Generators: Inverter or Standard

[ZSC100]

Hopefully, your EVSE and the Lightnings have good filtering to protect from THD issues.

THD of pretty much any amount that you can encounter with the shittiest generator you can find is not a problem for the on board charger (or any EVSE I've tested with). The first stage of power electronics in an EV's on board charger is a full wave bridge rectifier and a massive bank of capacitors. It doesn't care about THD. It doesn't even care if it's AC.

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[Muffin_Man]

Appreciate all the input on this topic, I've learned a lot - key being low THD. What started this was my current genset giving me issues while charging the UPS at my computer desk. Last winter (before I got my lightning) we lost power for a week during an ice storm and the UPS at my computer desk would not charge consistently on the gen. I figured if the power is that lousy coming out of it then I should look into getting another that has cleaner power as well as more capacity to charge the truck at a full 11KW. The specs on the unit I have currently are pretty dismal, less than 23% if I'm reading this correctly; https://westinghouse.com/products/wgen9500df-generator-dual-fuel