Selecting an inverter/battery system [RE-wrenches]
Matt Tritt
solarone at charter.net
Sat Sep 1 12:15:08 PDT 2007
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For off-grid inverters I look for:
Real technicians available in the technical assistance department who
know what they're talking about
Reliability
Real warranty coverage
Surge capacity
Ability to function at high efficiency in high heat
Ease of field repair (board replacement, relay replacement, etc.)
Ease of installation and wiring (weight, size, mounting method)
Flawless generator interaction
Understandable programming and readout (including error causes)
Sinewave = to grid wave form
Expandability without major re-work
Happy customers who don't call you on weekends and holidays with some
major problem that requires a site visit :>(
Good price point
Joel Davidson wrote:
>
> Matt,
> Thanks for the genset selection tips. In addition to the list below,
> what do you look for when selecting an inverter?
> Joel Davidson
>
> ----- Original Message ----- From: "Matt Tritt" <solarone at charter.net>
> To: <RE-wrenches at topica.com>
> Sent: Friday, August 31, 2007 9:17 AM
> Subject: Re: Selecting an inverter/battery system [RE-wrenches]
>
>
>> Joel,
>>
>> The first consideration I have is how long has the comapny been
>> making the gen. in question and how reliable have they been in long
>> term operation.
>>
>> Matt T
>>
>> Joel Davidson wrote:
>>
>>>
>>> An engineer customer recently asked me, "What should I look for when
>>> I shop for an inverter/battery system for either off-grid or on-grid
>>> with a backup generator?" In addition to the obvious
>>> (specifications, features, price) I added:
>>> - warranty and how warranty claims are handled,
>>> - monitoring and das capabilities,
>>> - manufacturer and product track record,
>>> - how many fielded units?
>>> - mtbf,
>>> - quirks and problems,
>>> - genset compatibility,
>>> - weight and how shipped,
>>> - ease in installation and startup,
>>> - completeness - are additional parts needed?
>>> - telephone tech service available.
>>>
>>> What else do you and your technically savvy customers look for?
>>>
>>> Joel Davidson
>>
>
>
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