1 / 17

Project P rogress R eport Hybrid System with ultracapacitor

Project P rogress R eport Hybrid System with ultracapacitor. 06117333 Chanwoo Kwon. Project Aim. Model the ultracapacitor. Build a DC/DC Converter to charge the ultracapacitor from a 12V battery. Model a load such as a motor in Matlab/Simulink. Structure of Hybrid energy system.

Download Presentation

Project P rogress R eport Hybrid System with ultracapacitor

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. Project Progress Report Hybrid System with ultracapacitor 06117333 Chanwoo Kwon

  2. Project Aim • Model the ultracapacitor. • Build a DC/DC Converter to charge the ultracapacitor from a 12V battery. • Model a load such as a motor in Matlab/Simulink.

  3. Structure of Hybrid energy system

  4. Information of PV panel • Model : HIP-210NKHB5 • Cell efficieny: 18.9% • Module efficiency:16.4%

  5. Maximum power point tracker • A maximum power point tracker (or MPPT) is a high efficiencyDC to DC converter that presents an optimal electrical load to a solar panel

  6. MPPT of HIP-210NKHB5

  7. 3 Types of Ultracapacitor • RC parallel branch model • RC transmission line model • RC series-parallel branch model

  8. RC parallel branch model • Each RC branch has a different time constant. • The fast-term branch dominates the charge and discharge behavior in the order of a few seconds. • The medium-term branch dominates the behavior over the scale of minutes. • Finally the slow-term branch governs the long-term charge and discharge characteristics.

  9. RC transmission line model • This model simulates the ultracapacitor’s physical structure and electromechanical characteristics directly.

  10. RC series-parallel branch model

  11. Why chose RC parallel branch model? • RC parallel branch model reflects the internal charge distribution process very well. • Good response of the ultracap’s dynamic behavior during charging and discharging. • Accuracy is better and not complex.

  12. Buck Converter

  13. Design buck converter in simulink

  14. equations • diL/dt=(Vs-Vo)/L s=1(switch on) - (1) • diL/dt=(-Vo)/L s=0(switch off) - (2) • From (1) and (2), diL/dt=(SVs-Vo)/Lo

  15. Values for simulation • Input voltage Vin=12V • Output voltage Vout=2.7*3=8.1V • Variation input voltage=+9¬15V • R=10 • L=0.3m • C=0.2m • Frequency=100khz -> T=1/100k=0.01 • D=Vout/Vin=8.1/12=0.675

  16. Use of simulink

  17. challenge • Decide a motor required high starting current and connect it with ultracapacitor model. • Decide each value such as inductor,capacitor,resistance to operate this motor efficiently. • Simulate a Simulink/MATLAB model of the complete system.

More Related