An automatic-optimization-decoupling-technology-based network partitioning methodology for electromagnetic transient simulation

Network partitioning is widely used in power system simulation to accelerate simulation process. Due to uneven or non-optimize network partitioning and extension of the simulation process caused by manual network partitioning in the past work, an automatic network partitioning methodology based on automatic optimization decoupling technology (AODT) is developed in this study for electromagnetic transient (EMT) simulation in large power networks. The methodology is based on the combination of the long transmission line decoupling algorithm and the node-splitting algorithm, and the number of the subnetworks to be divided can be either specified or unspecified. The methodology will be tested on a real power network using Advanced Digital Power System Simulator (ADPSS).