[Elecraft] KPA-500 with Portable Generator

[Mark Forsyth]

That'd probably be fine.

The el-cheapo generators I refer to usually specify "modified sine wave" output which when looked at on a CRO looks more like a square wave with slightly rounded corners. Some or even most switch mode power supplies can cope quite badly with a wave form that's more square than sine.


Cheers,
Mark F...
VK3ZMF / VK3KW
KX3 with the lot # 1675
KXPA100 # 530
PX3 # 233



> -----Original Message-----
> From: Bob McGraw K4TAX <rmcgraw at blomand.net>
> Sent: Friday, March 08, 2019 12:35 PM
> To: Mark Forsyth <vk3zmf at outlook.com>
> Subject: Re: [Elecraft] KPA-500 with Portable Generator
> 
> Mark:
> 
> What would be the acceptable distortion limits for good vs. not so good
> inverter generator?   My conventional constant speed generator runs about
> 3% THD.  I recall the AC line from the utility is about the same.
> 
> 73
> 
> Bob, K4TAX
> 
> 
> On 3/7/2019 7:22 PM, Mark Forsyth wrote:
> > If you're thinking of using a generator at the cheaper end of the scale make
> sure that its output is pure sine wave and NOT modified sine wave.
> >
> >
> > Cheers,
> > Mark F...
> > VK3ZMF / VK3KW
> > KX3 with the lot # 1675
> > KXPA100 # 530
> > PX3 # 233
> >
> >
> >
> >> -----Original Message-----
> >> From: elecraft-bounces at mailman.qth.net <elecraft-
> >> bounces at mailman.qth.net> On Behalf Of Raymond Sills via Elecraft
> >> Sent: Friday, March 08, 2019 7:58 AM
> >> To: elecraft at mailman.qth.net
> >> Subject: Re: [Elecraft] KPA-500 with Portable Generator
> >>
> >> Honda generators are usually pretty good.. but nothing is perfect.
> >> Leaking fuel is a big red flag.
> >> There's always that Harbor Freight clone... which ought to do the
> >> job... and presumably is not affected by a fuel leak.
> >> 73 de RayK2ULRKX3 #211
> >>
> >>
> >> -----Original Message-----
> >> From: John Evans <john.evans.n0hj at gmail.com>
> >> To: elecraft <elecraft at mailman.qth.net>
> >> Sent: Thu, Mar 7, 2019 2:44 pm
> >> Subject: Re: [Elecraft] KPA-500 with Portable Generator
> >>
> >> Honda just issued a stop sell order for the 2200 due to some hardware
> issues.
> >>
> >> https://rvdailyreport.com/industry/honda-issues-stop-sell-order-for-
> >> eu2200i-generators/?fbclid=IwAR0e810z_ppbrXdUdY6egI8F-
> >> MvVtSTwZE_cDQq9ILLMEZPUT96P4J8E5_8
> >>
> >>
> >> On Thu, Mar 7, 2019 at 12:29 PM Bob McGraw K4TAX
> >> <rmcgraw at blomand.net>
> >> wrote:
> >>
> >>> The Honda EU2200i will handle the KPA500 quite well and provide
> >>> power for other items.    ...
> >>
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