EMI filter design

Status
Not open for further replies.

Peet19

Member
Hi all!

I want to design an EMI filter and I need some help. I need a formula that I can use to calculate the value of inductance and capacitors.
Unfortunately, I haven't found any help so far. Perhaps a drawing or an example calculation would help a lot.
Thank you in advance for your help!
I am planning a Buck converter and I want to put it on the input. The mains voltage is 230VAC. The frequency of the converter is 20kHz.
 
Last edited:
Sort by date Sort by votes
Yes, I disconnected the input.
I drew an EMI filter. I think the frequency transmission is pretty good, but I'm not sure.
It would be a forward converter.

The EMI in filter, capacitors C1, C2, C5 (x), C3, C4 (y). That's good?
 

Attachments

  • Képernyőkép 2022-08-31 21-07-04.png
    42.4 KB · Views: 184
  • Képernyőkép 2022-09-02 14-14-25.png
    22.8 KB · Views: 185
  • Képernyőkép 2022-09-02 14-17-48.png
    40.4 KB · Views: 192
Last edited:
Upvote 0 Downvote
Status
Not open for further replies.

Similar threads

  • Question
EMI Filter question
Replies
3
Views
1K
Tony Stewart
F
  • Question
NEW INFO! Electrostatic Air Filter Using Neon Transformer?
Replies
4
Views
1K
rjenkinsgb
T
  • Question
Design Help with Out of Spec Stepper Motor
Replies
3
Views
1K
tebiekoud23
T
  • Question
How to design a RF mixer and Local Oscillator
Replies
3
Views
1K
Tony Stewart
  • Question
Ozone Generator
Replies
2
Views
1K
rjenkinsgb
Menu
Log in
Register
Cookies are required to use this site. You must accept them to continue using the site. Learn more…