Discussion on “transmission line relay protection — II”

E. R. Stauffacher: The nomenclature and classification of various relays and the acceptance of this nomenclature by the Standards Committee of the A. I. E. E. is a distinct step forward. Relays are assuming more and more importance in their application to central station systems, not only where the load is largely concentrated, but where it is spread over a large territory covering, for example, one-half of a large state. In both cases it is quite necessary that the defective section of such a system be localized, even though in some cases it may take a couple of days for a patrolman to go over the line which is in trouble. The big job is to drop the defective section as soon as possible before it upsets the remainder of the system.