Web-based PV Monitoring System [RE-wrenches]

[Joel Davidson]

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Hello Jason,
We also use a 4-channel Brand monitoring system on my system and look 
forward to seeing what you have once it is on line. Say Hi to Ethan for me.
Best regards,
Joel Davidson

----- Original Message ----- 
From: "Jason Lerner" <wapalco at gmail.com>
To: <RE-wrenches at topica.com>
Sent: Tuesday, February 21, 2006 10:21 AM
Subject: Re: Web-based PV Monitoring System [RE-wrenches]


> Hello,
> We have been working with Ethan Brand to make a monitoring system  that 
> data logs,  and is available on the Internet.  It uses his basic  "One 
> Meter" and then adds the Internet aspect.  It uses shunts or  donut 
> transducers for AC or DC measurements and is very flexible with  adding 
> loads to be measured. We are measuring 4 AC channels, 4 DC  channels, wind 
> speed/direction and % full on a  Hydrogen tank.  It  can be used with any 
> equipment.  Each shunt has a Cat 5 cable that  plugs into it,  with the 
> other end going to a "base station".  The  "base Station"  then plugs into 
> the digital faceplate that also plugs  into the internet.  Our site is 
> remote and off grid the Shunts are  all in,  it just passed inspection and 
> we should have it online with   Direcway in two months or so.  Ethan has 
> about 6 of these meters out  there,  and since we have been the guinea pig 
> with four revisions  already, He is excited to get this product out there.
> Brand Electronics  207 549 3401  info at brandelectronics
>
> Jason Lerner
> Waldron Power and Light Co.
>
> On Feb 20, 2006, at 5:56 PM, Peter Parrish wrote:
>
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>>
>> I am looking for a system that will allow the monitoring of small  to 
>> medium
>> sized grid-tied PV systems (one to three inverters). I would like  to be 
>> able
>> to interface with standard inverters (e.g. SMA, Xantrex GT series,  etc.) 
>> to
>> a home network via Ethernet and do one of two things: (1) allow the 
>> customer
>> to monitor their system's real time performance and a daily energy
>> production log via a simple browser interface from a computer on  the 
>> same
>> net, and (2) a URL that could be accessed in principle from  anywhere on 
>> the
>> internet (perhaps login protected) to allow contractors and public 
>> agencies
>> to view the same data.
>>
>>
>>
>> I looked briefly at Fat Spaniel about 18 months ago and it seemed  pricey 
>> at
>> the time, and in any event I haven't looked at their product(s) 
>> recently.
>> Before I did, I hoped that some wrenches with similar requirements  had 
>> found
>> a satisfactory solution.
>>
>>
>>
>> Peter Parrish
>>
>> California Solar Engineering, Inc.
>>
>> Los Angeles, CA
>>
>>
>> [Non-text portions of this message have been removed]
>>
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> 



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