A 2n+2 State Model for Estimation of the Reliability for Multiple Standby Generators in Emergency Service

Abstract

A mathematical model is developed in this paper for the reliability evaluation of an electrical power supply system utilizing multiple standby generator units. The evaluation includes the availability of standby generator units in the dormant state, the probability of success or failure during the transition from the dormant state to the operating state and the running reliability of the system in the operating state. The state space approach is used in the development of the model. A testing procedure is proposed to establish the running reliability of the standby units. The model can be applied to both the system design and the evaluation of the system reliability during operation.