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DC-DC Converter(II) (Buck-Boost & Cuk )

DC-DC Converter(II) (Buck-Boost & Cuk ). 전기기기 컴퓨터제어 March. 24. 2011. Buck-Boost Converter. Step-Down. Step-Up. Step-Down/Up. Buck-Boost Converter(CCM Analysis). Mode Analysis - 1. 0 ≤ < DT. Switch on, Diode off - Inductor c urrent increases - Diode Voltage - .

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DC-DC Converter(II) (Buck-Boost & Cuk )

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  1. DC-DC Converter(II)(Buck-Boost & Cuk) 전기기기 컴퓨터제어March. 24. 2011

  2. Buck-Boost Converter Step-Down Step-Up Step-Down/Up

  3. Buck-Boost Converter(CCM Analysis) Mode Analysis- 1 0 ≤ < DT • Switchon, Diode off - • Inductor current increases - • Diode Voltage -

  4. Buck-Boost Converter(CCM Analysis) Mode Analysis- 2 DT ≤ < T • Switchoff, Diodeon - • Inductor current decreases - • Switch Voltage -

  5. Buck-Boost Converter(CCM Analysis) Boost Mode Buck Mode

  6. Buck-Boost Converter(CCM Analysis) Inductor Current Analysis

  7. Buck-Boost Converter(CCM Analysis) Inductor Current Analysis

  8. Buck-Boost Converter(CCM Analysis) Capacitor Voltage Analysis

  9. Buck-Boost Converter Boundary Conduction Mode : CCM

  10. Buck-Boost Converter Discontinuous Conduction Mode Based on Inductor Volt Sec Balance

  11. Buck-Boost Converter Simulation

  12. Buck-Boost Converter Simulation L=640uF=640uF => BCM L=1280uF>640uF => CCM L=320uF<640uF => DCM

  13. Buck-Boost와 마찬가지로 출력전압의 승압과 강압이 모두 가능 Cuk Converter

  14. CukConverter Mode Analysis- 1 ① Switch OFF / Diode ON • Switchoff, Diodeon • Inductor current decrease • Capacitor is discharged electricity

  15. Cuk Converter Mode Analysis- 2 ② Switch ON / Diode OFF • Switchon, Diodeoff • Inductor current increase • Capacitor charges electricity

  16. Cuk Converter Based on Inductor Volt Sec Balance =0 =0 Boost Mode Buck Mode

  17. Cuk Converter Inductor Current

  18. Cuk Converter Inductor Current

  19. Cuk Converter Inductor Current

  20. Cuk Converter Inductor Current

  21. Cuk Converter Capacitor Voltage

  22. Cuk Converter Capacitor Voltage

  23. Cuk Converter Simulation

  24. Cuk Converter Simulation

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