dc overcurrent protection [RE-wrenches]

[Kurt Albershardt]

<x-flowed>

--On Tuesday, September 05, 2006 10:22 PM -0400 Damian de Caires <damian at thesolarcenter.com> wrote:
>
> I am taking this John Wiles course right now where he showed a slide of
> not once not twice, but thrice dc over-current protection.  15 amp fuses
> to three leads each with 20 and then finally a single 80amp fuse and I
> will try to get a better understanding of it tomorrow during the second
> day of class, but it does not make sense to me?  If anyone can explain
> it please do.


Here's a guess: 15A is based on panel Isc with appropriate derating factors.  20A is for the conductors leading out of primary combiners.  80A is for conductors leading to the reat of the system.






.


- - - -
To send a message: RE-wrenches at topica.com

Archive of previous messages: http://lists.topica.com/lists/RE-wrenches/read

List rules & how to change your email address: www.mrsharkey.com/wrenches/etiquette.php

Check out participant bios: www.mrsharkey.com/wrenches/

Hosted by Home Power magazine

Moderator: michael.welch at homepower.com
--^----------------------------------------------------------------
This email was sent to: michael.welch at homepower.com

EASY UNSUBSCRIBE click here: http://topica.com/u/?bz8Qcs.bz9JC9.bWljaGFl
Or send an email to: RE-wrenches-unsubscribe at topica.com

For Topica's complete suite of email marketing solutions visit:
http://www.topica.com/?p=TEXFOOTER
--^----------------------------------------------------------------



</x-flowed>