1 / 16

Solar Charger

Solar Charger. Roya Sabri , Marcos López , Aniela Chertavian , Robert López , Octavio Viramontes , and Amanda Alvarado. PURPOSE. -To learn about solar cells -Develop a way to transfer solar energy to charge up a battery -Promote better understanding of alternative energy.

ekram
Télécharger la présentation

Solar Charger

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. Solar Charger RoyaSabri, Marcos López, Aniela Chertavian, Robert López, OctavioViramontes, and Amanda Alvarado

  2. PURPOSE -To learn about solar cells -Develop a way to transfer solar energy to charge up a battery -Promote better understanding of alternative energy

  3. SYSTEM ARCHITECTURE Solar Cell Inductor Diode Capacitor MOSFET Battery Triangle Wave Generator PWM

  4. COMPONENT #5 SOLAR CELL - Converts light energy into electricity - Power source for the charger

  5. COMPONENT #1 BOOST CONVERTER -Steps up voltage from low to high value INGREDIENTS! Capacitor: Two parallel plates storing electric charge Inductor: A coil of wire enclosing magnetic flux Switch: On/Off- can be implemented using a FET Diode: Allows the flow of current in only one direction

  6. COMPONENT #3 INDUCTOR AND CAPACITOR -Inductor- stores energy in a magnetic field created by the electric current passing through it. -Capacitor- pair of conductors separated by a dielectric (insulator). -When there is a difference across the conductors, energy is stored and a electrical force between the conductors is formed.

  7. COMPONENT #2 MOSFET SWITCH -Transistor that is a three terminal device… SOURCE, GATE, DRAIN. -Supplies the circuit with power -Functions like a switch

  8. COMPONENT #4 DIODE -Allows flow of current in only one direction - Faucet analogy

  9. COMPONENT #6 OP AMP (OPERATION AMPLIFIER) - DC-coupled voltage amplifier with a differential input and a single-ended output.

  10. COMPONENT #7 TRIANGLE WAVE GENERATOR - Generates pulses of energy which are created by an amplification of the difference between positive and negative input values from the OP AMP.

  11. COMPONENT #8 PULSE WIDTH MODULATOR (PWM) - Provides intermediate amounts of electric power between off and on. A switch provides full power when it is on and zero output when it is off. Voltage Time

  12. KNEE POINT Knee Point – 3.6 Volts Current Voltage

  13. COMPONENT #9 (EXTRA)ZENER DIODE & INTEGRATOR • Functions like a normal diode, but use is different. • Once current is passed in the opposite direction, the diode will fail, and keep the breakdown voltage constant. • The breakdown voltage can then be utilized in feedback control. Zener Diode + Integrator

  14. LET’S PUT IT ALL TOGETHER

  15. ACKNOWLEDGEMENTS Very, very special thank you to ShriramShivaraman and Alyosha Molnar. We couldn’t have completed our project without you two!

  16. REFERENCES • Brain, M. (n.d.). HowStuffWorks "How Inductors Work". HowStuffWorks - Learn How Everything Works!. Retrieved July 23, 2010, from http://www.howstuffworks.com/ • “Simple MOSFET switch design”. Electronic Circuits Projects Diagrams Free. Retrieved July 23, 2010, from http://www.electro-tech-online.com/general-electronics-chat/12910-simple-mosfet-switch-design.html • Op Amp Triangle-Wave Generator. (n.d.). eCircuit Center. Retrieved July 24, 2010, from http://www.ecircuitcenter.com/Circuits/op_tri_gen/op_tri_gen.htm

More Related