[RFI] Portable Generator Noise

[Steve Dyer]

Most inexpensive inverter gens are cheap for a reason.
The Honda 2000 series is (still?) one of the few quiet inverters I have 
been around during HF ops and the cost reflects it.
73,
Steve

On 7/16/2022 10:19, David Eckhardt wrote:
> " WEN 56235i Super Quiet 2350-Watt Portable Inverter Generator with Fuel
> Shut Off, CARB Compliant, Ultra Lightweight, Black"
>
> The problem is in this statement.  Your "generator" is not just a
> generator.  It is a "Portable *Inverter* Generator".  Likely, the generator
> by itself is relatively quiet.  But the inverter is a switch mode power
> supply.  ALL SMPSs are RFI sources!  You will find it extremely difficult
> to tame this unit wrt RFI.
>
> Don't stress over "grounding".  It will have minimal to no effect.
>
> Dave - WØLEV
>
> On Sat, Jul 16, 2022 at 5:30 AM Mike Fatchett W0MU <w0mu at w0mu.com> wrote:
>
>> I purchased a small quiet off brand 1900 watt continuous generator with
>> eco mode.  It generates a lot of rfi.  I used it at a POTA activation
>> last weekend and it was tolerable by moving the antenna as far away from
>> the generator as possible.   Putting it under heavier load did not seem
>> to make any difference nor did decreasing the load.
>>
>> There is a ground lug on the unit but the forest service frowns on
>> people pounding in ground rods.  Is there a more portable solution for a
>> ground.  I have my doubts that it would change anything.  I should try
>> hooking it up here at home and find out.
>>
>>
>> WEN 56235i Super Quiet 2350-Watt Portable Inverter Generator with Fuel
>> Shut Off, CARB Compliant, Ultra Lightweight, Black
>>
>>
>> I did have some big clamp ons and I put them on the extension cord and
>> that seemed to help some.  I could only get 2 to 3 turns through the
>> clamp ons and I had two.  Maybe I need far more turns?  I did not the
>> cabling handy to hookup directly to the car battery to see if the
>> extension cord was the radiator or if it was all coming out of the
>> generator.
>>
>> Has anyone had any luck quieting them down?
>>
>> W0MU
>>
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>