Inverter Load Analysis [RE-wrenches]

[Jon Hill, Sierra Solar Systems]

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>
>Thanks for your responses. I probably will just keep the numbers 
>I've been using. 88% battery(includes day use), 92% inverter (a bit 
>optimistic), and add the inverter no load draw to bring reality back 
>to inverter usage. Just every time I start putting a quote together 
>for an off grid customer, the panels necessary and batteries 
>required drives the cost out of reach of other wise willing 
>customers. It must really be tough for you wrenches working in 
>places with less sun!
>
>
>>Ray Walters
>>ray at solarray.com
>>President, SolarRay, Inc.
>>NABCEP Certified Solar PV Installer
>>BS Mechanical Engineering, UT Austin 88
>>Returned US Peace Corps Volunteer
>>
>Ray-

To keep costs reasonable, I usually size systems for summer 
conditions. When it's less sunny, they can supplement with the genny 
until they can afford more modules. customers tend to use a lot less 
power when the option is the generator.
-- 
Jonathan Hill, solar applications engineer

Sierra Solar Systems
563C Idaho Maryland Road
Grass Valley, CA 95945
tech info and foreign orders:  (530) 273-6754
order line: (888) ON-SOLAR (US only)   FAX:  (530) 273-1760
e-mail:  <mailto:solarjon at sierrasolar.com>
world wide web:  <http://www.sierrasolar.com>

Because of the high volume of e-mail to which I respond, please
leave _all_ of the previous message (unless it's unbearable) in
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