[RE-wrenches] AC house monitoring

Chris Worcester chris at solarwindworks.com
Sun Dec 13 12:02:05 PST 2015


Hi All,

I am just setting up our first Enphase S280 system with the new Envoy S series Standard or basic model PV monitor. The advanced Envoy S boasts;

Envoy-S, Metered

Enphase® Envoy-S communications gateway with integrated revenue grade PV production

metering (ANSI C12.20 +/- 0.5%) and optional consumption monitoring (+/- 2.5%).

And there is this split core current transformer option to monitor the consumption with;

Consumption Monitoring CT

For use with XAM1-120, split-core current transformers enable whole home consumption

metering (+/- 2.5%).

 

I don’t have a  use for this yet but I thought others might.

 

Chris Worcester

Solar Wind Works

NABCEP Certified PV Installer

Office 530-582-4503

Cell 530-448-9692

Fax 530-582-4603

www.solarwindworks.com

chris at solarwindworks.com

 

From: RE-wrenches [mailto:re-wrenches-bounces at lists.re-wrenches.org] On Behalf Of Drake
Sent: Sunday, December 13, 2015 9:08 AM
To: RE-wrenches
Subject: Re: [RE-wrenches] AC house monitoring

 

For a less expensive option that is accurate enough to get the basic idea of energy flows, there is the ENVI PowerSave home energy monitor: WWW.powersave.us <http://www.powersave.us/> , 

At 10:38 AM 12/12/2015, you wrote:



I use the egauge a lot. Although it is not circuit specific, you can tell from the profiles what is taking power. You have 12 inputs so you can use it on 12 circuits instead of just the overall service.
If you buy 50A CTs they are pretty cheap.
The Homeplug adapter makes getting the data to the internet very easy.
I don't think you will find anything cheaper and easier. 
I have a spare unit I keep as a site assessment tool. Even though we have a Fluke 435 Energy Analyzer, the egauge is better for longer period assessments.
Also, you can cascade them so if you have two panels in different locations you can use one as an input to the other. 

On Fri, Dec 11, 2015 at 9:17 PM, jay <jay.peltz at gmail.com> wrote:

HI All.

I’ve been getting a bunch of requests for better monitoring of AC circuits, and I want to be able to understand some peoples loads better as well.

This is for a full house 120v  and  240v

And

individual circuits.

I don’t need revenue grade.

But looking for something that is easy to use, maybe blue tooth app, or digital display with memory ( day/week/month would be good)

Could be internet connected but not a priority.

I’ve seen some for $40-80.

There are so many out there I figure someone/s have got some fav’s.

thanks

jay

peltz power

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-- 
Chris Mason
NABCEP Certified Solar PV Installer™
Solar Design Engineer
Generac Generators Industrial technician

www.cometsolar.com <http://www.cometenergysystems.com> 
264.235.5670
869.662.5670
Skype: netconcepts
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