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The Design And Construction Of Auto Cut-off Car Battery Charger
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7.5 Secondary
(Wet Cell): It is the type of whose chemical energy can restored through
a charging process. Although there are different types of secondary
battery which comprises lead acid, nickel-cadmium, and silver zinc
battery.
A wet cell is a type that operates by liquid electrolytic
solution, it often runs down move quickly in a hot climate because the
heat causes the plates to either from the electrolyte solution.
Furthermore,
a battery is a combination of cell connected together and a cells is of
importance partially where maximum performance and life are obtained.
As long as a battery is in use, it stores chemical energy which is being
converted to electrical energy falls. This falls in chemical energy
leads to a corresponding fall in terminal voltage.
A constant
potential method of charging is adopted in this project work it is a
phenomenon whereby the alternating voltage from the main is converted to
direct voltage through rectification.
The direct current from the
rectifier is then passed through the battery that is being charged in
the reversed direction in which the battery supplies current to the
external circuit. The charger is intended to charge batteries with
terminal voltage up to 12 volts. In incorporates a sensing technique to
monitor when the battery has been charged to its rated terminal voltage
so as to automatically cut off supply to the battery.
Centuries ago
the use of tricycle was established with the help of coal engienes or
horses to ride on the same paved horizon. Before the charger circuits
with nIcke-cadmium, Nickel metal hydride, and lithium-ion batteries.
Which can be charged and can retain charged particles inside until it is
used up with it’s connected circuit for operation.
7.6 Aims and Objective
The
main purpose of this project work is the major of constructing a system
that has the ability measures of recharging a battery when it runs
down. The design conforms an auto charging cut off circuit that operates
when the battery is fully charged.
7.7 Scope of the Study
The
battery charger is a device that is well design to perform the function
of converting 50Hz or 60Hz Ac into an equivalent variable DC output.
The DC produced after the rectification process is then applied directly
in charging of our batteries. The battery charger can perform the
function of charging 12V battery, 24 volt battery depending on the
desired specification of construction.
This project design function
basically to recharge batteries not exceeding 36 volts and a line up of
batteries not exceeding ten in numbers. The current supply of the
charging system does not exceed 3amp per charging ratio of line.
7.8 Report Organization
Six
chapters were converted in the course of design and development of this
project. The chapters and their contents are as follows:
Chapter one is the introductory chapter that gives the aims, scope and limitation of the project.
Chapter
two is the literature review, it deliberates on different related works
done by several authors with dates. It also discusses on the
limitations of some of these works
Chapter three discusses the design
methodology of the project. Also discussed, is the requirement analysis
which is all the information, gathered from a wide research on battery
charger system.
Chapter four deals with the system testing and evaluation also how the components were tested.
Chapter five is the Bill of Engineering measurement and Evaluation (BEME) i.e the component last unit and Evaluation.
Chapter
six is the summary, conclusion and recommendation. The contribution of
the project, achievements and problems for further enhancement, and
reference discussed in this chapter.
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ABSRACT - [ Total Page(s): 1 ]This project which comprise of many chapters that deals extensively with designs and construction of battery charger with auto-cut off which is capable of charging a 12 volts battery. In this construction research, designs was carried out which historic research was used to break down and evaluate to a low level understating of what an auto-cut of charger system is all and how it can be constructed and the main purpose of the project. The charging current as well as the power to the circuit is o ... Continue reading---
