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  #41  
Old 08-12-2012, 11:15 AM
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Tesseract Tesseract is offline
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Default Re: toroid inductor needed between Soliton and dc-dc?

Quote:
Originally Posted by JRP3 View Post
I can't find it on the website, is it a special request item or something?
Yeah, the Rebirth Auto inductor isn't listed on the website. It's a huge 100uH/30A beast meant for protecting chargers that are hardwired to the traction pack. Cheaper than a contactor - usually - and nothing to wear out, but a lot more expensive than the little 5-7A jobbers from Digikey, Mouser, etc...

Quote:
Originally Posted by TTmartin View Post
So would I be correct in saying the spec below would be the sort of inductor I require as the input side of this unit is stated as 11amp

Part Number: CTX100-10-52LPR
That part is marginal if the DC current drawn by the MeanWell is truly 11A, but it shouldn't draw more than 7-7.5A at 750W output (unless your pack will sag down below 125V or so).

Quote:
Originally Posted by ElectriCar View Post
I'm now wondering if IGBT's create more noise/ac ripple than mosfets do.
They don't. IGBTs tend to be used in much more powerful controllers than MOSFETs, however, and that can result in more noise.


Quote:
Originally Posted by dtbaker View Post
....poked around and read threads for about 1/2 hour without finding an explanation why inductors would be better than diode. also, don't really have any idea whether 100uH is better or worse than putting in two in series for 200uH? I dunno if this is a case where the uH needs to be matched to something, or if 'more is better'.
On the first page of this thread are two posts - one by Skooler and one by EVfun - with links to two threads where I explain about the inductor and the diode, respectively.

Reading those threads should also answer your second question as well. That said, I gave you a specific component recommendation - why are you not satisfied with that?

EDIT: the thread by skooler on the first page has a link to another thread and in that thread is a post by EVfun with a link to another thread.
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Last edited by Tesseract; 08-12-2012 at 11:24 AM. Reason: added
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  #42  
Old 08-12-2012, 12:14 PM
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JRP3 JRP3 is offline
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Default Re: toroid inductor needed between Soliton and dc-dc?

Here, I did the work
http://www.diyelectriccar.com/forums...tor#post262898

http://www.diyelectriccar.com/forums...&postcount=187
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