Until there is a 15%+ drop in voltage throughout the day which is definitely noticeable.Not sure it's better. Based on your logic a mechanical would be even better because it would give what it had based on the coil that was mounted... Which is what it does.
We are talking about steadiness and vw is as steady as the electronic permits. Vv is Something in between. Not 100% power steady as the resistance might variate during heat up but also not "all power I can deliver" like a mech... So bottom line... They are different.
Regards
Tony
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