Kaneka GSA? [RE-wrenches]

[Bill Brooks]

William and Travis,

The HU361 can be used for 9 or even 12 strings in a few cases provided that
the 3 poles are each going to their own inverter (3 inverters). Low current
modules like Sanyo and a-Si modules need individual string series fusing.

Bill.


-----Original Message-----
From: William Miller [mailto:wrmiller at charter.net] 
Sent: Tuesday, August 15, 2006 10:56 PM
To: RE-wrenches at topica.com
Subject: RE: Kaneka GSA? [RE-wrenches]



Travis:

Good questions.  For a start, John Berdner wrote a White Paper on 
determining if fuses are required in any paralleling of individual modules 
or strings.  For some reason it is no longer on the SMA web site but it is 
on mine:

http://mpandc.com/resources/ul_fuses.pdf

The SMA tech notes page has a note on the Square D HU361 re-rating that 
happened some time ago, making it a good disconnect for up to 9 
strings.  SMA also offers a DC disconnect/fused combiner for when  you 
exceed the parameters outlined in the fuse white paper (Combi switch).

This should give you something to ponder.  Write back if you have further 
questions.

William Miller



At 07:38 PM 8/15/2006, you wrote:

>Thanks for the replies.
>
>I'm looking at these for a grid tie application.  Pardon this possibly 
>dumb question but just how do you use these with a string inverter?  
>Most string inverters that I've seen only afford two strings.  So that 
>means a combiner box upstream of the inverter, right?  Any suggestions 
>would be appreciated.
>
>Best,
>Travis Creswell
>Ozark Energy Services
>www.ozarkenergyservices.com
>
>-----Original Message-----
>From: Brian Teitelbaum [mailto:brian at aeesolar.com]
>Sent: Tuesday, August 15, 2006 11:28 AM
>To: RE-wrenches at topica.com
>Subject: RE: Kaneka GSA? [RE-wrenches]
>
>
>Travis,
>
>The series fuse size on the Kaneka GSA-060 is 7A.
>
>Here's a link to the spec sheet:
>
>http://www.pv.kaneka.co.jp/products/index.html
>
>Brian Teitelbaum
>AEE Solar
>
>
>
>-----Original Message-----
>From: Travis Creswell, Ozark Solar [mailto:ozsolar at ipa.net]
>Sent: Monday, August 14, 2006 4:17 PM
>To: RE-wrenches at topica.com
>Subject: Kaneka GSA? [RE-wrenches]
>
>
>
>Can someone tell me what the "series fuse" rating of the Kaneka 60 watt 
>module is?
>
>Any comments on this module would be welcome.
>
>Thanks in advance,
>
>Travis Creswell
>Ozark Energy Services
>www.ozarkenergyservices.com
>
>
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