Inverter meter reliability [RE-wrenches]

[Ian Woofenden, Home Power]

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Hi John,

I'm waiting to see this one become random. The two meters have been 
tracking very closely from the start. Dumb luck? ;-)

Best,

Ian

>Ian,
>
>Agreeing with what other have said here (i.e., inverter meters tend 
>to be somewhat inaccurate, and also biased in the manu's favor):
>
>It's kind of like shooting inaccurately at a target, being off to 
>the left but with a lot of random scatter.  Occasionally, random 
>scatter shots are going to fall very close to target.
>
>John Raynes
>RE Solar
>
>
>At 08:02 AM 5/28/2008 -0700, you wrote:
>
>>I'm surprised to see that a Sunny Boy 4000 that we installed this 
>>spring is tracking the utility's digital production meter very 
>>closely. Yesterday's cumulative reading was 629 on the utility 
>>meter (resolution is whole numbers) and 628.7 on the inverter.
>>
>>Ian
>>
>
>
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-- 
Ian Woofenden <ian.woofenden at homepower.com>, Senior Editor, Home Power magazine
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