Abstract :
This paper tells in general of the reasons for, and the advantages of, interconnection between power supply systems. It enumerates five essential factors which must be considered in successful operation of interconnected systems; namely, (1) dependable communication; (2) centralized authority and control over operations; (3) location and isolation of trouble; (4) voltage regulation and control over the entire system; and (5) frequency control. A description is given of the interconnections along the entire Pacific Coast.
