2 ms·

Fun examples have been old telegraph operators having their lines work without power connected. As for recent things I didn't even know long range DC still exi

by lithos 9y ago

Fun examples have been old telegraph operators having their lines work without power connected. As for recent things I didn't even know long range DC still existed.

Animats 9y ago
HVDC transmission is huge in China. Cheap hydroelectric capacity is in the northwestern part of the country, and the big loads are near the east coast. So there are thousand-mile million-volt DC transmission links.
bsder 9y ago
High-voltage DC is becoming more popular, not less. The technical advance has been the efficiency of high-voltage semiconductors.