DEPARTMENT OF ELECTRICAL POWER ENGINEERING

COLLEGE OF ENGINEERING

POWER ELECTRONICS

| Home | Topics | Summary of Topics | Examples | Test Your Understanding | Survey |

Boost Converter Example:

The circuit diagram shown is a boost converter. Assume that no forward conduction loss for diode and switch.

The circuit operates in steady state condition.The switch is closed for time DT and opened for time (1 - D) T.

Calculate:

  • a .Output voltage
  • b. Capacitor voltage
  • c. Inductor current (maximum)
  • d. Inductor current (minimum)
  • e. Output Current

Sketch the waveform for:

  • a. Input voltage
  • b. Output voltage
  • c. Capacitor voltage
  • d. Diode voltage
  • e. Inductor voltage
  • f. Inductor current
  • g. Capacitor current
  • h. Output Current
  • i. Diode Current
  • j. Input Current

Please enter the input value:

Input voltage (positive value only): V

Duty ratio (0 < D < 1):

Inductor (larger than Lmin): H
Capacitor: F
Switching Frequency: Hz
Resistance: ohm

Output Voltage = Capacitor Voltage (V)

Average Inductor Current (A)

Inductor Current(maximum) (A)

Inductor Current(minimum) (A)

Output Current (A)

Output Voltage Ripple


Voltage Waveform
Current Waveform
Input Voltage(Vs) and Output Voltage(Vo)
(Capacitor Voltage Vc = Output Voltage Vo)
Input Current, is

Inductor voltage , VL
Diode Current, id
Induction Current, iL
Output Current, io
Capacitor Current, ic

| Home | Topics | Summary of Topics | Examples | Test Your Understanding | Survey |