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-   -   does anyone know how to reactivate dry capacitors? (http://www.diyaudio.com/forums/solid-state/601-does-anyone-know-how-reactivate-dry-capacitors.html)

hugobross 19th August 2001 02:07 PM

Hi,

I just got a lot of power supplies and huge capacitors (8 * 37000 f) for free. That man told me the capacitors are a little dried out, but it's possible to reactivate them, does anyone know how I can realise that??

Thanks a lot.

HB

Hoffmeyer 19th August 2001 05:39 PM

Hi Hugobross.
I've heard a lot of stuff about capacitors, but when it comes to dried out capacitors, I've only heard one thing: Buy new ones, but since I've got some old ones as well as You do, it would please me if it's possible to bring them back to life.

Geoff 19th August 2001 07:30 PM

Restoring electrolytics was the topic of another thread. Have a look at: http://www.diyaudio.com/forums/showt...p?threadid=390

Petter 19th August 2001 07:31 PM

There are instructions at http://www.angela.com.

What you do is that you basically set them up with limited current for about an hour.

Petter

hugobross 22nd August 2001 11:55 AM

thanks
 
Hey, thanks to all of you;
I'll try it out right know, if anyone has other ideas, just tell me..

best regards,

HB

djk 23rd August 2001 12:03 PM

Mepco suggests heating the capacitor to its maximum rated temperature before re-forming.This helps to re-distribute the electrolyte.Charging current should be limited to about 10mA.


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