[RE-wrenches] low cost DAS systems

[Michael Welch]

If folks want top-notch stuff, try Draker Labs

http://www.drakerlabs.com/products/green-technologies

Peter Parrish wrote at 12:16 PM 4/13/2010:
 
>I am joining this thread a little late, so I may have missed a bifurcation
>into a related area. 
>
>We have need for a DAS system that does the following:
>
>(1) Monitors inverter output, including some bigger commercial sized
>inverters from Satcon and SMA (100 kW to 500 kW)
>(2) Monitors utility input at service panel
>(2) Monitors several loads (up to five) via the service panel
>(3) Irradiance and temperature would be great but not absolutely necessary
>(4) Some sort of alarm system that would trigger at a programmable kW
>threshold for the utility input.
>
>What we are trying to do is monitor not only the PV system but the utility
>demand and key loads as well, and to come up with a strategy for shedding
>load to keep the demand below a certain amount.
>
>I know this is a fairly tough spec, and we may have to do some customization
>and/or programming to get what we want.
>
>- Peter
>
>                                                     
>Peter T. Parrish, Ph.D., President
>California Solar Engineering, Inc.
>820 Cynthia Ave., Los Angeles, CA 90065
>CA Lic. 854779, NABCEP Cert. 031806-26
>peter.parrish at calsolareng.com  
>Ph 323-258-8883, Mobile 323-839-6108, Fax 323-258-8885
>
> 
>
>-----Original Message-----
>From: re-wrenches-bounces at lists.re-wrenches.org
>[mailto:re-wrenches-bounces at lists.re-wrenches.org] On Behalf Of Jeff Irish
>Sent: Monday, April 12, 2010 12:37 PM
>To: RE-wrenches
>Subject: Re: [RE-wrenches] low cost DAS systems
>
>The Locus system is less than $1,000 for single phase.
>Jeff
>
>-----Original Message-----
>From: re-wrenches-bounces at lists.re-wrenches.org
>[mailto:re-wrenches-bounces at lists.re-wrenches.org] On Behalf Of
>wlbryce at pineridgeproducts.com
>Sent: Monday, April 12, 2010 2:50 PM
>To: RE-wrenches
>Subject: Re: [RE-wrenches] low cost DAS systems
>
>
>I think the big this here is Low cost? Maybe we should define the price
>range so we can get a better fell of the product range?
>
>
>Logan
>
>
>> Chris,
>>
>>
>>
>> Locus Energy has a low cost, revenue grade system that will work with
>> all inverters.  We have several dozen deployed and they're working
>well.
>> Customer needs to have a high speed internet connection.
>>
>>
>>
>> www.locusenergy.com <http://www.locusenergy.com/>
>>
>>
>>
>> I've tried the TED and found it to be more of a toy than a serious
>> contractor product, although it may meet some user's needs.  The Locus
>> system is more accurate and robust, with much greater data storage.
>>
>>
>>
>> Jeff Irish
>>
>> Hudson Valley Clean Energy
>>
>>
>>
>>
>>
>> ________________________________
>>
>> From: re-wrenches-bounces at lists.re-wrenches.org
>> [mailto:re-wrenches-bounces at lists.re-wrenches.org] On Behalf Of Marco
>> Mangelsdorf
>> Sent: Monday, April 12, 2010 1:12 PM
>> To: chris at solarandwindfx.com; 'RE-wrenches'
>> Subject: Re: [RE-wrenches] low cost DAS systems
>>
>>
>>
>> Chris,
>>
>>
>>
>> I've had one of my guys research this same question a while ago and
>the
>> conclusion was the as far as low-cost DAS systems, Fat Spaniel was the
>> big winner, as in under $1,000 which includes a year's worth of
>> monitoring.
>>
>>
>>
>> Cheers,
>>
>> marco
>>
>>
>>
>> Good Day Wrenches,
>>
>>             I'm looking for suggestions for a low cost DAS system for
>> home/small commercial use. It just seems to be such a useful basic
>tool
>> to verify performance other than just the Kwh meter. I'd like to add
>> this to all of our clients quotes and projects. Looking for the basics
>> like module temperature and irradiance and it would be nice if it
>would
>> tie into the existing inverters DAS like an Enphase, Fronius or SMA to
>> name a few since they already have inverter and PV in/output
>> information. Or is Fat Spaniel and Helitronics my only options
>> otherwise? Thanks for the help ahead of time.
>>
>>
>>
>> Christopher
>>
>>
>>
>>                            Chris Schaefer's
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> WHERE KNOWLEDGE EQUALS POWER INDEPENDENCE
>>
>>
>>
>>
>> Specializing in Off-Grid Electricity for Remote Homes
>>
>> Grid-Tied Power for Residential and Commercial Sites
>>
>>
>>
>> Tel 585-229-2083 ~ Cell 585-748-1870
>>
>> 5115 South Hill Road
>>
>> Canandaigua New York 14424
>>
>> www.solarandwindfx.com <http://www.solarandwindfx.com/>  ~
>> chris at solarandwindfx.com
>>
>>
>>
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