Which voltage and frequency would be selected if there were no legacy issues?

Which voltage and frequency would be selected if there were no legacy issues?

I can easily find how selection of electricity frequency and voltage was based on backward compatibility and quite arbitrary choices. I'm impressed by the Japanese who are able to keep two frequencies in one country. The question relates to an early 21st technology level and what would be the most logical right now.

This is the relevant information that I found:

The US military uses 400 Hz, as it allows smaller rotors, but it would be hard to use that on much bigger scales as transmission losses would go up.

There seem to be quite few electrocution deaths and quite serious transmission losses in low voltage systems, so there might be a tendency to increase voltage to save energy. Would it be worthwhile? Would just converting voltage before delivering it to household be efficient enough?

(Please, no Tesla, no war of currents... I would not like to see Americans having their holy war here...)

posted over 8 years ago

Shadow1024‭

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