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Design And Construction Of 12v Battery Charger
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1.4 Scope
The scope of this project is to have a
direct current battery charger of 12 Volts and 10 Amp maximum which can
be suitable for car batteries and electric vehicles. Electric vehicles
need high-rate chargers for public access.
1.5 Significant of the Project
The
significant of this project is not just to recharge batteries but it
works as a D. C power adapter for experimentation. It may, however,
require an externalcapacitor to be connected across its output terminals
in order to "smooth" the voltage sufficiently, which may be thought of
as a DC voltage plus a "ripple" voltage added to it. The project is
also significant because children will be attracted to charging their
own batteries in their toys and possessions. Managing their own
batteries is fun, and they know it helps the environment by not having
to throw batteries away when they can recycle them.
1.6 Limitations
The
project is limited to 12V batteries. It is not advisable to use it on
rechargeable batteries above 12V. Also there is no internal
resistanceconnected in the battery charger to limit the short circuit
current.
1.7 Constraints
The biggest setback experienced during
the course of this project is financial difficulties in funding the
design of the project. Secondly, sourcing of materials and components
used was not easy. Finding the rectifier diode and DC regulator for this
charger was not an easy task. We had to destroy many electronic devices
for solution. Some of the components we used for this project were very
difficult to find. Furthermore, we received a severe electric shock
while trying to plug in the workbench power supply to test our design
and that made us to almost give up.
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ABSRACT - [ Total Page(s): 1 ]This project presents the design and construction of a battery charger. A battery charger is an electrical/electronic device used to put energy into a secondary cell or rechargeable battery by forcing an electric current through it. The system consists of a step down transformer, an AC to DC converter and a DC voltage regulator. The circuits are designed using copper wire, rectifier diodes, electrolytic capacitors, resistors with other passive and active component of electronics. A battery charg ... Continue reading---
