollution, rapid depletion and increase in the cost of fossil fuels are the significant factors which are stimulating the use of Electric Vehicles for the transportation purpose
Complete block diagram of PMBLDC motor based electric vehicle along with its control in motoring and braking region is shown in Fig
In this paper varoious regenerative braking methods are proposed for PMBLDC Motor driven electric twowheeler
Summary
Environmental pollution, rapid depletion and increase in the cost of fossil fuels are the significant factors which are stimulating the use of Electric Vehicles for the transportation purpose. Permanent Magnet Brushless DC motor (PM BLDC) is very efficient and compact motor, with good reliability and simple control These motors find application mainly in two-wheeler and three-wheeler electric vehicles. Batteries are relatively the most mature source for EV application They offer either high specific energy (HSE) or high specific power (HSP), but not both. The electrification of the vehicle drive train makes it feasible to recover some of the energy lost in braking by employing regenerative braking. One of the most important features of EVs, HEVs, and fuel cell vehicles (FCVs) is their ability to recover significant amounts of braking energy. The former requires the braking system to be able to supply sufficient braking torque on all wheels. Recovering energy from the braking process can increase the range of the EV by significant distance [2]
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