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This work presents the techniques derived for an efficient and accurate latency exploitation of electric networks using time-domain transients simulation software, such as the "electromagnetic transients program" (EMTP). Latency exploitation is related to the capability of numerically solving the differential equations governing the behavior of electric networks with different integration steps. With this approach, the limitations of a single fixed size integration step, as required by EMTP-type programs, can be overcome, resulting in a decreased number of numerical operations for a given total simulation time. Using a network partitioning and recombination technique, latency exploitation is achieved using noniterative solutions. Results are shown for networks consisting exclusively of lumped elements and networks with transmission lines and are compared with those obtained from conventional EMTP simulations.
Date of Publication: Feb. 2005