Re: [pvusers] Powerstar inverters and reliability

["Bob Herman" <rherman@fone.net>]

I've been using a Powerstar since 1995. It has failed a couple of times in
seven years; both times due to operator error (wet environment and lack of
lightning protection). It was repaired free during the warranty period. I
have nothing bad to say about this unit.
Bob Herman


> I built my own PV system and used a PowerStar 1300 watt inverter. It ran
> everything fine (a little buzz in the ceiling fan) for 17 months then
> failed. It is being repaired as I write.
> When it did fail it took out a couple of AC adapters that run the phone
and
> my kids stereo.
> Does anyone have experience with the PowerStar? Is 17 months the average
> reliability? Do inverter failures usually harm downstream equipment? What
> can be done to protect against same?
> With good operating experience from a modified sine wave inverter, I am
not
> convinced that the pure sine wave is worth the money. Would like to hear
> thoughts on that.
> Also, who makes a reliable modified sine wave inverter.
> Thanks to all.
>
>
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