choke positioning in CLC supply

sekess · 3rd November 2009, 03:14 PM

Posted this question in the F5 thread in the PASS section. But after thinking about it, I thought it might be a better question in the power supply section:

I am using some Hammond 159ZL chokes for the CLC power supply. With air core inductors I have read that the inductors should be mounted as far away from each other as possible (and/or at 90deg angles to each other) to minimize magnetic coupling.
When using the iron core Hammond chokes, is mounting proximity still an issue? Or, is it not that significant since more of the magnetic field will be concentrated atthe iron core?

Thanks,
Steve

star882 · 4th November 2009, 02:06 AM

It won't be as significant but it shouldn't hurt.

sekess · 4th November 2009, 03:24 AM

Thanks Star,

I will try and keep them as far apart as possible. But, I am getting a little tight on space in the case.

Steve

3rd November 2009, 03:14 PM	#1
sekess diyAudio Member Join Date: Feb 2006 Location: NJ	choke positioning in CLC supply Posted this question in the F5 thread in the PASS section. But after thinking about it, I thought it might be a better question in the power supply section: I am using some Hammond 159ZL chokes for the CLC power supply. With air core inductors I have read that the inductors should be mounted as far away from each other as possible (and/or at 90deg angles to each other) to minimize magnetic coupling. When using the iron core Hammond chokes, is mounting proximity still an issue? Or, is it not that significant since more of the magnetic field will be concentrated atthe iron core? Thanks, Steve

4th November 2009, 02:06 AM	#2
star882 diyAudio Member Join Date: Mar 2007	It won't be as significant but it shouldn't hurt. __________________ "Fully on MOSFET = closed switch, Fully off MOSFET = open switch, Half on MOSFET = poor imitation of Tiffany Yep." - also applies to IGBTs!

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4th November 2009, 03:24 AM	#3
sekess diyAudio Member Join Date: Feb 2006 Location: NJ	Thanks Star, I will try and keep them as far apart as possible. But, I am getting a little tight on space in the case. Steve

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