High Voltage DC. http://en.wikipedia.org/wiki/High-voltage_direct_current It seems to be a somewhat solved problem, and is being installed rapidly. Thanks, Lars Osborne On Mon, Mar 16, 2015 at 6:45 PM, David Weinshenker <daze39@xxxxxxxxxxxxx> wrote: > Bill Claybaugh wrote: > > > Ultimately, connecting the future Arab, European, and North American > grids > > will provide more than sufficient supply for the small nighttime load. > > That sounds like it might not be too realistic, with respect to the actual > characteristics of power transmission systems... > > How would you implement such an interconnection (of e.g. Europe and North > America)? How would you transfer power across the ocean? To which of the > three North American grids would this transoceanic power line be connected? > How would power flow from this point of interconnection to (and across) the > other two grids? How would you handle the issue of synchronizing 50Hz > European > power with 60Hz North American power? > > What advances will this require with respect to the present state of the > art and practice of power transmission technology, the present state of > the continental grid infrastructure, or the present state of the economics > and politics of bulk power transmission system construction? > > -dave w > > >