>The efficiency of high voltage AC power lines is limited by capacitive coupling to ground.
As often in engineering, the sweet spot is where multiple factors have ~equal contributions, so even a 50% win in one of the factors can't give you that much benefit.
For high voltage AC power lines it's Ohmic losses, corona discharge losses, and inductive losses.
As often in engineering, the sweet spot is where multiple factors have ~equal contributions, so even a 50% win in one of the factors can't give you that much benefit.
For high voltage AC power lines it's Ohmic losses, corona discharge losses, and inductive losses.