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Mixing and matching inverter generators in parallel

Posted on 6/4/21 at 12:03 pm
Posted by jlovel7
Louisiana
Member since Aug 2014
21305 posts
Posted on 6/4/21 at 12:03 pm
I have a champion generator I got last year. So far I love it. It’s only 2000 watt but it runs the essentials in my home as of now just fine. I expect down the line I am going to need more capability so I’ll likely run something in parallel.

How much does my second generator need to match my first? Champions website seems to indicate a little bit of flexibility but does anybody have any real world experience? Do I have to just match wattages or can I run a 2000 and a 4000 together?
Posted by Douglas Quaid
Mars
Member since Mar 2010
4097 posts
Posted on 6/4/21 at 12:33 pm to
Output power difference shouldn't matter.

Inverters are supposed to output constant voltage and frequency regardless of engine speed. When paralleling generators those are the two things that need to match.

Make sure your amp rating on the paralleling gear is sufficient.
Posted by JDPndahizzy
JDP
Member since Nov 2013
6415 posts
Posted on 6/4/21 at 1:34 pm to
Can't help you with the hookup but while researching I finally found a tri-fuel portable generator. Been looking for one since I have natural gas at my house. Good luck!
Posted by LSUfootball222
Member since Oct 2009
1148 posts
Posted on 6/4/21 at 2:03 pm to
is your champion generator dual fuel (gasoline and propane)? Been researching these and curious about how well these work and advantages to just pure gasoline
Posted by SpeckledTiger
Denham Springs
Member since Jul 2010
1477 posts
Posted on 6/4/21 at 3:31 pm to
the only real benefit is fuel stability and availability. When considering "fuel cost per watt" propane is not as efficient as gasoline since the power output is reduced by as much as 10%. I suppose if you're only running 1000 watts on a generator capable of 1800 watts, this may not matter much. You also don't have to refuel the generator as often since you'd likely be running it off a 5 gallon propane tank instead of the onboard 1.1 gallon gas tank on these small inverters.
This post was edited on 6/4/21 at 3:33 pm
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