A Modern and Open Real-Time Digital Simulator of Contemporary Power Systems

This paper describes a versatile, multi-domain, real-time digital simulator of large power grids. Its capability to conduct multiple tests for protection coordination studies is described. A large grid model built using the EMTP-RV software and simulated in real-time using the eMEGAsim real-time digital simulator and EMTP-RT software tool is described. Comparisons between off-line and real-time simulations with different solvers are made using superimposed steady-state and fault condition waveforms. A multiple random tests application for protection coordination studies using eMEGAsim simulator's built-in software TestDrive GUI and Python API scripting tool is described. The paper concludes with a discussion on the off-line, real-time and acceleration modes of simulation of the PC-based eMEGAsim simulator and its advantages for studies of modern power systems.

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