Reliability analysis of a shipboard electrical power distribution system based on breaker-and-a-half topology

The frequency and duration of service interruptions to equipment loads in an electric ship due to component failures in several shipboard electrical distribution systems are modeled using Markov simulations. A comparison is made between a distribution system based on ring bus topology and several distribution systems based on breaker-and-a-half topology. Systems based on breaker-and-a-half topology are found to be more reliable overall in terms of equipment availability for a given configuration of loads within the distribution system.