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Attention Control Freaks

Ice Czar

Ice Czar

Inscrutable
Joined
Jul 8, 2001
Messages
27,174
Building a Home Power Monitoring System

a sneak peak today of what will likely be front page tommorow


control1.gif



control2.JPG


note the cautions ;)


Have you ever wondered how much power that microwave takes to pop that bag of popcorn? What about your toaster or coffee maker? How much power does that 'energy efficient' refrigerator actually use? And does it really make a difference if you turn all those lights off all the time? The problem with wondering about this stuff is there isn't really much you can do to measure it. Sure you can use a meter to measure an individual device here and there, but what does your whole house look like?

About a year ago I was hired to develop a web based power monitoring application for data centers. The application was designed to monitor thousands of individual branch circuits using current transducers at the breaker panels. Among other things, the data logging requirments were to provide one year of min/max/mean measurement data with one minute resolution per circuit. Since I had all the hardware for testing, I figured what better way to test things than to install it in my own home.
Click to expand...
 
I don't know a whole lot about programing, but I think it is illegal to put a low voltage control board in a breaker panel because of the risk of high voltage geting into the low votage signal wire.

(I konw you can't run an a.c. control wire though a panel or in the same conduit as high voltage)

Other than that the wiring looks good and that is a cool project.


Oh and if I am wrong feel free to flame away as I could be wrong (and am a noob to this forum)

Edit: And just noticed I can't sepll
 
u should make sure its legal and then do that as an independant contractor for rich people who care.
 
Id like to do something like that and at first thought the software might be opensource but it appears its not, think you'd need to get it from Trendpoint

and as always research your local regulations and likely have the assistance of a licensed electrician
 
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