Inter-area real-time data exchange to improve static security analysis

This paper investigates the impact of real-time data exchange between neighboring areas in an interconnected power system. It illustrates that accuracy of the internal state estimation as well as the subsequent contingency analysis will improve when a limited set of real-time data is optimally identified and made available from the external system. Selection of this set is accomplished by formulating and solving the problem as a mixed integer programming problem. The results are validated by simulating various scenarios using the IEEE 118 bus system as the test system.