Menu

Discussion Forum

New Discussion
Filter

Note: This discussion is about an older version of the COMSOL Multiphysics® software. The information provided may be out of date.

Discussion Closed This discussion was created more than 6 months ago and has been closed. To start a new discussion with a link back to this one, click here.

Parasitic capacitance of inductor

Posted Jun 21, 2012, 5:36 a.m. EDT Low-Frequency Electromagnetics Version 4.2a 3 Replies

Vladimir Parfenyev
Send Private Message Flag post as spam

Please login with a confirmed email address before reporting spam

Hi!

How can one calculate parasitic capacitance of inductor? Is it possible in 2d axisymmetric case? I can't find any situable example.

P.S. I use AC/DC Module to model inductor.

Thank you!
3 Replies Last Post Nov 12, 2013, 8:18 a.m. EST
Ivar KJELBERG COMSOL Multiphysics(r) fan, retired, former "Senior Expert" at CSEM SA (CH)
Send Private Message Flag post as spam

Please login with a confirmed email address before reporting spam

Posted: 1 decade ago Jun 22, 2012, 6:00 a.m. EDT
Hi

its not obvious to know what you call the parasitic capacitance, as even the cabling come with extra C values to any model.

But in ACDC ES you can get the lumped capacitance of a complex model, and you can compare that to the results from a simple geometrical results, based on electrode shape and distance + dielectric constant,. but the latter you must calculate by hand


--
Good luck
Ivar
Hi its not obvious to know what you call the parasitic capacitance, as even the cabling come with extra C values to any model. But in ACDC ES you can get the lumped capacitance of a complex model, and you can compare that to the results from a simple geometrical results, based on electrode shape and distance + dielectric constant,. but the latter you must calculate by hand -- Good luck Ivar
Levent Iblis
Send Private Message Flag post as spam

Please login with a confirmed email address before reporting spam

Posted: 1 decade ago Nov 8, 2012, 6:52 p.m. EST
simply plot a frequency/Impedance graph, and curve-fitting some capacitance and use 1/2piefc.

www.7pcb.ca
simply plot a frequency/Impedance graph, and curve-fitting some capacitance and use 1/2piefc. www.7pcb.ca
Dima Apter
Send Private Message Flag post as spam

Please login with a confirmed email address before reporting spam

Posted: 1 decade ago Nov 12, 2013, 8:18 a.m. EST

How can one calculate parasitic capacitance of inductor? Is it possible in 2d axisymmetric case?


Dear Vladimir,

Did you find an answer to your question? Do you have any working example?

Thank you in advance,
Dima.

--
Dima Apter
A2Z Consulting Ltd.
www.a2z-consulting.com
[QUOTE] How can one calculate parasitic capacitance of inductor? Is it possible in 2d axisymmetric case? [/QUOTE] Dear Vladimir, Did you find an answer to your question? Do you have any working example? Thank you in advance, Dima. -- Dima Apter A2Z Consulting Ltd. www.a2z-consulting.com

Note that while COMSOL employees may participate in the discussion forum, COMSOL® software users who are on-subscription should submit their questions via the Support Center for a more comprehensive response from the Technical Support team.

Suggested Content