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dc power supply.pptx

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dc power supply.pptx

The electrical power is almost exclusively generated, transmitted and distributed in the form of ac because of economical consideration but for operation of most of the electronic devices and circuits, dc supply is required. Dry cells and batteries can be used for this purpose. No doubt, they have the advantages of being portable and ripple free but their voltages are low, they need frequent replacement and are expensive in comparison to conventional dc power supplies.

The electrical power is almost exclusively generated, transmitted and distributed in the form of ac because of economical consideration but for operation of most of the electronic devices and circuits, dc supply is required. Dry cells and batteries can be used for this purpose. No doubt, they have the advantages of being portable and ripple free but their voltages are low, they need frequent replacement and are expensive in comparison to conventional dc power supplies.

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dc power supply.pptx

  1. 1. WELCOME TO OUR PRESENTATION DC POWER SUPPLY
  2. 2. CONTENT  Introduction  How it works  Equipments  Circuit diagram  Conclusion
  3. 3. INTRODUCTION  The electrical power is almost exclusively generated, transmitted and distributed in the form of ac because of economical consideration but for operation of most of the electronic devices and circuits, dc supply is required. Dry cells and batteries can be used for this purpose. No doubt, they have the advantages of being portable and ripple free but their voltages are low, they need frequent replacement and are expensive in comparison to conventional dc power supplies.
  4. 4. HOW IT WORKS Voltage Step down Process (AC to DC): The voltage would down by the transformer. The working principle of transformer is very simple. It depends upon Farada’s law , mutual induction between two or more winding is responsible for transformation action in an electric transformer.
  5. 5. HOW IT WORKS (CONTINUED) Rectification process It will be accomplished by using a diode. A diode is an electrical component that conducts current in one direction and blocks current from flowing in the other direction. How it Works
  6. 6. HOW IT WORKS (CONTINUED)  Filtering process: For filtering our output current we may use a capacitor. A capacitor is commonly used for filtering and store charge in it.
  7. 7. HOW IT WORKS (CONTINUED)  Load: As a load we used LED light for our project. LED Resistor  Resistor: Resistor is an electrical component that reduce the electric current.
  8. 8. EQUIPMENTS:  Name: Quantity:  Project board 1  Transformer 1  Diode 4  Resistor 1  Capacitor 1  Load 1  Connecting wire As needed
  9. 9. EQUIPMENT AT A GLANCE
  10. 10. CIRCUIT DIAGRAM ON WHICH PROJECT WOULD WORK
  11. 11. AFTER COMPLETING PROJECT
  12. 12. CONCLUSION:  The power supply that has been designed provides a good alternative to a more expensive power supply. The power supply has few components, covers a small area, and is very simple in design.

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