[Elecraft] KPA-500 with Portable Generator

[Jack Brindle]

While it isn’t troubled by investors, it also rather likes inverters…
Sorry, I got spell-corrected…

73!
Jack, W6FB


> On Mar 7, 2019, at 7:30 PM, Jack Brindle via Elecraft <elecraft at mailman.qth.net> wrote:
> 
> The KPA500 does quite well with generators, especially the Honda family. These days it is the amplifier of choice for many DXpeditions who’s only power is provided by generators.
> 
> Since the KPA500 has a linear supply, it is not troubled as much by modified sine wave generators and investors as those using a switching supply.
> 
> 73!
> Jack, W6FB
> 
> 
>> On Mar 7, 2019, at 5:58 PM, Mark Forsyth <vk3zmf at outlook.com> wrote:
>> 
>> 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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