Friday 22 February 2013

Week 5-Introduction


Portable power supply 



             Portable power supply has been so important in these fast growing technologies and economic world. People were able to easily carry it all around to power up their equipment and device. For those who are doing their own small business at place without wall power supply, they will need to use the portable power supply which are usually be big in size, heavy in weight, and fixed with wheels to make it portable. For electronics devices that being produced vastly, it operates with battery that will eventually finish and need to be recharged. To charge these devices on the go when the battery finished, a light portable power supply is needed. There is some portable power supply to charge these electronic devices on the go, called Power Bank. It is similar with rechargeable battery, but it is lighter, has higher capacity, and can charge electronic device battery to full capacity for three to four times. The Power Bank itself needs to be recharged using wall socket or USB charger when out of charge.

                  In this final year project, a Fast Charging Portable Power Supply Using Super Capacitor as Charge storage / Battery are to be developed. The function of this device is similar to that of Power Bank. The differences is that it do not need to be plugged into wall socket or USB charger when the charge is out, as it is attached to a dynamo that used to charged it up. Another difference is that Super Capacitor which allows fast charging will be used, where it can be fully charged up in less than an hour compare to Power Bank and other rechargeable battery that needs several hour charging. With this type of portable power supply, there should be no worry of charging up any low power electronic device at anywhere and anytime.
                  
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