Does anyone have any figures for production of harmonics in power lines due to charging electric vehicles and specifically the Tesla? I'm thinking that there is essentially a high current SMPS involved but when charging off a 240v supply the neutral conductor should have little to no current. But that's the trick. Similarly if you are charging off 120v @ 15A the neutral must be involved. Unlike a computer where only a small portion of the power capacity is being used, the EV will want to use nearly all the power capacity.
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I can't say too much in answer to your question... over my head!
What I do know is that there is no neutral connection on the 240v charger; only the two hot legs.
What I do know is that there is no neutral connection on the 240v charger; only the two hot legs.
The type of load matters. The supply essentially sees high power rectifier circuitry and not a motor with much non-resistive load. To be sure you should probably make a measurement.
P.S. In Europe the load is always from phase to neutral, usually L1 (around 230V).
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