3000W Chinese Gensets Info.

Thanks for clarifying. Exact same issue I have experienced. Professor95 in this thread says it is not the Voltage Regulator at fault.. may be true... either way, I have found no way to reliably use the 240V outlet to power household appliances safely... same as you! I did call Champion, and they sort of acknowledged the issue too... they kept on talking me into using ONLY the RV30 outlet to power 120V appliances at full 3500W power... *not* the 240/120 outlet.

So, I am looking at the best way to get use RV-30 plug to achieve the same... but without the voltage drop issues that you and I have experienced. I may either build a cord, or replace the RV-30 with an L5-30. Still deciding.

olephart wrote:
I wouldn't attempt to explain why this voltage drop happens cuz I donno. It does happen and the folks at Champion will acknowledge it if ya talk right to em. This is not a Champion issue. All of the generators with this common electrical design do the same thing. Champion says to use 240V only out of the 240V plug to avoid the issue. 240V appliances don't introduce the balance issue.

When I say unbalanced, I mean having more amps being drawn on one of the 120V legs than the other. If ya draw 15A on one leg and 5A on the other, you will see a large drop. If the difference is small, the drop is, too. It wouldn't matter much if the load was light bulbs and stuff with switching power supplies. It could harm refrigeration stuff.

If ya use the 240V for 240V stuff and the full power 120V RV plug for 120V, you have no issues. You can modify an RV cable to feed full power 120V any way you want. I use one to feed my Reliance transfer switch to provide emergency power to the house. Don't even think about using something like this where it can energize a 240V circuit. Blue Smoke!