3 ms·
Very close? There's no way you're losing anywhere near 2kW (7% loss in a 30kW charger) to cables and connectors.
by Gracana 9y ago
Very close? There's no way you're losing anywhere near 2kW (7% loss in a 30kW charger) to cables and connectors.
- jbms 9y agoIt's in the power conversion. Go educate yourself on the efficiency of power supplies: https://www.extremetech.com/extreme/143029-empowered-can-high-efficiency-power-supplies-cut-your-electricity-bill https://www.extremetech.com/extreme/143029-empowered-can-hig... Over 90% is amazing.
- Retric 9y ago~5+% in AC > DC is not that uncommon. Which is why wall warts get hot. But yea if this is just about replacing cables then that's poor. PS: I do wonder about efficiency limits because transformers are effectively wireless power just at cm range.