Development of Power System Reliability Analysis Program in Consideration of System Operation

Abstract

This paper describes a new program which analyzes reliability of composite power systems taking power system operational aspects into consideration. It uses sequential Monte Carlo method and calculates annual risk indices for each load point. The program deals with the system problems involved in load flow, voltage, frequency and small signal stability if necessary. The feature of the program is consideration of power system operation in chorological manner such as generation dispatch and system restoration after equipment faults. This allows the evaluation of both power system planning and operation from reliability point of view. Several new methods to reduce calculation time are developed and implemented including the concurrent LP/load flow method which improves the solvability. © 2004, The Institute of Electrical Engineers of Japan. All rights reserved.