A STUDY OF WIDEBAND PULSE INTERACTIONS ON A LARGE SYSTEM USING THE MODULAR JUNCTION TOPOLOGICAL APPROACH

摘要

The effects of wideband high power pulses on the electrical components of an electrical have been studied through experiments and simulation. A numerical scheme based on the modular scattering junction concept that combines several EMT computational steps into a single EMT simulation is proposed. This scheme involves the simultaneous usage of a number of analytical and computational methods, including the transmission-line matrix compaction, the finite-difference time-domain, and reciprocity theorem. The method allows for sub-structural modifications without having to repeat calculations for the entire system. The numerical results generated by this proposed scheme have been validated through experimental results. The EMT-based calculations and the measured currents on the cable behind a slot aperture showed good agreement with each other, thus showing the accuracy of the proposed scheme. The proposed scheme is modular in nature and allows for the addition of more modules later in the simulation cycle without having to repeat the whole simulation calculation each time the network configuration changes slightly.