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European International Journal of Science and Technology Vol. 5 No. 1 January, 2016

77

Solar Powered Electric Bike

Engr.M.Bilal Chouhary

1, Engr. Saiful Talpur 2, Engr.Taimoor Zafar 3, Engr. Muhammad Hussain 4

Engr.Asif Raza 5, Engr.Habib Hussain Zuberi 6

1,2,3,4,5,6 BAHRIA UNIVERSITY, KARACHI CAMPUS

Abstract

The renewable energy is used in upcoming years as well as in future to full fill the energy requirements. As

population is increasing day by day and energy demand is linearly increasing it will be very difficult or

simply impossible to full fill the energy requirements without renewable energy. The solar powered electric

bike will be demand of near future. As by using solar powered bike, it will save non-renewable sources. The

basic principle of this solar powered electric bike is to store energy in battery and used it after charging.

The charge batteries supplies energy to PMDC (which acting as engine) to move electric bike. The Throttle

(rheostat) is used to control the speed of PMDC motor. This avoids excess flow of current when the Solar E-

bike is supposed to be stopped suddenly as it is in normal bikes with regards to fuel. This idea, in future,

help in saving electric power of solar powered electric bike and thus also increasing mileage.

Nearby all electric bikes uses AC powered to charge. First AC power is converted into DC power

through inverter and it includes power losses. Although charging time of batteries also increases which

make E-Bike not effective and common for everyone use. By replacing AC Drive to DC Drives, the charging

time is reduced and maintenance of AC drive is more difficult as compare to DC Drive. Index Terms: PMDC Motor, Rheostat Control, batteries, Solar panel, Battery Cycle.

I. INTRODUCTION

Today we are generating electricity from fossil fuels, they are nor environmental friendly. It is causing

global warming, therefore we need Non-conventional sources of energy. To reduce use of energy from fossil

fuels in transportation usage and make environment clean and green, we have designed electric bike that

uses solar energy to run. The electric bike designed is a single seater and can be used for short distance. As

these electric bikes are future of automobile industry. We need to concentrate on improving their design and

making them cost effective. This vehicle is an initiative in this direction.

European International Journal of Scien

II. BASIC FUNCTIONAL

Fig. 1 Basic block Diagram Represe

The above block diagram presents an o

source of energy for this bike is sun, wh is being fed to the batteries that get cha shaft of the motor is connected to the initially fully charged and thereafter th discharging cycle of the batteries, which life period of batteries.

III. BASIC CIRCUIT DIAG

The fig 2 shown below represents an ov

switch is pressed the electrical power su controller act as engine of the bike as w working as the accelerator.

Fig. 2 Circuit diagram for the moveme

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L DIAGRAM

sentation of Solar Powered electric bike overview of the working of solar powered elec hich is captured from solar panels. The electrica harged and is used to run 24 V DC high torques he rear wheel of the bike through chain sprocke they are charged by panels. This helps in com ich is very important for proper working of batte GRAM overview of the circuit that run the entire bike. W supplied to controller and controller make PMDC with the input of throttle (rheostat), speed of mot EI Q EI Q BT /R10 9.36096 Tf

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www.eijst.org.uk lectric bike. The main cal energy thus formed ues PMDC motor. The cket. The batteries are mpleting the charging tteries and enhance the . Whenever the power

DC motor to run. Here

otor varies. Throttle is

European International Journal of Scien

IV. COMPONENTS USED

Various types of electrical components

these components used with their range solar powered electric bike is given in th

TABLE I

LIST OF VARIOUS COMPONENTS

Components

used Range

Batteries

(heavy inverter batteries)

24V 74Ah

Solar module 250Wp(Wat

Connecting Cables Motor conne

Solar modul

Charge cont

Motor High torque

MOSFET's 24V, upto 9

Apart from the above listed components

motor is the motor controller. It is define

A. MOTOR CONTROLER

To control the speed of Solar Powered

controller.

Fig. 4. The front view of the speed con

The picture showing the view of High po

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European International Journal of Scien

B. SOLAR PANEL DETAILS - 140W

Solar panel which is used to charge th

main point for selecting the 140W pane that we have designed, we have designe used in the vehicle is multi-crystalline. T it is more efficient as compared to the m faster in the multi crystalline cell. Ther covered from upper side with thick glass panel.

Fig 3. The diagrammatic representatio

V. WORKING OF THE VEHI

Motor controller is connected with PMD

The V(shaped) brakes are used. When

pressing brakes it is reduced. The batte travel up to 40km which is quiet impre initial stage worked done by students is g

VI. ADVANTAGES OF THE V

The solar E-bike are the future of the

manufactured with ease. The main adva are very economical. Since they cause answer to the increasing pollution levels renewable sources of energy like the so sources of energy. The other main ad maintenance as compared to the convent EI Q OE EI Q BT /R8 11.2786 Tf

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0Wp the solar power electric bike is of the rating of nel is to reduce the charging time of the battery. ned also the solar power station for its charging. . The main reason behind using the multi crystalli e mono-crystalline cell and the rate of conversion ere are 36 cells used in the solar panel. The so ss so that it can be clean easily and to avoid dust t tion of the solar module HICLE

DC motor and as throttle is pressed, the speed o

en throttle is released the speed of e-bike deacc ttery needs 10+hours to get charge but when it ressive at this stage. Still the system needs impro is good.

VEHICLE

e automobile industry. They are highly feasible vantages of a solar E-bike are that they are pollu se no pollution they are very eco-friendly and ls from automobiles in the present scenario. By h solar energy we are helping in preserving the no advantages of the solar vehicle are that they ntional bike and motor cycles and are very user fr EI Q OE EI Q BT /R8 11.2786 Tf

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w w w e i j s t o r g u k f 250 WP. The y. For the bikequotesdbs_dbs6.pdfusesText_12