kWh Metering [RE-wrenches]

Darryl Thayer daryl_solar at yahoo.com
Fri Jan 4 11:37:03 PST 2008



HI William, and others
I am confused, what you describe has no value in
metrering any thing except simple loads.  But what you
want is either net metering or one way metering (a
ratching meter) for use with solar.  Lets hope the
5000 has these features.
Darryl

--- William Miller <wrmiller at charter.net> wrote:

> 
> 
> Friends:
> 
> I ordered several TEDs and installed one at my home.
>  I had to send most of 
> them back as they did not provide accurate
> information.  The current 
> sensors can not differentiate between current
> flowing in or current flowing 
> out.  During the day, when I am selling to the grid,
> the TED thinks I am 
> buying.  This skews the running total and negates
> many of the benefits of 
> this device.
> 
> Since I am-- and most people are-- feeding back
> through a breaker on the 
> bus, there is no location to install the current
> sensors that will isolate 
> the consumption feed.  The good news is the TED 5000
> is supposed to come 
> out this month and it will purportedly resolve this
> issue.  There is no 
> mention of the TED5000 in the on-line store.  From
> the TED FAQ:
> 
> Q. I have a Photovoltaic System and I send power
> back to the grid. Does TED 
> perform net metering?  A. No. TED1000 does not
> perform net metering. 
> TED5000 will perform net metering.
> 
> Installation was also problematic:  In a standard
> flush mount 
> meter/main/combo there is not enough room in the
> customer side to install 
> the current sensors.  I opened the utility side and
> put the sensors on the 
> underground feeders, but if I get caught I will have
> to remove them.  I 
> would not do this for a customer.
> 
> Additionally, two of my TEDs came without firmware,
> requiring an 
> exchange.  The company was prompt and apologetic in
> making the exchange.
> 
> In summary:  The TED interface is great and I kept
> one to monitor night 
> time loads.  The physical product is well made.  I
> hope the new model 
> solves the issue described above.  If so, I want one
> for my home and I will 
> offer them to customers.
> 
> William Miller
> 
> 
> At 06:33 AM 1/4/2008, you wrote:
> 
> >http://www.theenergydetective.com/index.html might
> be just the ticket.
> >Cheap and easy to install.  We've used a qty of
> these and are really
> >impressed with them.  The only trouble I've had is
> at my own house where the
> >local COOP uses a remote meter reading system
> (Turtle?) and the read pulse
> >caused mine fits.  They claim to have resolved this
> issue with new models.
> 
> --
> [Non-text portions of this message have been
> removed]
> 
> 
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> 
> 



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