SS23 HW5
Q1: Please design an inductor for the following boost dc-dc converter.
Input voltage: 30V, output voltage 50V. Output power 600W. Inductance requirement 22 uH
Switching frequency 100 kHz.
The powder core from magnetics should be used, the catalog and curve fitting equation of magnetics
core material is attached as follows. Only MPP and High Flux material needs to be considered for this
inductor design
18_Magnetics-Curv
e-Fit-Equation-Tool-2020.xlsx
https://www.mag-inc.com/Media/Magnetics/File-
Library/Product%20Literature/Powder%20Core%20Literature/Magnetics-Powder-Core-Catalog-
2020.pdf
Submission requirement.
1. A word document summarizing the designed inductor should be included. (the core selected,
part number, number of turns, and the wire selected.)
Q2 Please design a transformer for the following 2 kW dc-dc full bridge converter.
Vin=48V
oV
SAP
SAN
SBP
SBN
Turns ratio
1:N
Vo=400V
Input voltage: 48V, output voltage 400V. Output power 2000W. Switching frequency 20 kHz.
Magnetics _inc Ferrite core should be used, the selection catelog and the coreloss equation has been
provided attached.
SS23 HW5
18_Magnetics-Ferrit
e-Catalog-2017.pdf
18_Magnetics-Ferrit
e-Core-Loss-Equations.xlsx
Question:
1. Please Determine the turns ratio
2. Please Select a core and provide the core geometric information
3. Please determine the operation Bac and provide core loss based on the material selected
4. Please provide number of turns
5. Please select the primary and secondary side winding design (copper sheet/litz wire could be
used for the design to simplify the calculation)
6. Please estimate the copper loss.
Submission requirement.
A word document summarizing the designed transformer should be included.
Any calculation excel sheet/matlab m file should be included