Data Center Power Distribution System Reliability Analysis Tool based on Monte Carlo Next Event Simulation Method

High reliability is extremely important for uninterruptable power supplies (UPS) such as those used in the modern data centers. It is necessary to comprehensively and precisely evaluate reliability of different UPS system's architectures before constructing the data center. In this paper, a novel reliability analysis and simulation tool for data center power distribution system is proposed. The basic algorithm of this software tool is based on Monte Carlo next event simulation method but novel enhancements are made to make it suitable for large system reliability analysis. Specially, a novel dependent event generator allows the correct modeling of important events such as the battery discharge event and breaker trip event. Moreover, a multi-thread algorithm is developed to significantly increase the calculation speed with high precision. Several typical data center architectures are analyzed with the proposed software tool and their reliability performance are compared.