Fundamental considerations of power limits of transmission systems

P. H. Thomas: The paper by Doherty and Dewey emphasizes even more than those of previous date the part played by the terminal apparatus in stability of operation. Of course, it matters not what the electrical equations show as to the theoretical capacity of a long line if when terminal apparatus be applied to supply power and receive load the combination is unstable to operate, as might easily be the case with loads anywhere nearly approaching the theoretical capacity of the line should the usual present designs of synchronous apparatus be used.