Transmission System Equipment Maintenance: On-line Use of Circuit Breaker Condition Data

This paper defines a frame work of system level maintenance strategy based on probabilistic maintenance models. A concept of ´top-down´ approach, listing various steps in operation and planning affected by maintenance strategy, is introduced. Illustration of these steps in detail is explained in ´bottom-up´ approach with application to circuit breaker. A failure rate estimation model for circuit breaker is proposed using the on-line condition data. A brief discussion of probabilistic maintenance model is presented, followed by problem formulation for system level maintenance strategy.