Remote Metering / Data - Logging [RE-wrenches]

Hugh Piggott hugh at scoraigwind.co.uk
Wed Jul 9 13:32:26 PDT 2008


<x-flowed>



>
>Quite understandably, the biggest problems we encounter relate to 
>the early demise of the battery banks.  But, without good 
>monitoring, it becomes a guessing game as to the core reason. 
>Generally, the reasons, in order of likelihood are (a) facility 
>using more load than agreed to, (b) generator not being run long 
>enough on hybrid systems, or something broken on the generator that 
>we don't find out about, and (c) faults in the PV / charge 
>controller system.
>
>
>
>Our metering will need to allow us to differentiate between these causes.
>
>

If you monitor battery voltage using a very cheap USB logger then you 
can identify and observe solar and generator input via voltage 
history.

http://www.testequipmentdepot.com/lascar/dataloggers/elusb3.htm

It's very interesting data to look at.  And cheap.  I suppose it 
depends on the size and cost of the system.

-- 
Hugh Piggott

Scoraig Wind Electric

http://www.scoraigwind.co.uk
--
[Non-text portions of this message have been removed]


- - - -
Hosted by Home Power magazine

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/

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

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>



More information about the RE-wrenches mailing list