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Circular vs. square cross-section coils
Posted 29 sept. 2013, 01:52 UTC−4 Low-Frequency Electromagnetics Version 4.3a 0 Replies
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I found a huge difference in L and R values between the following two cases that I obtained from Comsol 4.3a when a coil is a multiturn winding in the form of a
a) cylinder with circular cross-section (about 30 Ohms and 10 mH) and
b) cylinder with square cross-section (about 2 MOhms and <1 mH)
For case (a) it is easy to specify coil type as circular and provide a currentof 1 A in Multiturn coil domain. However, for case (b) where cross-section is a square, which coil type to choose (circular, linear, etc)? I tried even with a combination of cylindrical coordinate system and circular type, but no luck.
Case (a) agrees to a larger extent with measurements - however I would like togo for a rectangular cross-section due to design constraints.
I appreciate any help in this regard.
Thanks,
Arun
Hello Arun
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